Measurements:
°C
°F
CURRENT WEATHER
13:10
Portsmouth
88°F
NE 6 mph
Feels like: 90°F
Precip: 0%
World Resorts USA Portsmouth Weather

14 Day Weather Forecast

06.04
thu
DAY
88°F
NE 6 mph
precip
0%
NIGHT
66°F
E 6 mph
precip
2%
06.05
fri
DAY
82°F
E 4 mph
precip
0%
NIGHT
64°F
NE 5 mph
precip
3%
06.06
sat
DAY
86°F
NE 12 mph
precip
0%
NIGHT
66°F
NE 6 mph
precip
82%
06.07
sun
DAY
72°F
SW 5 mph
precip
87%
NIGHT
54°F
SW 11 mph
precip
73%
06.08
mon
DAY
64°F
SW 12 mph
precip
1%
NIGHT
52°F
SE 6 mph
precip
3%
06.09
tue
DAY
70°F
W 6 mph
precip
1%
NIGHT
60°F
NE 6 mph
precip
3%
06.10
wed
DAY
74°F
W 7 mph
precip
1%
NIGHT
58°F
NE 5 mph
precip
2%
06.11
thu
DAY
68°F
W 7 mph
precip
1%
NIGHT
58°F
NE 2 mph
precip
12%
06.12
fri
DAY
78°F
NW 6 mph
precip
1%
NIGHT
70°F
E 6 mph
precip
4%
06.13
sat
DAY
92°F
SE 12 mph
precip
0%
NIGHT
70°F
N 2 mph
precip
73%
06.14
sun
DAY
70°F
W 11 mph
precip
6%
NIGHT
58°F
W 4 mph
precip
26%
06.15
mon
DAY
62°F
W 5 mph
precip
81%
NIGHT
58°F
SW 7 mph
precip
52%
06.16
tue
DAY
64°F
SW 6 mph
precip
26%
NIGHT
60°F
W 2 mph
precip
59%
06.17
wed
DAY
64°F
W 5 mph
precip
43%
NIGHT
66°F
W 2 mph
precip
33%

Portsmouth Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Portsmouth was 57.3°F. The maximum and minimum values were 50.0°F and 62.6°F respectively.

Portsmouth on the Weather Map

Best Time to Visit Portsmouth
The most sunny months:
November 16 days
October 14 days
September 13 days
The most warm months:
July 81.7 °F
August 80.0 °F
June 75.2 °F
Warmest sea temperature:
August 66.7 °F
July 64.8 °F
September 63.6 °F
The most cold months:
January 30.9 °F
February 32.1 °F
December 36.4 °F
The most rainy months:
July 3 days
August 2 days
October 2 days
The most windy months:
January 9 mph
March 9 mph
November 9 mph
more details
USA Resorts:
NAME
F°
Boston +90
Chicago +76
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +94
Los Angeles +68
Maui +70
Miami +82
Miami Beach +84
New York +94
San Diego +64
San Francisco +60
Sarasota +94
Tampa +92
all resorts
24 Hours Weather Forecast
Portsmouth
Local time: 13:10
04 jun, thursday
1500 90°F
N
6 mph
1800 84°F
NE
3 mph
2100 74°F
E
5 mph
05 jun, friday
0000 66°F
E
6 mph
0300 62°F
E
6 mph
0600 62°F
SE
4 mph
0900 74°F
SE
5 mph
1200 82°F
E
4 mph