Current sea water temperature:
+43.5°F
| Minimum sea water temperature in April: | 47.5°F |
| Maximum sea water temperature in April: | 39.9°F |
| Average sea water temperature in April: | 42.9°F |
| more information | |
14 days
forecast
forecast
| Portsmouth |
monthly
weather
weather
| Portsmouth |
Sea water temperature for the last 10 days:
| April 29 | 43.5°F | April 24 | 44.8°F |
| April 28 | 43.2°F | April 23 | 43.3°F |
| April 27 | 43.7°F | April 22 | 44.1°F |
| April 26 | 43.7°F | April 21 | 45.7°F |
| April 25 | 43.7°F | April 20 | 44.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Portsmouth?
Based on the data about daily sea water temperature for the last three years the warmest sea in Portsmouth was noticed in August, July and September.
Monthly Sea Temperatures in Portsmouth, °F
Sea water temperature in August, °F
Show year:
2023
2022
2021
The average sea water temperature in August of 2023 was 62.7°F. The highest and lowest sea temperatures during the month were 65.5°F and 60.3°F.
Sea water temperature in July, °F
Show year:
2023
2022
2021
The average sea water temperature in July of 2023 was 66.5°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.3°F.
Sea water temperature in September, °F
Show year:
2023
2022
2021
The average sea water temperature in September of 2023 was 63.6°F. The highest and lowest sea temperatures during the month were 68.7°F and 58.5°F.
current
weather
weather
| Portsmouth |
weather in
May
May
| Portsmouth |
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 03:25
April 29, monday
0600
55°F
SE
5 mph
5 mph
0900
55°F
SW
6 mph
6 mph
1200
59°F
NW
4 mph
4 mph
1500
59°F
N
4 mph
4 mph
1800
55°F
NE
4 mph
4 mph
2100
52°F
NE
2 mph
2 mph
April 30, tuesday
0000
50°F
SW
6 mph
6 mph
0300
48°F
SW
8 mph
8 mph
