Yes
you do need a jacket based on the weather in Portsmouth, UK 1 second ago
Why? Because it's so windy, your hat will probably launch into orbit!
66°F19°C & Windy
Wind is 16 mph26 km/h from the Southwest, gusting to 29 mph46 km/h
| September 18 | ||||
| 9am | 67°F19°C | 17 mph27 km/h Southwest | Windy | |
| 10am | 67°F19°C | 16 mph26 km/h Southwest | Windy | |
| 11am | 66°F19°C | 15 mph25 km/h Southwest | Windy | |
| 12pm | 66°F19°C | 13 mph21 km/h Southwest | Cloudy | |
| 1pm | 65°F19°C | 12 mph20 km/h Southwest | Cloudy | |
| 2pm | 65°F18°C | 12 mph19 km/h Southwest | Cloudy | |
| 3pm | 64°F18°C | 10 mph17 km/h Southwest | Cloudy | |
| 4pm | 64°F18°C | 9 mph15 km/h Southwest | Cloudy | |
| 5pm | 64°F18°C | 8 mph13 km/h Southwest | Mostly Cloudy | |
| 6pm | 64°F18°C | 7 mph11 km/h Southwest | Mostly Cloudy | |
| 7pm | 63°F17°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| 8pm | 63°F17°C | 6 mph10 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 17 | 63°F17°C | 67°F19°C | 14 mph22 km/h from Southwest | Cloudy | Mostly Cloudy |
| September 18 | 61°F16°C | 71°F22°C | 7 mph11 km/h from South | Partly Cloudy | Partly Cloudy |
| September 19 | 57°F14°C | 68°F20°C | 13 mph21 km/h from Southwest | Drizzle | Windy |
| September 20 | 52°F11°C | 60°F15°C | 16 mph26 km/h from West | Windy | Mostly Cloudy |
| September 21 | 48°F9°C | 60°F15°C | 16 mph25 km/h from Northeast | Drizzle | Mostly Clear |
| September 22 | 44°F7°C | 60°F16°C | 10 mph17 km/h from North | Mostly Clear | Partly Cloudy |
| September 23 | 48°F9°C | 61°F16°C | 9 mph14 km/h from Northeast | Partly Cloudy | Partly Cloudy |
No
Low of 61°F16°C, High of 71°F22°CWind: 7 mph11 km/h
Precipitation: None