01.29
thu
thu
DAY
20°F
SE 11 mph
precip
0%
0%
NIGHT
4°F
E 15 mph
precip
0%
0%
01.30
fri
fri
DAY
8°F
E 13 mph
precip
0%
0%
NIGHT
-2°F
SE 6 mph
precip
0%
0%
01.31
sat
sat
DAY
12°F
SE 4 mph
precip
0%
0%
NIGHT
4°F
S 9 mph
precip
0%
0%
02.01
sun
sun
DAY
16°F
S 14 mph
precip
0%
0%
NIGHT
10°F
SE 11 mph
precip
0%
0%
02.02
mon
mon
DAY
26°F
SE 9 mph
precip
0%
0%
NIGHT
8°F
SE 5 mph
precip
0%
0%
02.03
tue
tue
DAY
26°F
SE 4 mph
precip
0%
0%
NIGHT
16°F
E 6 mph
precip
0%
0%
02.04
wed
wed
DAY
26°F
E 12 mph
precip
45%
45%
NIGHT
2°F
SE 11 mph
precip
0%
0%
02.05
thu
thu
DAY
16°F
E 7 mph
precip
0%
0%
NIGHT
10°F
E 7 mph
precip
0%
0%
02.06
fri
fri
DAY
20°F
N 2 mph
precip
100%
100%
NIGHT
12°F
SE 10 mph
precip
67%
67%
02.07
sat
sat
DAY
2°F
SE 17 mph
precip
0%
0%
NIGHT
-8°F
SE 8 mph
precip
0%
0%
02.08
sun
sun
DAY
16°F
NW 11 mph
precip
100%
100%
NIGHT
20°F
E 16 mph
precip
28%
28%
02.09
mon
mon
DAY
10°F
NE 19 mph
precip
55%
55%
NIGHT
2°F
E 17 mph
precip
0%
0%
02.10
tue
tue
DAY
10°F
E 17 mph
precip
40%
40%
NIGHT
4°F
NE 16 mph
precip
0%
0%
02.11
wed
wed
DAY
16°F
E 16 mph
precip
68%
68%
NIGHT
14°F
E 18 mph
precip
0%
0%
Sea water
temperature
temperature
| Portsmouth |
Weather in
February
February
| Portsmouth |
7 day weather
forecast
forecast
| Portsmouth |
10 day weather
forecast
forecast
| Portsmouth |
14 day weather
forecast
forecast
| Portsmouth |
Monthly weather
averages
averages
| Portsmouth |
Current Weather
Conditions
Conditions
| Portsmouth |
When is the Best
Time to Visit?
Time to Visit?
| Portsmouth |
Portsmouth Sea Water Temperature in January, °F
The average sea surface temperature in January 2026 for Portsmouth was 40.1°F. The maximum and minimum values were 38.2°F and 41.4°F respectively.
Portsmouth on the Weather Map
USA Resorts:
NAME
F°
| Chicago |  |
+12 |
| Hawaii |  |
+80 |
| Honolulu | |
+80 |
| Houston |  |
+62 |
| Las Vegas | |
+66 |
| Los Angeles | |
+76 |
| Maui |  |
+74 |
| Miami | |
+70 |
| Miami Beach | |
+74 |
| New York | |
+18 |
| San Diego | |
+80 |
| San Francisco | |
+58 |
| Sarasota | |
+68 |
| Tampa | |
+70 |
| Washington | |
+18 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Portsmouth
Local time: 14:09
29 jan, thursday
| 1500 | |
20°F | E 11 mph |
| 1800 | |
14°F | E 11 mph |
| 2100 | |
4°F | E 11 mph |
30 jan, friday
| 0000 | |
4°F | E 15 mph |
| 0300 | |
2°F | E 15 mph |
| 0600 | |
-2°F | E 16 mph |
| 0900 | |
-2°F | E 14 mph |
| 1200 | |
8°F | E 13 mph |