Yes
you do need a jacket based on the weather in Portsmouth, UK 1 second ago
Why? Because it's so windy, you’re practically horizontal just trying to walk!
65°F18°C & Windy
Wind is 17 mph27 km/h from the Southwest, gusting to 30 mph48 km/h
| September 17 | ||||
| 3pm | 65°F18°C | 17 mph27 km/h Southwest | Windy | |
| 4pm | 64°F18°C | 16 mph26 km/h Southwest | Windy | |
| 5pm | 64°F18°C | 16 mph26 km/h Southwest | Windy | |
| 6pm | 64°F18°C | 16 mph26 km/h Southwest | Windy | |
| 7pm | 64°F18°C | 15 mph25 km/h Southwest | Windy | |
| 8pm | 63°F17°C | 15 mph23 km/h Southwest | Cloudy | |
| 9pm | 63°F17°C | 15 mph23 km/h Southwest | Cloudy | |
| 10pm | 63°F17°C | 15 mph23 km/h Southwest | Cloudy | |
| 11pm | 63°F17°C | 14 mph23 km/h Southwest | Cloudy | |
| September 18 | ||||
| 12am | 62°F17°C | 14 mph23 km/h Southwest | Cloudy | |
| 1am | 63°F17°C | 14 mph23 km/h Southwest | Cloudy | |
| 2am | 63°F17°C | 14 mph23 km/h Southwest | Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 16 | 58°F14°C | 65°F18°C | 16 mph26 km/h from Southwest | Drizzle | Windy |
| September 17 | 62°F17°C | 67°F19°C | 15 mph24 km/h from Southwest | Cloudy | Mostly Cloudy |
| September 18 | 59°F15°C | 71°F22°C | 7 mph12 km/h from South | Mostly Clear | Partly Cloudy |
| September 19 | 55°F13°C | 67°F20°C | 11 mph18 km/h from Southwest | Drizzle | Windy |
| September 20 | 49°F9°C | 59°F15°C | 14 mph23 km/h from West | Drizzle | Drizzle |
| September 21 | 46°F8°C | 61°F16°C | 13 mph21 km/h from North | Drizzle | Mostly Clear |
| September 22 | 46°F8°C | 59°F15°C | 11 mph18 km/h from North | Partly Cloudy | Mostly Cloudy |
No
Low of 63°F17°C, High of 67°F20°CWind: 15 mph24 km/h
Precipitation: None