Weather forecast Portsmouth
Today 21 August
18°C
Light rain expected
13°C / 20°C
63%
20.5 Km/h
SATURDAY
16°C
12.9 / 19.7
SUNDAY
18°C
15.6 / 19.9
MONDAY
19°C
16.5 / 21.2
TUESDAY
19°C
18.2 / 20.6
WEDNESDAY
20°C
18.8 / 20.7
THURSDAY
19°C
17.2 / 20.0
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Today's weather forecast for Portsmouth
Morning
13°C
Perceived 9°C
Afternoon
19°C
Perceived 16°C
Evening
18°C
Perceived 13°C
Night
15°C
Perceived 12°C
The sun will rise at 06:01 and will set at 20:13
UV index: 0.2 (minimum)
| Time | Forecast | Pressure hPa | Humidity | Wind km/h | Rain |
| 18:00 | Patchy rain nearby 17.5°C | 1014 | 63% | 20 W | 18% 0 mm. |
| 19:00 | Patchy rain nearby 17.4°C | 1015 | 63% | 18 WSW | 19% 0 mm. |
| 20:00 | Patchy rain nearby 17.8°C | 1015 | 60% | 11 WSW | 14% 0 mm. |
| 21:00 | Overcast 17.6°C | 1016 | 58% | 10 WNW | 12% 0 mm. |
| 22:00 | Overcast 17.2°C | 1017 | 62% | 22 WNW | 15% 0 mm. |
| 23:00 | Partly Cloudy 17°C | 1017 | 58% | 21 NNW | 5% 0 mm. |
| TOMORROW | |||||
| 00:00 | Clear 15.9°C | 1018 | 64% | 23 NNE | 5% 0 mm. |
| 01:00 | Clear 14.7°C | 1018 | 75% | 23 NNE | 8% 0 mm. |
| 02:00 | Clear 14.2°C | 1019 | 80% | 23 NE | 10% 0 mm. |
| 03:00 | Clear 13.6°C | 1019 | 84% | 21 NNE | 11% 0 mm. |
| 04:00 | Clear 13.2°C | 1019 | 83% | 20 NNE | 11% 0 mm. |
| 05:00 | Clear 13°C | 1020 | 80% | 21 NNE | 9% 0 mm. |
| 06:00 | Clear 12.9°C | 1021 | 75% | 19 NE | 8% 0 mm. |
| 07:00 | Sunny 13.1°C | 1022 | 72% | 17 NE | 7% 0 mm. |
| 08:00 | Sunny 14.1°C | 1023 | 65% | 16 NE | 5% 0 mm. |
| 09:00 | Sunny 15.4°C | 1023 | 57% | 15 NE | 3% 0 mm. |
| 10:00 | Sunny 16.7°C | 1023 | 50% | 14 NE | 2% 0 mm. |
| 11:00 | Sunny 17.8°C | 1023 | 45% | 11 NE | 1% 0 mm. |
| 12:00 | Sunny 18.7°C | 1023 | 39% | 6 NE | 1% 0 mm. |
| 13:00 | Sunny 19.5°C | 1023 | 38% | 4 SSE | 1% 0 mm. |
| 14:00 | Sunny 19.6°C | 1023 | 42% | 10 S | 1% 0 mm. |
| 15:00 | Sunny 19.3°C | 1023 | 45% | 16 S | 1% 0 mm. |
| 16:00 | Sunny 19.5°C | 1023 | 46% | 18 S | 2% 0 mm. |
| 17:00 | Cloudy 19.7°C | 1023 | 48% | 20 SSW | 8% 0 mm. |