Measurements:
°C
°F
CURRENT WEATHER
08:24
Portsmouth
36°F
N 7 mph
Feels like: 34°F
Precip: 100%
World Resorts USA Portsmouth Weather

14 Day Weather Forecast

04.03
fri
DAY
40°F
N 8 mph
precip
100%
NIGHT
52°F
NE 14 mph
precip
0%
04.04
sat
DAY
46°F
W 12 mph
precip
0%
NIGHT
36°F
NW 10 mph
precip
0%
04.05
sun
DAY
44°F
NE 6 mph
precip
0%
NIGHT
40°F
E 11 mph
precip
0%
04.06
mon
DAY
44°F
SE 15 mph
precip
0%
NIGHT
34°F
E 6 mph
precip
0%
04.07
tue
DAY
44°F
E 2 mph
precip
100%
NIGHT
28°F
SE 9 mph
precip
0%
04.08
wed
DAY
36°F
SW 7 mph
precip
0%
NIGHT
26°F
NE 7 mph
precip
0%
04.09
thu
DAY
46°F
N 12 mph
precip
0%
NIGHT
36°F
NE 9 mph
precip
0%
04.10
fri
DAY
56°F
N 7 mph
precip
0%
NIGHT
44°F
NE 4 mph
precip
0%
04.11
sat
DAY
56°F
W 6 mph
precip
0%
NIGHT
42°F
N 4 mph
precip
0%
04.12
sun
DAY
66°F
NE 5 mph
precip
0%
NIGHT
56°F
NE 7 mph
precip
0%
04.13
mon
DAY
64°F
SE 16 mph
precip
0%
NIGHT
42°F
S 5 mph
precip
0%
04.14
tue
DAY
46°F
NW 9 mph
precip
0%
NIGHT
44°F
N 11 mph
precip
79%
04.15
wed
DAY
66°F
NE 12 mph
precip
0%
NIGHT
52°F
E 12 mph
precip
0%
04.16
thu
DAY
50°F
W 8 mph
precip
0%
NIGHT
40°F
W 5 mph
precip
0%

Portsmouth Sea Water Temperature in April, °F

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for Portsmouth was 40.4°F. The maximum and minimum values were 38.8°F and 44.4°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
April 3 days
August 2 days
The most windy months:
January 9 mph
March 9 mph
November 9 mph
more details
USA Resorts:
NAME
F°
Chicago +46
Hawaii +72
Honolulu +72
Houston +74
Las Vegas +52
Los Angeles +54
Maui +66
Miami +80
Miami Beach +80
New York +42
San Diego +54
San Francisco +48
Sarasota +76
Tampa +76
Washington +52
all resorts
24 Hours Weather Forecast
Portsmouth
Local time: 08:24
03 apr, friday
0900 36°F
N
7 mph
1200 40°F
N
8 mph
1500 50°F
NE
12 mph
1800 56°F
NE
11 mph
2100 52°F
NE
12 mph
04 apr, saturday
0000 52°F
NE
14 mph
0300 52°F
E
14 mph
0600 50°F
SE
11 mph