| Sun May 19 | Mon May 20 | Tue May 21 | Wed May 22 | |
| Tmin 18-06 |
50°F | 50°F | 53°F | 46°F |
| Tmax 06-18 |
66°F | 66°F | 66°F | 66°F |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
| Nearby Forecast Locations - Portsmouth | Distance |
| Fareham | 6.0 km |
| Gosport | 7.3 km |
| Hamble-le-Rice | 9.0 km |
| Southampton | 17.0 km |
| Chichester | 21.2 km |
| Lymington | 21.8 km |
| Isle of Wight | 24.8 km |
| Petersfield | 29.9 km |
| Forecast: Portsmouth Region In the next few days, it's mostly cloudy. But on Sunday rain is to be expected. With a high around 18 degrees it's mild. |