No
you don't need a jacket based on the weather in Portsmouth, UK 1 second ago
59°F15°C & Cloudy
Wind is 4 mph6 km/h from the West, gusting to 7 mph11 km/h
| May 30 | ||||
| 8pm | 59°F15°C | 3 mph6 km/h West | Cloudy | |
| 9pm | 58°F15°C | 3 mph5 km/h West | Cloudy | |
| 10pm | 58°F14°C | 3 mph4 km/h West | Cloudy | |
| 11pm | 58°F14°C | 3 mph5 km/h West | Cloudy | |
| May 31 | ||||
| 12am | 57°F14°C | 2 mph4 km/h West | Cloudy | |
| 1am | 58°F14°C | 3 mph4 km/h West | Cloudy | |
| 2am | 59°F15°C | 2 mph3 km/h West | Mostly Cloudy | |
| 3am | 61°F16°C | 3 mph4 km/h West | Mostly Cloudy | |
| 4am | 63°F17°C | 3 mph4 km/h Southwest | Mostly Clear | |
| 5am | 66°F19°C | 5 mph7 km/h Southwest | Mostly Clear | |
| 6am | 68°F20°C | 6 mph10 km/h Southwest | Mostly Clear | |
| 7am | 69°F20°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 30 | 57°F14°C | 70°F21°C | 9 mph14 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| May 31 | 56°F13°C | 64°F18°C | 15 mph25 km/h from Southwest | Windy | Mostly Clear |
| June 1 | 52°F11°C | 66°F19°C | 10 mph16 km/h from West | Mostly Clear | Partly Cloudy |
| June 2 | 54°F12°C | 63°F17°C | 20 mph33 km/h from Southwest | Drizzle | Partly Cloudy |
| June 3 | 51°F10°C | 62°F17°C | 14 mph23 km/h from West | Partly Cloudy | Mostly Cloudy |
| June 4 | 50°F10°C | 61°F16°C | 14 mph22 km/h from Southwest | Drizzle | Mostly Cloudy |
| June 5 | 53°F12°C | 66°F19°C | 19 mph31 km/h from Southwest | Windy | Windy |
Yes
Low of 55°F13°C, High of 64°F18°CWind: 15 mph25 km/h
Precipitation: None