No
you don't need a jacket based on the weather in Portsmouth, UK 1 second ago
63°F17°C & Cloudy
Wind is 5 mph8 km/h from the West, gusting to 12 mph19 km/h
| May 20 | ||||
| 5pm | 62°F17°C | 5 mph7 km/h West | Cloudy | |
| 6pm | 60°F16°C | 3 mph5 km/h West | Cloudy | |
| 7pm | 59°F15°C | 3 mph4 km/h West | Cloudy | |
| 8pm | 58°F15°C | 2 mph3 km/h West | Cloudy | |
| 9pm | 57°F14°C | 3 mph5 km/h Northeast | Cloudy | |
| 10pm | 57°F14°C | 4 mph6 km/h North | Cloudy | |
| 11pm | 56°F13°C | 6 mph9 km/h North | Cloudy | |
| May 21 | ||||
| 12am | 56°F13°C | 7 mph11 km/h Northwest | Cloudy | |
| 1am | 55°F13°C | 8 mph13 km/h Northwest | Cloudy | |
| 2am | 55°F13°C | 8 mph13 km/h Northwest | Drizzle | |
| 3am | 55°F13°C | 7 mph11 km/h North | Drizzle | |
| 4am | 55°F13°C | 7 mph12 km/h North | Drizzle | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 19 | 50°F10°C | 72°F22°C | 4 mph6 km/h from Northwest | Mostly Cloudy | Drizzle |
| May 20 | 55°F13°C | 61°F16°C | 5 mph8 km/h from North | Drizzle | Clear |
| May 21 | 49°F10°C | 62°F17°C | 5 mph8 km/h from South | Mostly Clear | Partly Cloudy |
| May 22 | 50°F10°C | 61°F16°C | 9 mph15 km/h from Southwest | Partly Cloudy | Cloudy |
| May 23 | 54°F12°C | 64°F18°C | 14 mph23 km/h from Southwest | Drizzle | Drizzle |
| May 24 | 55°F13°C | 64°F18°C | 16 mph26 km/h from West | Drizzle | Partly Cloudy |
| May 25 | 53°F12°C | 63°F17°C | 17 mph27 km/h from Southwest | Windy | Windy |
Yes
Low of 55°F13°C, High of 61°F16°CWind: 5 mph8 km/h
Precipitation: 77% rain