Weather forecast Portsmouth
Today 18 August
18°C
Clear sky expected
17°C / 24°C
74%
18.4 Km/h
WEDNESDAY
18°C
16.4 / 20.1
THURSDAY
18°C
15.8 / 20.2
FRIDAY
16°C
13.6 / 18.7
SATURDAY
16°C
13.6 / 18.3
SUNDAY
18°C
14.4 / 21.2
MONDAY
16°C
14.9 / 17.3
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Today's weather forecast for Portsmouth
Morning
18°C
Perceived 14°C
Afternoon
23°C
Perceived 20°C
Evening
23°C
Perceived 19°C
Night
18°C
Perceived 15°C
The sun will rise at 05:56 and will set at 20:19
UV index: 0 (minimum)
| Time | Forecast | Pressure hPa | Humidity | Wind km/h | Rain |
| 00:00 | Overcast 18.4°C | 1016 | 70% | 17 WNW | 18% 0 mm. |
| 01:00 | Clear 17.7°C | 1016 | 74% | 18 WNW | 7% 0 mm. |
| 02:00 | Cloudy 17.2°C | 1016 | 78% | 21 WNW | 18% 0 mm. |
| 03:00 | Partly Cloudy 17.2°C | 1015 | 78% | 21 WNW | 15% 0 mm. |
| 04:00 | Overcast 17.3°C | 1015 | 77% | 22 WNW | 22% 0 mm. |
| 05:00 | Overcast 17.4°C | 1014 | 76% | 20 W | 21% 0 mm. |
| 06:00 | Overcast 17.7°C | 1014 | 76% | 20 W | 22% 0 mm. |
| 07:00 | Overcast 18°C | 1014 | 82% | 22 W | 25% 0 mm. |
| 08:00 | Overcast 18.3°C | 1014 | 87% | 23 W | 28% 0 mm. |
| 09:00 | Patchy rain nearby 19.7°C | 1013 | 90% | 25 WSW | 42% 0.1 mm. |
| 10:00 | Patchy rain nearby 20°C | 1013 | 91% | 27 W | 42% 0.1 mm. |
| 11:00 | Patchy rain nearby 21.1°C | 1013 | 83% | 27 W | 29% 0 mm. |
| 12:00 | Patchy rain nearby 22.6°C | 1013 | 71% | 25 W | 23% 0.1 mm. |
| 13:00 | Patchy rain nearby 23.4°C | 1012 | 64% | 25 W | 16% 0 mm. |
| 14:00 | Overcast 23.8°C | 1012 | 60% | 25 WSW | 14% 0 mm. |
| 15:00 | Patchy rain nearby 23.1°C | 1012 | 64% | 31 WSW | 16% 0 mm. |
| 16:00 | Overcast 23°C | 1011 | 62% | 27 WSW | 15% 0 mm. |
| 17:00 | Overcast 23.1°C | 1011 | 58% | 24 W | 14% 0 mm. |
| 18:00 | Partly Cloudy 22.6°C | 1011 | 60% | 23 W | 8% 0 mm. |
| 19:00 | Overcast 22.1°C | 1011 | 61% | 20 W | 14% 0 mm. |
| 20:00 | Cloudy 21.3°C | 1011 | 62% | 17 WNW | 9% 0 mm. |
| 21:00 | Cloudy 19.8°C | 1011 | 63% | 19 WNW | 13% 0 mm. |
| 22:00 | Overcast 18.7°C | 1012 | 67% | 26 WNW | 15% 0 mm. |
| 23:00 | Cloudy 18.1°C | 1011 | 69% | 27 WNW | 11% 0 mm. |