Portsmouth (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 9° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 9° Celsius; -
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 5° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 5° Celsius;
-
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 3° Celsius;
Maximum daytime temperature: 15° Celsius; Minimum nighttime temperature: 3° Celsius;
-
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 7° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: 7° Celsius; -
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 12° Celsius; Minimum nighttime temperature: 6° Celsius;
-
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 6° Celsius;
Maximum daytime temperature: 14° Celsius; Minimum nighttime temperature: 6° Celsius; -
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: -2° Celsius;
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: -2° Celsius;
Sunny.
Sunrise:
Sunset:
L UV
No pollution data.
No pollen data.
7 day forecast for Portsmouth
Today (23 December 2025)
| Time |
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
 |
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
12°
|
12°
|
11°
|
11°
|
11°
|
10°
|
10°
|
10°
|
| Feels like temperature (°C) |
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
8°
|
8°
|
| Wind direction and speed |
WSW
10
|
WSW
9
|
WSW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
W
8
|
| Wind gust (mph) |
20
|
17
|
16
|
16
|
16
|
17
|
17
|
16
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
55%
|
61%
|
64%
|
67%
|
73%
|
74%
|
75%
|
77%
|
| UV | 1 | - | - | - | - | - | - | - |
Wednesday (24 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
10°
|
10°
|
10°
|
10°
|
9°
|
9°
|
9°
|
9°
|
9°
|
10°
|
11°
|
13°
|
14°
|
14°
|
14°
|
14°
|
12°
|
11°
|
10°
|
9°
|
8°
|
8°
|
7°
|
7°
|
| Feels like temperature (°C) |
8°
|
8°
|
8°
|
8°
|
8°
|
7°
|
8°
|
7°
|
7°
|
9°
|
10°
|
11°
|
12°
|
12°
|
12°
|
12°
|
11°
|
9°
|
8°
|
7°
|
7°
|
6°
|
6°
|
6°
|
| Wind direction and speed (mph) |
W
8
|
W
8
|
W
8
|
W
8
|
W
8
|
WNW
7
|
WNW
7
|
WNW
7
|
NW
7
|
NW
7
|
NNW
7
|
NNW
8
|
NNW
9
|
NNW
10
|
N
10
|
N
9
|
NNE
8
|
NNE
6
|
NE
6
|
NE
6
|
NE
6
|
ENE
6
|
ENE
5
|
E
5
|
| Wind gust (mph) |
16
|
16
|
16
|
15
|
14
|
14
|
14
|
14
|
14
|
15
|
18
|
20
|
23
|
23
|
23
|
20
|
16
|
14
|
13
|
12
|
12
|
12
|
11
|
9
|
| Visibility (description) |
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
81%
|
83%
|
85%
|
85%
|
87%
|
91%
|
91%
|
92%
|
92%
|
86%
|
79%
|
67%
|
52%
|
40%
|
35%
|
36%
|
41%
|
46%
|
54%
|
57%
|
60%
|
61%
|
63%
|
65%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Thursday (25 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
 |
 |
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
6°
|
6°
|
6°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
8°
|
10°
|
11°
|
13°
|
14°
|
14°
|
14°
|
14°
|
13°
|
13°
|
12°
|
11°
|
9°
|
8°
|
| Feels like temperature (°C) |
5°
|
5°
|
4°
|
4°
|
3°
|
3°
|
3°
|
2°
|
2°
|
3°
|
5°
|
7°
|
9°
|
10°
|
12°
|
12°
|
13°
|
12°
|
11°
|
11°
|
9°
|
8°
|
7°
|
5°
|
| Wind direction and speed (mph) |
ESE
4
|
ESE
4
|
SE
4
|
SE
5
|
SSE
5
|
S
6
|
S
6
|
SSW
6
|
SSW
7
|
SSW
8
|
SSW
10
|
SW
10
|
SW
11
|
WSW
12
|
WSW
11
|
W
10
|
W
9
|
WNW
8
|
NNW
8
|
N
9
|
N
10
|
NNE
12
|
NNE
12
|
NNE
12
|
| Wind gust (mph) |
8
|
8
|
9
|
9
|
11
|
13
|
14
|
16
|
19
|
21
|
22
|
25
|
26
|
26
|
24
|
22
|
18
|
17
|
19
|
23
|
25
|
27
|
27
|
26
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
69%
|
73%
|
75%
|
76%
|
78%
|
79%
|
82%
|
83%
|
83%
|
75%
|
64%
|
54%
|
49%
|
52%
|
55%
|
58%
|
63%
|
69%
|
69%
|
69%
|
66%
|
64%
|
61%
|
58%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Friday (26 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
 |
|
|
|
|
 |
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
20%
|
30%
|
30%
|
40%
|
| Temperature (°C) |
7°
|
6°
|
5°
|
5°
|
4°
|
4°
|
4°
|
3°
|
4°
|
4°
|
5°
|
5°
|
6°
|
6°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
7°
|
| Feels like temperature (°C) |
4°
|
3°
|
2°
|
1°
|
1°
|
0°
|
0°
|
0°
|
1°
|
1°
|
2°
|
2°
|
3°
|
4°
|
4°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
5°
|
6°
|
6°
|
| Wind direction and speed (mph) |
NNE
12
|
NNE
12
|
NNE
11
|
NNE
10
|
NE
10
|
NE
10
|
NE
8
|
NE
7
|
NE
6
|
NE
7
|
NE
8
|
ENE
8
|
ENE
8
|
ENE
7
|
E
7
|
ESE
8
|
ESE
7
|
ESE
7
|
SE
7
|
SE
6
|
SE
6
|
SE
5
|
SSE
4
|
S
4
|
| Wind gust (mph) |
26
|
25
|
24
|
23
|
22
|
20
|
17
|
15
|
16
|
18
|
19
|
17
|
17
|
17
|
17
|
17
|
17
|
16
|
15
|
14
|
12
|
10
|
9
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
G
|
| Humidity |
58%
|
58%
|
59%
|
57%
|
57%
|
56%
|
57%
|
58%
|
59%
|
59%
|
56%
|
56%
|
57%
|
57%
|
58%
|
58%
|
61%
|
66%
|
66%
|
72%
|
75%
|
77%
|
80%
|
83%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - | - | - | - |
Saturday (27 December 2025)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
30%
|
30%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
7°
|
7°
|
7°
|
7°
|
8°
|
7°
|
7°
|
7°
|
8°
|
8°
|
9°
|
10°
|
11°
|
12°
|
11°
|
11°
|
10°
|
10°
|
9°
|
9°
|
8°
|
| Feels like temperature (°C) |
5°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
6°
|
7°
|
8°
|
9°
|
10°
|
10°
|
10°
|
9°
|
9°
|
8°
|
8°
|
7°
|
6°
|
| Wind direction and speed (mph) |
SSW
5
|
S
4
|
SSW
5
|
SSW
5
|
SSW
5
|
SW
6
|
SW
6
|
WSW
5
|
W
5
|
W
6
|
WNW
6
|
NW
6
|
NNW
7
|
NNW
7
|
N
7
|
NNE
7
|
NNE
7
|
NNE
7
|
NNE
6
|
NNE
6
|
NNE
5
|
| Wind gust (mph) |
10
|
10
|
11
|
10
|
11
|
11
|
11
|
11
|
11
|
14
|
15
|
17
|
17
|
18
|
18
|
18
|
16
|
15
|
14
|
14
|
12
|
| Visibility (description) |
G
|
G
|
G
|
G
|
VG
|
G
|
VG
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
84%
|
86%
|
87%
|
89%
|
89%
|
89%
|
88%
|
89%
|
88%
|
85%
|
80%
|
76%
|
72%
|
69%
|
66%
|
66%
|
66%
|
71%
|
72%
|
72%
|
81%
|
| UV | - | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | - | - | - | - |
Sunday (28 December 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
7°
|
6°
|
6°
|
8°
|
12°
|
13°
|
13°
|
13°
|
| Feels like temperature (°C) |
5°
|
5°
|
5°
|
7°
|
10°
|
12°
|
11°
|
11°
|
| Wind direction and speed (mph) |
NE
5
|
NE
4
|
ENE
3
|
ESE
4
|
SSE
6
|
S
8
|
S
9
|
SW
11
|
| Wind gust (mph) |
10
|
10
|
10
|
14
|
17
|
20
|
24
|
26
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
86%
|
92%
|
93%
|
85%
|
74%
|
72%
|
82%
|
85%
|
| UV | - | - | 1 | 2 | 2 | 1 | - | - |
Monday (29 December 2025)
| Time |
01:00
|
04:00
|
07:00
|
10:00
|
13:00
|
16:00
|
19:00
|
22:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
20%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
12°
|
10°
|
7°
|
6°
|
6°
|
5°
|
3°
|
1°
|
| Feels like temperature (°C) |
9°
|
7°
|
4°
|
2°
|
2°
|
1°
|
-1°
|
-3°
|
| Wind direction and speed (mph) |
WSW
12
|
W
13
|
WNW
13
|
WNW
16
|
WNW
16
|
WNW
15
|
WNW
12
|
NW
11
|
| Wind gust (mph) |
29
|
31
|
34
|
36
|
36
|
31
|
25
|
22
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
82%
|
75%
|
46%
|
33%
|
23%
|
22%
|
30%
|
37%
|
| UV | - | - | 1 | 2 | 2 | 1 | - | - |
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Forecast
Forecast for 4pm (UTC-5) Tuesday
Updated 18:31 (UTC) on Tue 23 Dec 2025
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