Measurements:
°C
°F
Portsmouth
8°F
SE 12 mph
Feels like: -10°F
Precip: 0%
World Resorts USA Portsmouth Weather

14 Day Weather Forecast

12.22
sun
DAY
16°F
SE 8 mph
precip
0%
NIGHT
10°F
SE 5 mph
precip
0%
12.23
mon
DAY
16°F
NE 6 mph
precip
0%
NIGHT
22°F
NE 8 mph
precip
0%
12.24
tue
DAY
28°F
SE 6 mph
precip
0%
NIGHT
22°F
S 7 mph
precip
0%
12.25
wed
DAY
28°F
S 6 mph
precip
0%
NIGHT
26°F
SE 4 mph
precip
0%
12.26
thu
DAY
32°F
E 4 mph
precip
0%
NIGHT
26°F
NW 6 mph
precip
0%
12.27
fri
DAY
32°F
SW 11 mph
precip
26%
NIGHT
26°F
S 9 mph
precip
0%
12.28
sat
DAY
30°F
S 7 mph
precip
0%
NIGHT
26°F
S 7 mph
precip
0%
12.29
sun
DAY
34°F
SW 7 mph
precip
0%
NIGHT
28°F
S 7 mph
precip
0%
12.30
mon
DAY
34°F
SW 9 mph
precip
0%
NIGHT
28°F
S 7 mph
precip
0%
12.31
tue
DAY
34°F
SW 7 mph
precip
0%
NIGHT
34°F
SW 7 mph
precip
70%
01.01
wed
DAY
36°F
W 11 mph
precip
83%
NIGHT
38°F
W 18 mph
precip
100%
01.02
thu
DAY
38°F
S 7 mph
precip
71%
NIGHT
36°F
NE 9 mph
precip
21%
01.03
fri
DAY
36°F
NE 11 mph
precip
0%
NIGHT
30°F
NE 12 mph
precip
0%
01.04
sat
DAY
34°F
E 14 mph
precip
0%
NIGHT
28°F
E 14 mph
precip
0%

Portsmouth Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for Portsmouth was 46.1°F. The maximum and minimum values were 44.4°F and 47.6°F respectively.

Portsmouth on the Weather Map

Best Time to Visit Portsmouth
The most sunny months:
November 15 days
September 13 days
October 12 days
The most warm months:
July 81.1 °F
August 79.6 °F
June 74.7 °F
Warmest sea temperature:
August 67.0 °F
July 64.9 °F
September 63.8 °F
The most cold months:
January 32.1 °F
February 32.9 °F
December 38.3 °F
The most rainy months:
December 3 days
July 3 days
April 3 days
The most windy months:
March 10 mph
February 9 mph
December 9 mph
USA Resorts:
NAME
Boston +10
Chicago +20
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +50
Los Angeles +54
Miami +62
New York +16
Orlando +50
San Diego +54
San Francisco +54
Sarasota +48
Tampa +46
Washington +20
24 Hours Weather Forecast
Portsmouth
Local time: 05:44
22 dec, sunday
0600 8°F
SE
12 mph
0900 8°F
SE
10 mph
1200 16°F
SE
8 mph
1500 20°F
SE
8 mph
1800 20°F
SE
6 mph
2100 14°F
SE
6 mph
23 dec, monday
0000 10°F
SE
5 mph
0300 10°F
SE
4 mph