Weather forecast Portsmouth
Today 18 August
19°C
Fog expected
18°C / 24°C
98%
13 Km/h
TUESDAY
21°C
17.4 / 25.1
WEDNESDAY
19°C
17.4 / 21.0
THURSDAY
19°C
16.4 / 21.9
FRIDAY
20°C
16.7 / 22.4
SATURDAY
20°C
17.8 / 22.6
SUNDAY
19°C
14.9 / 23.6
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Today's weather forecast for Portsmouth
Morning
18°C
Perceived 18°C
Afternoon
23°C
Perceived 23°C
Evening
20°C
Perceived 19°C
Night
20°C
Perceived 22°C
The sun will rise at 05:52 and will set at 19:41
UV index: 0.5 (minimum)
| Time | Forecast | Pressure hPa | Humidity | Wind km/h | Rain |
| 08:00 | Fog 19.3°C | 1012 | 98% | 13 NE | 35% 0 mm. |
| 09:00 | Mist 19.8°C | 1012 | 96% | 12 NE | 33% 0 mm. |
| 10:00 | Overcast 20.8°C | 1012 | 91% | 12 NNE | 36% 0 mm. |
| 11:00 | Overcast 21.7°C | 1012 | 86% | 12 NNE | 27% 0 mm. |
| 12:00 | Overcast 22.8°C | 1012 | 80% | 12 NNE | 23% 0 mm. |
| 13:00 | Overcast 23.5°C | 1011 | 76% | 11 NNE | 21% 0 mm. |
| 14:00 | Patchy rain nearby 20.9°C | 1011 | 88% | 13 NE | 20% 0 mm. |
| 15:00 | Patchy rain nearby 21.7°C | 1011 | 83% | 12 NE | 21% 0 mm. |
| 16:00 | Patchy rain nearby 20.7°C | 1011 | 88% | 13 ENE | 24% 0 mm. |
| 17:00 | Cloudy 19.9°C | 1011 | 91% | 15 ENE | 25% 0 mm. |
| 18:00 | Patchy rain nearby 19.6°C | 1012 | 92% | 14 ENE | 22% 0 mm. |
| 19:00 | Partly Cloudy 19.4°C | 1012 | 93% | 12 ENE | 18% 0 mm. |
| 20:00 | Mist 18.7°C | 1012 | 96% | 9 ENE | 24% 0 mm. |
| 21:00 | Mist 18.7°C | 1013 | 96% | 8 ENE | 21% 0 mm. |
| 22:00 | Mist 18.6°C | 1013 | 96% | 5 NE | 20% 0 mm. |
| 23:00 | Mist 18.5°C | 1013 | 96% | 5 NE | 21% 0 mm. |
| TOMORROW | |||||
| 00:00 | Mist 18.3°C | 1013 | 96% | 2 NNE | 34% 0 mm. |
| 01:00 | Mist 18.1°C | 1013 | 96% | 4 WNW | 39% 0 mm. |
| 02:00 | Mist 17.8°C | 1012 | 97% | 7 W | 39% 0 mm. |
| 03:00 | Fog 17.6°C | 1012 | 97% | 7 W | 42% 0 mm. |
| 04:00 | Fog 17.6°C | 1012 | 97% | 7 W | 42% 0 mm. |
| 05:00 | Fog 17.5°C | 1012 | 97% | 7 W | 42% 0 mm. |
| 06:00 | Fog 17.4°C | 1012 | 97% | 7 WSW | 42% 0 mm. |
| 07:00 | Mist 17.8°C | 1013 | 97% | 7 W | 23% 0 mm. |