18.05
sat
sat
Day
55°F
SW 10 mph
Precip.
68%
68%
Night
52°F
SW 9 mph
Precip.
86%
86%
19.05
sun
sun
Day
55°F
SW 12 mph
Precip.
0%
0%
Night
48°F
SW 3 mph
Precip.
0%
0%
20.05
mon
mon
Day
64°F
NW 6 mph
Precip.
0%
0%
Night
54°F
N 6 mph
Precip.
0%
0%
21.05
tue
tue
Day
79°F
NE 9 mph
Precip.
0%
0%
Night
64°F
NE 7 mph
Precip.
0%
0%
22.05
wed
wed
Day
81°F
N 7 mph
Precip.
0%
0%
Night
64°F
NE 11 mph
Precip.
0%
0%
23.05
thu
thu
Day
73°F
NE 11 mph
Precip.
100%
100%
Night
57°F
E 9 mph
Precip.
0%
0%
24.05
fri
fri
Day
68°F
SE 12 mph
Precip.
0%
0%
Night
54°F
SE 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Portsmouth |
monthly
weather
weather
| Portsmouth |
current
weather
weather
| Portsmouth |
14 days
forecast
forecast
| Portsmouth |
Sea water temperature in May, °F
Show year:
2023
2022
2021
The average sea water temperature in May of 2023 was 50.2°F. The highest and lowest sea temperatures during the month were 54.0°F and 47.3°F.
Sea water temperature in June, °F
Show year:
2023
2022
2021
The average sea water temperature in June of 2023 was 58.1°F. The highest and lowest sea temperatures during the month were 63.9°F and 54.0°F.
Air temperature in Portsmouth, °F
Precipitation total in Portsmouth, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Portsmouth
Portsmouth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Portsmouth
Local time: 23:21
May 19, sunday
0000
52°F
SW
9 mph
9 mph
0300
54°F
SW
8 mph
8 mph
0600
54°F
SW
10 mph
10 mph
0900
54°F
SW
11 mph
11 mph
1200
55°F
SW
12 mph
12 mph
1500
59°F
W
12 mph
12 mph
1800
55°F
W
9 mph
9 mph
2100
50°F
SW
6 mph
6 mph
