No
you don't need a jacket based on the weather in Portsmouth, UK 1 second ago
67°F19°C & Mostly Clear
Wind is 7 mph12 km/h from the E, gusting to 12 mph20 km/h
| September 20 | ||||
| 2pm | 66°F19°C | 8 mph12 km/h NE | Mostly Clear | |
| 3pm | 65°F18°C | 9 mph15 km/h NE | Mostly Clear | |
| 4pm | 63°F17°C | 10 mph17 km/h NE | Partly Cloudy | |
| 5pm | 62°F17°C | 11 mph18 km/h NE | Mostly Clear | |
| 6pm | 61°F16°C | 11 mph18 km/h NE | Mostly Clear | |
| 7pm | 61°F16°C | 11 mph17 km/h NE | Partly Cloudy | |
| 8pm | 61°F16°C | 10 mph16 km/h NE | Partly Cloudy | |
| 9pm | 60°F16°C | 9 mph14 km/h NE | Partly Cloudy | |
| 10pm | 60°F15°C | 10 mph15 km/h NE | Partly Cloudy | |
| 11pm | 59°F15°C | 10 mph15 km/h NE | Partly Cloudy | |
| September 21 | ||||
| 12am | 59°F15°C | 10 mph16 km/h NE | Partly Cloudy | |
| 1am | 59°F15°C | 10 mph16 km/h E | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 19 | 58°F14°C | 72°F22°C | 9 mph15 km/h from NE | Partly Cloudy | Partly Cloudy |
| September 20 | 59°F15°C | 69°F21°C | 11 mph17 km/h from E | Partly Cloudy | Rain |
| September 21 | 60°F16°C | 66°F19°C | 8 mph12 km/h from SE | Rain | Rain |
| September 22 | 58°F15°C | 65°F18°C | 10 mph15 km/h from SW | Drizzle | Partly Cloudy |
| September 23 | 54°F12°C | 64°F18°C | 7 mph11 km/h from SW | Mostly Cloudy | Drizzle |
| September 24 | 59°F15°C | 64°F18°C | 17 mph27 km/h from SW | Rain | Drizzle |
| September 25 | 53°F11°C | 61°F16°C | 11 mph18 km/h from W | Rain | Drizzle |
No
Low of 59°F15°C, High of 69°F21°CWind: 11 mph17 km/h
Precipitation: 32% rain