No
you don't need a jacket based on the weather in Portsmouth, UK 1 second ago
68°F20°C & Mostly Cloudy
Wind is 6 mph9 km/h from the Southwest, gusting to 11 mph17 km/h
| May 2 | ||||
| 8am | 69°F21°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| 9am | 70°F21°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 10am | 71°F22°C | 6 mph10 km/h Southwest | Partly Cloudy | |
| 11am | 70°F21°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 12pm | 69°F21°C | 7 mph12 km/h Southwest | Partly Cloudy | |
| 1pm | 69°F20°C | 6 mph9 km/h Southwest | Partly Cloudy | |
| 2pm | 67°F19°C | 5 mph7 km/h Southwest | Partly Cloudy | |
| 3pm | 64°F18°C | 4 mph6 km/h West | Partly Cloudy | |
| 4pm | 61°F16°C | 3 mph5 km/h West | Partly Cloudy | |
| 5pm | 60°F16°C | 3 mph5 km/h Northwest | Mostly Clear | |
| 6pm | 59°F15°C | 5 mph7 km/h East | Partly Cloudy | |
| 7pm | 57°F14°C | 7 mph12 km/h East | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 1 | 55°F13°C | 71°F22°C | 5 mph8 km/h from Southwest | Partly Cloudy | Partly Cloudy |
| May 2 | 54°F12°C | 69°F20°C | 7 mph12 km/h from North | Partly Cloudy | Mostly Clear |
| May 3 | 47°F8°C | 58°F14°C | 14 mph23 km/h from Northeast | Partly Cloudy | Mostly Clear |
| May 4 | 42°F6°C | 58°F15°C | 14 mph23 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| May 5 | 44°F7°C | 60°F15°C | 10 mph15 km/h from Northeast | Partly Cloudy | Partly Cloudy |
| May 6 | 46°F8°C | 59°F15°C | 9 mph14 km/h from Northeast | Mostly Cloudy | Partly Cloudy |
| May 7 | 46°F8°C | 64°F18°C | 9 mph15 km/h from Northeast | Partly Cloudy | Mostly Clear |
Yes
Low of 54°F12°C, High of 69°F21°CWind: 7 mph12 km/h
Precipitation: None