No
you don't need a jacket based on the weather in Portsmouth, UK 1 second ago
59°F15°C & Mostly Cloudy
Wind is 9 mph15 km/h from the Northeast, gusting to 18 mph29 km/h
| May 7 | ||||
| 8am | 59°F15°C | 10 mph16 km/h Northeast | Mostly Cloudy | |
| 9am | 61°F16°C | 10 mph16 km/h Northeast | Mostly Cloudy | |
| 10am | 61°F16°C | 10 mph16 km/h Northeast | Cloudy | |
| 11am | 62°F17°C | 10 mph16 km/h Northeast | Cloudy | |
| 12pm | 62°F16°C | 9 mph15 km/h Northeast | Cloudy | |
| 1pm | 61°F16°C | 8 mph13 km/h Northeast | Cloudy | |
| 2pm | 60°F15°C | 8 mph13 km/h Northeast | Cloudy | |
| 3pm | 58°F14°C | 9 mph14 km/h East | Cloudy | |
| 4pm | 56°F13°C | 7 mph11 km/h Northeast | Cloudy | |
| 5pm | 54°F12°C | 6 mph10 km/h Northeast | Mostly Cloudy | |
| 6pm | 53°F11°C | 7 mph12 km/h East | Cloudy | |
| 7pm | 51°F11°C | 7 mph11 km/h Northeast | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| May 6 | 44°F7°C | 62°F17°C | 8 mph13 km/h from Northeast | Mostly Cloudy | Mostly Cloudy |
| May 7 | 45°F7°C | 63°F17°C | 9 mph15 km/h from Northeast | Partly Cloudy | Mostly Clear |
| May 8 | 47°F8°C | 63°F17°C | 12 mph19 km/h from East | Mostly Clear | Mostly Clear |
| May 9 | 50°F10°C | 66°F19°C | 12 mph20 km/h from East | Mostly Clear | Mostly Clear |
| May 10 | 53°F12°C | 67°F19°C | 12 mph20 km/h from East | Drizzle | Mostly Cloudy |
| May 11 | 56°F13°C | 65°F19°C | 10 mph15 km/h from East | Partly Cloudy | Partly Cloudy |
| May 12 | 54°F12°C | 67°F19°C | 7 mph12 km/h from East | Partly Cloudy | Partly Cloudy |
Yes
Low of 46°F8°C, High of 63°F17°CWind: 9 mph15 km/h
Precipitation: None