World Resorts USA Portsmouth Weather

Portsmouth 7 Days Forecast

05.12
fri
Day
19°F
NE 7 mph
Precip.
0%
Night
19°F
NE 6 mph
Precip.
0%
06.12
sat
Day
27°F
NE 9 mph
Precip.
0%
Night
30°F
E 7 mph
Precip.
0%
07.12
sun
Day
30°F
S 4 mph
Precip.
0%
Night
32°F
W 4 mph
Precip.
100%
08.12
mon
Day
23°F
S 14 mph
Precip.
100%
Night
10°F
SE 12 mph
Precip.
0%
09.12
tue
Day
21°F
NE 8 mph
Precip.
0%
Night
27°F
NE 11 mph
Precip.
0%
10.12
wed
Day
39°F
NE 12 mph
Precip.
28%
Night
48°F
N 11 mph
Precip.
100%
11.12
thu
Day
39°F
E 7 mph
Precip.
22%
Night
25°F
E 20 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2024
2023
2022

The average sea water temperature in December of 2024 was 45.5°F. The highest and lowest sea temperatures during the month were 47.8°F and 42.4°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

Sunniest months:
November 16 days
October 14 days
September 13 days
Warmest months:
July 78.5 °F
August 77.0 °F
June 72.7 °F
Warmest sea temp:
August 65.0 °F
July 63.3 °F
September 62.2 °F
Coldest months:
January 33.2 °F
February 34.2 °F
December 38.7 °F
Rainiest months:
July 3 days
December 3 days
April 3 days
Windiest months:
March 9.7 mph
January 9.7 mph
February 9.6 mph

Portsmouth on a weather map

Portsmouth
+12°F
SE 14 mph
Feels like: -2°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+45°F
+55°F
+70°F
+77°F
+70°F
+23°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Portsmouth
Local time: 01:18
December 05, friday
0300
10°F
SE
11 mph
0600
9°F
E
6 mph
0900
12°F
E
6 mph
1200
19°F
NE
7 mph
1500
25°F
NE
10 mph
1800
25°F
NE
6 mph
2100
21°F
NE
6 mph
December 06, saturday
0000
19°F
NE
6 mph
Units of measurement: °C / °F