No
you don't need a jacket based on the weather in Portsmouth, UK 1 second ago
60°F15°C & Mostly Clear
Wind is 9 mph15 km/h from the Southwest, gusting to 17 mph28 km/h
| September 7 | ||||
| 11pm | 60°F15°C | 9 mph14 km/h Southwest | Mostly Clear | |
| September 8 | ||||
| 12am | 59°F15°C | 8 mph13 km/h West | Mostly Clear | |
| 1am | 58°F15°C | 8 mph13 km/h West | Mostly Clear | |
| 2am | 58°F14°C | 7 mph11 km/h West | Mostly Clear | |
| 3am | 59°F15°C | 7 mph11 km/h West | Mostly Clear | |
| 4am | 61°F16°C | 8 mph13 km/h West | Partly Cloudy | |
| 5am | 62°F17°C | 10 mph15 km/h West | Mostly Clear | |
| 6am | 64°F18°C | 11 mph18 km/h West | Mostly Clear | |
| 7am | 65°F18°C | 12 mph19 km/h Southwest | Mostly Clear | |
| 8am | 66°F19°C | 12 mph20 km/h Southwest | Mostly Clear | |
| 9am | 67°F19°C | 12 mph20 km/h Southwest | Mostly Clear | |
| 10am | 67°F19°C | 12 mph20 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 7 | 58°F14°C | 67°F19°C | 11 mph17 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 8 | 57°F14°C | 66°F19°C | 9 mph15 km/h from South | Mostly Cloudy | Mostly Cloudy |
| September 9 | 58°F15°C | 65°F19°C | 15 mph24 km/h from South | Rain | Drizzle |
| September 10 | 54°F12°C | 63°F17°C | 18 mph29 km/h from Southwest | Rain | Drizzle |
| September 11 | 54°F12°C | 62°F17°C | 17 mph28 km/h from West | Drizzle | Drizzle |
| September 12 | 52°F11°C | 61°F16°C | 16 mph26 km/h from Southwest | Drizzle | Rain |
| September 13 | 58°F14°C | 66°F19°C | 17 mph27 km/h from Southwest | Rain | Rain |
Yes
Low of 57°F14°C, High of 66°F19°CWind: 9 mph15 km/h
Precipitation: 20% rain