Extended 10-day forecasts, Portsmouth
Hourly detail for the next 48 hours, six-hourly segments for the rest of the week.
This is the 10-day extended forecast for Portsmouth, the United Kingdom. The forecast is updated every three hours and displays the temperature, weather conditions, wind direction and speed, as well as the chance of precipitation.
Check out our August climate page to see if the current temperatures in Portsmouth is typical for this time of year.
Today · Sunday 30 Aug
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 08:00 |
Partly cloudy
|
18°C (64°F) | 0 mm (0 in) | 80% | SW 8 m/s (16 knots) |
| 09:00 |
Light rain
|
18°C (64°F) | 0.1 mm (0 in) | 80% | SW 8 m/s (16 knots) |
| 10:00 |
Rain
|
19°C (66°F) | 0.3 mm (0.01 in) | 77% | SW 8 m/s (16 knots) |
| 11:00 |
Light rain
|
19°C (66°F) | 0.1 mm (0 in) | 81% | SW 9 m/s (17 knots) |
| 12:00 |
Light rain
|
19°C (66°F) | 0.2 mm (0.01 in) | 84% | SW 9 m/s (17 knots) |
| 13:00 |
Light rain
|
19°C (66°F) | 0.1 mm (0 in) | 82% | SW 10 m/s (19 knots) |
| 14:00 |
Light rain showers
|
20°C (68°F) | 0.2 mm (0.01 in) | 77% | SW 10 m/s (19 knots) |
| 15:00 |
Mostly sunny
|
20°C (68°F) | 0 mm (0 in) | 76% | SW 10 m/s (19 knots) |
| 16:00 |
Light rain showers
|
20°C (68°F) | 0.1 mm (0 in) | 74% | SW 9 m/s (17 knots) |
| 17:00 |
Mostly sunny
|
20°C (68°F) | 0 mm (0 in) | 76% | SW 10 m/s (19 knots) |
| 18:00 |
Rain showers
|
19°C (66°F) | 0.4 mm (0.02 in) | 76% | SW 10 m/s (19 knots) |
| 19:00 |
Rain
|
18°C (64°F) | 0.7 mm (0.03 in) | 84% | SW 11 m/s (21 knots) |
| 20:00 |
Rain
|
17°C (63°F) | 0.8 mm (0.03 in) | 85% | SW 12 m/s (23 knots) |
| 21:00 |
Heavy rain showers
|
18°C (64°F) | 1 mm (0.04 in) | 90% | SW 12 m/s (23 knots) |
| 22:00 |
Rain
|
17°C (63°F) | 0.6 mm (0.02 in) | 88% | SW 12 m/s (23 knots) |
| 23:00 |
Rain
|
17°C (63°F) | 0.8 mm (0.03 in) | 84% | SW 12 m/s (23 knots) |
08:00
Partly cloudy
80% · SW 8 m/s (16 knots)
18°C (64°F)
0 mm (0 in)
09:00
Light rain
80% · SW 8 m/s (16 knots)
18°C (64°F)
0.1 mm (0 in)
10:00
Rain
77% · SW 8 m/s (16 knots)
19°C (66°F)
0.3 mm (0.01 in)
11:00
Light rain
81% · SW 9 m/s (17 knots)
19°C (66°F)
0.1 mm (0 in)
12:00
Light rain
84% · SW 9 m/s (17 knots)
19°C (66°F)
0.2 mm (0.01 in)
13:00
Light rain
82% · SW 10 m/s (19 knots)
19°C (66°F)
0.1 mm (0 in)
14:00
Light rain showers
77% · SW 10 m/s (19 knots)
20°C (68°F)
0.2 mm (0.01 in)
15:00
Mostly sunny
76% · SW 10 m/s (19 knots)
20°C (68°F)
0 mm (0 in)
16:00
Light rain showers
74% · SW 9 m/s (17 knots)
20°C (68°F)
0.1 mm (0 in)
17:00
Mostly sunny
76% · SW 10 m/s (19 knots)
20°C (68°F)
0 mm (0 in)
18:00
Rain showers
76% · SW 10 m/s (19 knots)
19°C (66°F)
0.4 mm (0.02 in)
19:00
Rain
84% · SW 11 m/s (21 knots)
18°C (64°F)
0.7 mm (0.03 in)
20:00
Rain
85% · SW 12 m/s (23 knots)
17°C (63°F)
0.8 mm (0.03 in)
21:00
Heavy rain showers
90% · SW 12 m/s (23 knots)
18°C (64°F)
1 mm (0.04 in)
22:00
Rain
88% · SW 12 m/s (23 knots)
17°C (63°F)
0.6 mm (0.02 in)
23:00
Rain
84% · SW 12 m/s (23 knots)
17°C (63°F)
0.8 mm (0.03 in)
Tomorrow · Monday 31 Aug
Hour by hour
| Time | Weather | Temp | Precip | Humidity | Wind |
|---|---|---|---|---|---|
| 00:00 |
Rain showers
|
17°C (63°F) | 0.6 mm (0.02 in) | 88% | SW 12 m/s (23 knots) |
| 01:00 |
Mostly clear
|
16°C (61°F) | 0 mm (0 in) | 90% | SW 13 m/s (25 knots) |
| 02:00 |
Rain showers
|
17°C (63°F) | 0.3 mm (0.01 in) | 85% | SW 13 m/s (25 knots) |
| 03:00 |
Mostly clear
|
17°C (63°F) | 0 mm (0 in) | 83% | W 12 m/s (23 knots) |
| 04:00 |
Mostly clear
|
17°C (63°F) | 0 mm (0 in) | 78% | W 12 m/s (23 knots) |
| 05:00 |
Mostly clear
|
16°C (61°F) | 0 mm (0 in) | 81% | W 13 m/s (25 knots) |
| 06:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 83% | W 12 m/s (23 knots) |
| 07:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 84% | W 11 m/s (21 knots) |
| 08:00 |
Clear skies
|
16°C (61°F) | 0 mm (0 in) | 82% | W 10 m/s (19 knots) |
| 09:00 |
Clear skies
|
17°C (63°F) | 0 mm (0 in) | 80% | W 10 m/s (19 knots) |
| 10:00 |
Cloudy
|
18°C (64°F) | 0 mm (0 in) | 75% | W 11 m/s (21 knots) |
| 11:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 70% | W 9 m/s (17 knots) |
| 12:00 |
Light rain showers
|
20°C (68°F) | 0.1 mm (0 in) | 66% | W 10 m/s (19 knots) |
| 13:00 |
Light rain showers
|
21°C (70°F) | 0.2 mm (0.01 in) | 63% | W 9 m/s (17 knots) |
| 14:00 |
Light rain showers
|
21°C (70°F) | 0.2 mm (0.01 in) | 60% | W 9 m/s (17 knots) |
| 15:00 |
Partly cloudy
|
21°C (70°F) | 0 mm (0 in) | 60% | W 9 m/s (17 knots) |
| 16:00 |
Partly cloudy
|
21°C (70°F) | 0 mm (0 in) | 62% | W 9 m/s (17 knots) |
| 17:00 |
Partly cloudy
|
20°C (68°F) | 0 mm (0 in) | 62% | W 9 m/s (17 knots) |
| 18:00 |
Partly cloudy
|
19°C (66°F) | 0 mm (0 in) | 63% | W 9 m/s (17 knots) |
| 19:00 |
Partly cloudy
|
18°C (64°F) | 0 mm (0 in) | 67% | W 10 m/s (19 knots) |
| 20:00 |
Partly cloudy
|
17°C (63°F) | 0 mm (0 in) | 71% | W 9 m/s (17 knots) |
| 21:00 |
Partly cloudy
|
17°C (63°F) | 0 mm (0 in) | 75% | W 8 m/s (16 knots) |
| 22:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 77% | W 8 m/s (16 knots) |
| 23:00 |
Partly cloudy
|
16°C (61°F) | 0 mm (0 in) | 80% | W 7 m/s (14 knots) |
00:00
Rain showers
88% · SW 12 m/s (23 knots)
17°C (63°F)
0.6 mm (0.02 in)
01:00
Mostly clear
90% · SW 13 m/s (25 knots)
16°C (61°F)
0 mm (0 in)
02:00
Rain showers
85% · SW 13 m/s (25 knots)
17°C (63°F)
0.3 mm (0.01 in)
03:00
Mostly clear
83% · W 12 m/s (23 knots)
17°C (63°F)
0 mm (0 in)
04:00
Mostly clear
78% · W 12 m/s (23 knots)
17°C (63°F)
0 mm (0 in)
05:00
Mostly clear
81% · W 13 m/s (25 knots)
16°C (61°F)
0 mm (0 in)
06:00
Clear skies
83% · W 12 m/s (23 knots)
16°C (61°F)
0 mm (0 in)
07:00
Clear skies
84% · W 11 m/s (21 knots)
16°C (61°F)
0 mm (0 in)
08:00
Clear skies
82% · W 10 m/s (19 knots)
16°C (61°F)
0 mm (0 in)
09:00
Clear skies
80% · W 10 m/s (19 knots)
17°C (63°F)
0 mm (0 in)
10:00
Cloudy
75% · W 11 m/s (21 knots)
18°C (64°F)
0 mm (0 in)
11:00
Partly cloudy
70% · W 9 m/s (17 knots)
19°C (66°F)
0 mm (0 in)
12:00
Light rain showers
66% · W 10 m/s (19 knots)
20°C (68°F)
0.1 mm (0 in)
13:00
Light rain showers
63% · W 9 m/s (17 knots)
21°C (70°F)
0.2 mm (0.01 in)
14:00
Light rain showers
60% · W 9 m/s (17 knots)
21°C (70°F)
0.2 mm (0.01 in)
15:00
Partly cloudy
60% · W 9 m/s (17 knots)
21°C (70°F)
0 mm (0 in)
16:00
Partly cloudy
62% · W 9 m/s (17 knots)
21°C (70°F)
0 mm (0 in)
17:00
Partly cloudy
62% · W 9 m/s (17 knots)
20°C (68°F)
0 mm (0 in)
18:00
Partly cloudy
63% · W 9 m/s (17 knots)
19°C (66°F)
0 mm (0 in)
19:00
Partly cloudy
67% · W 10 m/s (19 knots)
18°C (64°F)
0 mm (0 in)
20:00
Partly cloudy
71% · W 9 m/s (17 knots)
17°C (63°F)
0 mm (0 in)
21:00
Partly cloudy
75% · W 8 m/s (16 knots)
17°C (63°F)
0 mm (0 in)
22:00
Partly cloudy
77% · W 8 m/s (16 knots)
16°C (61°F)
0 mm (0 in)
23:00
Partly cloudy
80% · W 7 m/s (14 knots)
16°C (61°F)
0 mm (0 in)
Next 7 days
Six-hour segments
Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Tuesday
1 Sep
15°C (59°F)
0 mm (0 in)
Partly cloudy
84% · W 6 m/s (12 knots)
15°C (59°F)
0.1 mm (0 in)
Mostly sunny
86% · W 4 m/s (8 knots)
19°C (66°F)
0.2 mm (0.01 in)
Cloudy
68% · SW 6 m/s (12 knots)
18°C (64°F)
0 mm (0 in)
Cloudy
75% · W 9 m/s (17 knots)
Tue
1 Sep
night
15°C (59°F)
0 mm (0 in)
Partly cloudy
84%
6 m/s (12 knots)
morning
15°C (59°F)
0.1 mm (0 in)
Mostly sunny
86%
4 m/s (8 knots)
afternoon
19°C (66°F)
0.2 mm (0.01 in)
Cloudy
68%
6 m/s (12 knots)
evening
18°C (64°F)
0 mm (0 in)
Cloudy
75%
9 m/s (17 knots)
Wednesday
2 Sep
17°C (63°F)
0 mm (0 in)
Cloudy
80% · W 7 m/s (14 knots)
17°C (63°F)
0.4 mm (0.02 in)
Cloudy
83% · SW 6 m/s (12 knots)
20°C (68°F)
0.1 mm (0 in)
Cloudy
77% · SW 9 m/s (17 knots)
19°C (66°F)
0 mm (0 in)
Partly cloudy
86% · SW 8 m/s (16 knots)
Wed
2 Sep
night
17°C (63°F)
0 mm (0 in)
Cloudy
80%
7 m/s (14 knots)
morning
17°C (63°F)
0.4 mm (0.02 in)
Cloudy
83%
6 m/s (12 knots)
afternoon
20°C (68°F)
0.1 mm (0 in)
Cloudy
77%
9 m/s (17 knots)
evening
19°C (66°F)
0 mm (0 in)
Partly cloudy
86%
8 m/s (16 knots)
Thursday
3 Sep
19°C (66°F)
0 mm (0 in)
Cloudy
89% · SW 7 m/s (14 knots)
19°C (66°F)
0 mm (0 in)
Cloudy
93% · SW 7 m/s (14 knots)
21°C (70°F)
0 mm (0 in)
Cloudy
90% · SW 8 m/s (16 knots)
20°C (68°F)
0 mm (0 in)
Cloudy
93% · SW 8 m/s (16 knots)
Thu
3 Sep
night
19°C (66°F)
0 mm (0 in)
Cloudy
89%
7 m/s (14 knots)
morning
19°C (66°F)
0 mm (0 in)
Cloudy
93%
7 m/s (14 knots)
afternoon
21°C (70°F)
0 mm (0 in)
Cloudy
90%
8 m/s (16 knots)
evening
20°C (68°F)
0 mm (0 in)
Cloudy
93%
8 m/s (16 knots)
Friday
4 Sep
19°C (66°F)
0.2 mm (0.01 in)
Cloudy
95% · SW 7 m/s (14 knots)
19°C (66°F)
0.4 mm (0.02 in)
Cloudy
95% · SW 5 m/s (10 knots)
22°C (72°F)
0 mm (0 in)
Cloudy
78% · SW 5 m/s (10 knots)
20°C (68°F)
0 mm (0 in)
Partly cloudy
85% · SW 6 m/s (12 knots)
Fri
4 Sep
night
19°C (66°F)
0.2 mm (0.01 in)
Cloudy
95%
7 m/s (14 knots)
morning
19°C (66°F)
0.4 mm (0.02 in)
Cloudy
95%
5 m/s (10 knots)
afternoon
22°C (72°F)
0 mm (0 in)
Cloudy
78%
5 m/s (10 knots)
evening
20°C (68°F)
0 mm (0 in)
Partly cloudy
85%
6 m/s (12 knots)
Saturday
5 Sep
17°C (63°F)
0.1 mm (0 in)
Clear skies
96% · SW 3 m/s (6 knots)
18°C (64°F)
0.1 mm (0 in)
Cloudy
98% · SW 6 m/s (12 knots)
21°C (70°F)
0 mm (0 in)
Mostly sunny
86% · SW 7 m/s (14 knots)
19°C (66°F)
0 mm (0 in)
Mostly clear
90% · SW 7 m/s (14 knots)
Sat
5 Sep
night
17°C (63°F)
0.1 mm (0 in)
Clear skies
96%
3 m/s (6 knots)
morning
18°C (64°F)
0.1 mm (0 in)
Cloudy
98%
6 m/s (12 knots)
afternoon
21°C (70°F)
0 mm (0 in)
Mostly sunny
86%
7 m/s (14 knots)
evening
19°C (66°F)
0 mm (0 in)
Mostly clear
90%
7 m/s (14 knots)
Sunday
6 Sep
18°C (64°F)
0 mm (0 in)
Cloudy
93% · SW 5 m/s (10 knots)
19°C (66°F)
5.3 mm (0.2 in)
Heavy rain
92% · SW 6 m/s (12 knots)
17°C (63°F)
0 mm (0 in)
Cloudy
88% · N 5 m/s (10 knots)
18°C (64°F)
0 mm (0 in)
Clear skies
70% · N 4 m/s (8 knots)
Sun
6 Sep
night
18°C (64°F)
0 mm (0 in)
Cloudy
93%
5 m/s (10 knots)
morning
19°C (66°F)
5.3 mm (0.2 in)
Heavy rain
92%
6 m/s (12 knots)
afternoon
17°C (63°F)
0 mm (0 in)
Cloudy
88%
5 m/s (10 knots)
evening
18°C (64°F)
0 mm (0 in)
Clear skies
70%
4 m/s (8 knots)
Monday
7 Sep
14°C (57°F)
0 mm (0 in)
Clear skies
73% · N 4 m/s (8 knots)
12°C (54°F)
0 mm (0 in)
Partly cloudy
82% · N 4 m/s (8 knots)
17°C (63°F)
0 mm (0 in)
Cloudy
59% · SE 1 m/s (2 knots)
17°C (63°F)
0 mm (0 in)
Cloudy
61% · SE 1 m/s (2 knots)
Mon
7 Sep
night
14°C (57°F)
0 mm (0 in)
Clear skies
73%
4 m/s (8 knots)
morning
12°C (54°F)
0 mm (0 in)
Partly cloudy
82%
4 m/s (8 knots)
afternoon
17°C (63°F)
0 mm (0 in)
Cloudy
59%
1 m/s (2 knots)
evening
17°C (63°F)
0 mm (0 in)
Cloudy
61%
1 m/s (2 knots)
Data from MET Norway.
Prefer the quick-glance version? See the 10-day summary.
Portsmouth weather by month
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