Sea weather in Philadelphia in the United States (USA) All the beach weather in Philadelphia

All the essential weather information for enjoying the beach in Philadelphia in the United States (USA), for swimming, tanning or water sports! Our sea weather data is reliable, easy to read and updated every day.

Weather: When should you go to the beach in Philadelphia over the next 7 days?

Discover the best moment to go to the beach in Philadelphia in the United States (USA) this week to enjoy the best weather and calmest sea possible. Our opinion is based on reliable sea weather forecasts in Philadelphia. You can see full forecasts by clicking on the day you want to see in the table below.

Date Outside temp. Our opinion
Sunday 14 December 202518°F to 38°Fnot recommended
Monday 15 December 202518°F to 29°Fnot recommended
Tuesday 16 December 202527°F to 36°Fnot recommended
Wednesday 17 December 202536°F to 43°Fdiscouraged
Thursday 18 December 202534°F to 50°Fdiscouraged
Friday 19 December 202529°F to 54°Fnot recommended
Saturday 20 December 202531°F to 41°Fdiscouraged

Sea Weather: Your daily and hourly sea weather in Philadelphia

Sea weather on Sunday 14 December 2025

On Sunday 14 December 2025, the sun will rise at 07:15 and will set at 16:36 on the beach(es) of Philadelphia. The outside temperature will be a high of 38°F t and a low of 18°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 26.1mph km/h (with gusts up to 36mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)1°C (34°F)-0°C (32°F)-2°C (29°F)-1°C (30°F)-5°C (23°F)-6°C (21°F)-6°C (21°F)
Perceived temperature-1°C (31°F)-3°C (26°F)-7°C (19°F)-9°C (16°F)-9°C (16°F)-14°C (7°F)-15°C (4°F)-16°C (4°F)
Precipitation0in0.1in0.1in0in0in0in0in0in
Humidity82%99%95%78%75%67%68%72%
Barometric pressure1016 hPa1016 hPa1016 hPa1018 hPa1016 hPa1018 hPa1020 hPa1022 hPa
Cloud cover100%100%100%60%80%4%48%56%
Heat index3°C (37°F)1°C (34°F)-0°C (32°F)-2°C (29°F)-1°C (30°F)-5°C (23°F)-6°C (21°F)-6°C (21°F)
Dew point0°C (32°F)1°C (34°F)-1°C (30°F)-5°C (23°F)-5°C (23°F)-10°C (14°F)-11°C (12°F)-10°C (14°F)
Wind
Speed13km/h (8mph)17km/h (10mph)32km/h (20mph)30km/h (19mph)37km/h (23mph)42km/h (26mph)40km/h (25mph)40km/h (25mph)
Gusts19km/h (12mph)24km/h (15mph)43km/h (27mph)38km/h (24mph)48km/h (30mph)44km/h (27mph)58km/h (36mph)53km/h (33mph)
Direction 350°
N
326°
NNW
336°
NNW
320°
NW
327°
NNW
312°
NW
308°
NW
311°
NW
Wind chill-1°C (31°F)-3°C (26°F)-7°C (19°F)-9°C (16°F)-9°C (16°F)-14°C (7°F)-15°C (4°F)-16°C (4°F)
Waves
Height0.4m (1.2ft)0.2m (0.6ft)0.3m (0.9ft)0.6m (1.9ft)0.8m (2.6ft)0.9m (3.0ft)0.9m (3.0ft)0.9m (3.1ft)
Direction 167°
SSE

N
331°
NNW
312°
NW
309°
NW
302°
WNW
299°
WNW
298°
WNW
Period4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height0.2m (0.7ft)0.5m (1.6ft)0.6m (2ft)1.0m (3.3ft)1.5m (4.9ft)1.7m (5.6ft)1.7m (5.6ft)1.8m (5.9ft)
Sea water temperature
Water temperature5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)

Sea weather on Monday 15 December 2025

On Monday 15 December 2025, the sun will rise at 07:15 and will set at 16:36 on the beach(es) of Philadelphia. The outside temperature will be a high of 29°F t and a low of 18°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 24.9mph km/h (with gusts up to 31.7mph). Wave height will be up to 3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-7°C (20°F)-7°C (19°F)-7°C (19°F)-6°C (21°F)-4°C (25°F)-2°C (28°F)-3°C (27°F)-3°C (26°F)
Perceived temperature-16°C (2°F)-17°C (2°F)-16°C (3°F)-14°C (6°F)-11°C (13°F)-9°C (16°F)-9°C (16°F)-8°C (18°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%74%77%77%73%71%74%75%
Barometric pressure1024 hPa1026 hPa1027 hPa1029 hPa1027 hPa1026 hPa1026 hPa1025 hPa
Cloud cover4%0%11%8%63%51%45%20%
Heat index-7°C (20°F)-7°C (19°F)-7°C (19°F)-6°C (21°F)-4°C (25°F)-2°C (28°F)-3°C (27°F)-3°C (26°F)
Dew point-11°C (12°F)-11°C (12°F)-11°C (13°F)-10°C (15°F)-8°C (18°F)-7°C (20°F)-7°C (20°F)-7°C (20°F)
Wind
Speed40km/h (25mph)36km/h (23mph)31km/h (19mph)28km/h (17mph)25km/h (15mph)23km/h (15mph)22km/h (13mph)14km/h (9mph)
Gusts51km/h (32mph)46km/h (29mph)40km/h (25mph)34km/h (21mph)32km/h (20mph)32km/h (20mph)33km/h (20mph)22km/h (13mph)
Direction 313°
NW
320°
NW
319°
NW
301°
WNW
295°
WNW
280°
W
277°
W
249°
WSW
Wind chill-16°C (2°F)-17°C (2°F)-16°C (3°F)-14°C (6°F)-11°C (13°F)-9°C (16°F)-9°C (16°F)-8°C (18°F)
Waves
Height0.9m (3.0ft)0.8m (2.7ft)0.7m (2.3ft)0.6m (2.1ft)0.5m (1.7ft)0.5m (1.7ft)0.5m (1.6ft)0.3m (1.0ft)
Direction 301°
WNW
305°
NW
309°
NW
300°
WNW
292°
WNW
285°
WNW
276°
W
268°
W
Period4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height1.7m (5.6ft)1.5m (4.9ft)1.3m (4.3ft)1.1m (3.6ft)0.9m (3ft)0.9m (3ft)0.8m (2.6ft)0.4m (1.3ft)
Sea water temperature
Water temperature5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)

Sea weather on Tuesday 16 December 2025

On Tuesday 16 December 2025, the sun will rise at 07:16 and will set at 16:37 on the beach(es) of Philadelphia. The outside temperature will be a high of 36°F t and a low of 27°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 11.8mph km/h (with gusts up to 19.3mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature-2°C (28°F)-2°C (29°F)-3°C (27°F)-2°C (29°F)-0°C (32°F)1°C (34°F)1°C (33°F)1°C (34°F)
Perceived temperature-7°C (19°F)-7°C (19°F)-8°C (18°F)-6°C (22°F)-4°C (24°F)-2°C (28°F)-3°C (26°F)-3°C (27°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity70%71%76%66%58%65%70%69%
Barometric pressure1023 hPa1023 hPa1023 hPa1025 hPa1024 hPa1023 hPa1022 hPa1022 hPa
Cloud cover11%9%4%4%4%81%100%3%
Heat index-2°C (28°F)-2°C (29°F)-3°C (27°F)-2°C (29°F)-0°C (32°F)1°C (34°F)1°C (33°F)1°C (34°F)
Dew point-7°C (20°F)-6°C (21°F)-6°C (20°F)-7°C (19°F)-7°C (19°F)-5°C (23°F)-4°C (24°F)-4°C (25°F)
Wind
Speed16km/h (10mph)19km/h (12mph)15km/h (9mph)12km/h (8mph)13km/h (8mph)10km/h (6mph)13km/h (8mph)15km/h (9mph)
Gusts26km/h (16mph)31km/h (19mph)26km/h (16mph)18km/h (11mph)20km/h (13mph)14km/h (9mph)23km/h (14mph)27km/h (17mph)
Direction 213°
SSW
242°
WSW
280°
W
283°
WNW
286°
WNW
253°
WSW
192°
SSW
204°
SSW
Wind chill-7°C (19°F)-7°C (19°F)-8°C (18°F)-6°C (22°F)-4°C (24°F)-2°C (28°F)-3°C (26°F)-3°C (27°F)
Waves
Height0.3m (0.9ft)0.4m (1.3ft)0.3m (1.0ft)0.2m (0.8ft)0.2m (0.6ft)0.1m (0.5ft)0.1m (0.4ft)0.2m (0.7ft)
Direction 235°
SW
249°
WSW
273°
W
293°
WNW
300°
WNW
295°
WNW
269°
W
196°
SSW
Period4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height0.5m (1.6ft)0.7m (2.3ft)0.5m (1.6ft)0.4m (1.3ft)0.4m (1.3ft)0.3m (1ft)0.3m (1ft)0.6m (2ft)
Sea water temperature
Water temperature5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)5°C (41°F)

Sea weather on Wednesday 17 December 2025

On Wednesday 17 December 2025, the sun will rise at 07:17 and will set at 16:37 on the beach(es) of Philadelphia. The outside temperature will be a high of 43°F t and a low of 36°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 14.9mph km/h (with gusts up to 24.9mph). Wave height will be up to 1.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature2°C (36°F)2°C (36°F)2°C (35°F)3°C (37°F)5°C (40°F)6°C (42°F)4°C (40°F)4°C (39°F)
Perceived temperature-3°C (27°F)-3°C (27°F)-3°C (26°F)-2°C (28°F)-0°C (32°F)1°C (35°F)0°C (33°F)0°C (32°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity72%75%75%74%75%76%83%86%
Barometric pressure1020 hPa1019 hPa1017 hPa1017 hPa1015 hPa1015 hPa1018 hPa1020 hPa
Cloud cover18%0%4%7%13%20%96%0%
Heat index2°C (36°F)2°C (36°F)2°C (35°F)3°C (37°F)5°C (40°F)6°C (42°F)4°C (40°F)4°C (39°F)
Dew point-2°C (28°F)-2°C (29°F)-2°C (28°F)-1°C (30°F)0°C (33°F)2°C (35°F)2°C (35°F)2°C (35°F)
Wind
Speed22km/h (13mph)22km/h (14mph)21km/h (13mph)23km/h (15mph)24km/h (15mph)22km/h (14mph)18km/h (11mph)14km/h (9mph)
Gusts39km/h (24mph)38km/h (23mph)34km/h (21mph)34km/h (21mph)40km/h (25mph)27km/h (17mph)23km/h (15mph)30km/h (19mph)
Direction 201°
SSW
212°
SSW
215°
SW
225°
SW
227°
SW
232°
SW
251°
WSW
287°
WNW
Wind chill-3°C (27°F)-3°C (27°F)-3°C (26°F)-2°C (28°F)-0°C (32°F)1°C (35°F)0°C (33°F)0°C (32°F)
Waves
Height0.3m (1.0ft)0.4m (1.3ft)0.4m (1.4ft)0.4m (1.3ft)0.4m (1.4ft)0.4m (1.3ft)0.3m (1.1ft)0.4m (1.4ft)
Direction 196°
SSW
195°
SSW
197°
SSW
205°
SSW
218°
SW
221°
SW
230°
SW
261°
W
Period4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.4.2 sec.
Significant height0.6m (2ft)0.7m (2.3ft)0.7m (2.3ft)0.6m (2ft)0.7m (2.3ft)0.6m (2ft)0.5m (1.6ft)0.8m (2.6ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Thursday 18 December 2025

On Thursday 18 December 2025, the sun will rise at 07:17 and will set at 16:37 on the beach(es) of Philadelphia. The outside temperature will be a high of 50°F t and a low of 34°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 16.8mph km/h (with gusts up to 21.1mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature3°C (37°F)1°C (34°F)1°C (34°F)4°C (40°F)7°C (44°F)7°C (45°F)8°C (46°F)9°C (48°F)
Perceived temperature-1°C (30°F)-1°C (31°F)-2°C (29°F)2°C (36°F)5°C (41°F)4°C (40°F)5°C (40°F)6°C (42°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity88%89%88%84%82%90%92%99%
Barometric pressure1023 hPa1024 hPa1023 hPa1023 hPa1022 hPa1018 hPa1015 hPa1011 hPa
Cloud cover0%11%9%16%45%21%89%100%
Heat index3°C (37°F)1°C (34°F)1°C (34°F)4°C (40°F)7°C (44°F)7°C (45°F)8°C (46°F)9°C (48°F)
Dew point1°C (34°F)-1°C (31°F)-1°C (30°F)2°C (35°F)4°C (39°F)6°C (42°F)6°C (44°F)9°C (48°F)
Wind
Speed13km/h (8mph)6km/h (4mph)8km/h (5mph)8km/h (5mph)10km/h (6mph)16km/h (10mph)19km/h (12mph)27km/h (17mph)
Gusts28km/h (17mph)12km/h (8mph)16km/h (10mph)14km/h (8mph)20km/h (12mph)34km/h (21mph)21km/h (13mph)29km/h (18mph)
Direction 325°
NW
25°
NNE
105°
ESE
127°
SE
150°
SSE
151°
SSE
170°
S
172°
S
Wind chill-1°C (30°F)-1°C (31°F)-2°C (29°F)2°C (36°F)5°C (41°F)4°C (40°F)5°C (40°F)6°C (42°F)
Waves
Height0.4m (1.3ft)0.2m (0.8ft)0.1m (0.4ft)0.1m (0.4ft)0.2m (0.6ft)0.4m (1.4ft)0.6m (2.0ft)0.7m (2.2ft)
Direction 290°
WNW
304°
NW
313°
NW
88°
E
116°
ESE
141°
SE
155°
SSE
164°
SSE
Period6.4 sec.6.3 sec.2.4 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.2.3 sec.
Significant height0.7m (2.3ft)0.4m (1.3ft)0.1m (0.3ft)0.4m (1.3ft)0.4m (1.3ft)0.8m (2.6ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)3°C (37°F)

Sea weather on Friday 19 December 2025

On Friday 19 December 2025, the sun will rise at 07:18 and will set at 16:38 on the beach(es) of Philadelphia. The outside temperature will be a high of 54°F t and a low of 29°F. Precipitation is in the forecast (0.1in throughout the day): choose the right time to go to the beach and dodge the raindrops. Be careful, the sea will be generally rough with a wind speed of up to 27.3mph km/h (with gusts up to 30.5mph). Wave height will be up to 3.6ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature11°C (51°F)11°C (52°F)12°C (54°F)7°C (45°F)7°C (44°F)4°C (40°F)-0°C (32°F)-0°C (31°F)
Perceived temperature8°C (46°F)8°C (46°F)9°C (48°F)2°C (36°F)1°C (35°F)-1°C (29°F)-7°C (19°F)-7°C (19°F)
Precipitation0in0in0.1in0in0in0in0in0in
Humidity96%96%95%80%68%64%65%65%
Barometric pressure1008 hPa1004 hPa998 hPa1006 hPa1009 hPa1012 hPa1017 hPa1021 hPa
Cloud cover100%100%100%22%5%5%1%7%
Heat index11°C (51°F)11°C (52°F)12°C (54°F)7°C (45°F)7°C (44°F)4°C (40°F)-0°C (32°F)-0°C (31°F)
Dew point10°C (50°F)10°C (51°F)11°C (53°F)4°C (39°F)1°C (34°F)-2°C (29°F)-6°C (21°F)-6°C (21°F)
Wind
Speed31km/h (19mph)32km/h (20mph)44km/h (28mph)38km/h (23mph)41km/h (26mph)39km/h (24mph)35km/h (22mph)33km/h (20mph)
Gusts33km/h (21mph)36km/h (23mph)49km/h (30mph)43km/h (27mph)47km/h (29mph)45km/h (28mph)38km/h (24mph)43km/h (27mph)
Direction 189°
S
192°
SSW
204°
SSW
287°
WNW
284°
WNW
287°
WNW
299°
WNW
301°
WNW
Wind chill8°C (46°F)8°C (46°F)9°C (48°F)2°C (36°F)1°C (35°F)-1°C (29°F)-7°C (19°F)-7°C (19°F)
Waves
Height0.8m (2.7ft)1.1m (3.5ft)0.9m (2.8ft)0.6m (2.0ft)0.8m (2.6ft)1.0m (3.3ft)0.9m (3.0ft)0.8m (2.6ft)
Direction 170°
S
174°
S
222°
SW
260°
W
273°
W
282°
WNW
285°
WNW
284°
WNW
Period2.3 sec.2.3 sec.3.9 sec.7.1 sec.8.7 sec.8.9 sec.9.0 sec.9.0 sec.
Significant height1.3m (4.3ft)1.9m (6.2ft)1.3m (4.3ft)1.1m (3.6ft)1.6m (5.2ft)1.8m (5.9ft)1.7m (5.6ft)1.4m (4.6ft)
Sea water temperature
Water temperature5°C (41°F)5°C (41°F)5°C (41°F)5°C (40°F)5°C (40°F)5°C (40°F)5°C (40°F)5°C (40°F)

Sea weather on Saturday 20 December 2025

On Saturday 20 December 2025, the sun will rise at 07:19 and will set at 16:38 on the beach(es) of Philadelphia. The outside temperature will be a high of 41°F t and a low of 31°F. There will be little to no precipitation today, so unless you go swimming, you can enjoy the beach and stay dry! The sea will be generally calm, with a wind speed of up to 18.6mph km/h (with gusts up to 26.7mph). Wave height will be up to 2.3ft today.

0:003:006:009:0012:0015:0018:0021:00
Weather
Sky condition
Outside temperature0°C (32°F)-0°C (31°F)-1°C (31°F)0°C (32°F)1°C (33°F)1°C (34°F)1°C (34°F)4°C (38°F)
Perceived temperature-6°C (21°F)-6°C (21°F)-5°C (24°F)-2°C (28°F)-2°C (28°F)-3°C (26°F)-4°C (25°F)-2°C (29°F)
Precipitation0in0in0in0in0in0in0in0in
Humidity66%65%63%56%54%60%67%75%
Barometric pressure1024 hPa1025 hPa1027 hPa1028 hPa1028 hPa1026 hPa1025 hPa1023 hPa
Cloud cover6%12%16%21%13%8%5%3%
Heat index0°C (32°F)-0°C (31°F)-1°C (31°F)0°C (32°F)1°C (33°F)1°C (34°F)1°C (34°F)4°C (38°F)
Dew point-5°C (22°F)-6°C (21°F)-7°C (20°F)-8°C (18°F)-8°C (18°F)-6°C (21°F)-4°C (24°F)-1°C (31°F)
Wind
Speed30km/h (19mph)24km/h (15mph)13km/h (8mph)6km/h (4mph)9km/h (5mph)16km/h (10mph)23km/h (14mph)27km/h (17mph)
Gusts43km/h (27mph)33km/h (20mph)18km/h (11mph)9km/h (6mph)13km/h (8mph)28km/h (17mph)31km/h (19mph)31km/h (19mph)
Direction 307°
NW
320°
NW
320°
NW
308°
NW
215°
SW
156°
SSE
169°
SSE
178°
S
Wind chill-6°C (21°F)-6°C (21°F)-5°C (24°F)-2°C (28°F)-2°C (28°F)-3°C (26°F)-4°C (25°F)-2°C (29°F)
Waves
Height0.7m (2.3ft)0.6m (2.0ft)0.4m (1.3ft)0.2m (0.7ft)0.2m (0.7ft)0.3m (1.0ft)0.5m (1.6ft)0.6m (2.0ft)
Direction 283°
WNW
291°
WNW
301°
WNW
302°
WNW
219°
SW
163°
SSE
169°
S
176°
S
Period9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.9.0 sec.
Significant height1.2m (3.9ft)1.0m (3.3ft)0.6m (2ft)0.3m (1ft)0.3m (1ft)0.6m (2ft)0.9m (3ft)1.0m (3.3ft)
Sea water temperature
Water temperature5°C (40°F)5°C (40°F)5°C (40°F)5°C (40°F)5°C (40°F)5°C (40°F)5°C (40°F)5°C (40°F)

Sea weather chart over the next 7 days

Outside temperature

Wind speed

Precipitation

Wave height

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