No
you don't need a jacket based on the weather in Portsmouth, UK 3 minutes ago
69°F21°C & Mostly Clear
Wind is 11 mph17 km/h from the West, gusting to 17 mph28 km/h
| July 16 | ||||
| 6am | 71°F22°C | 10 mph17 km/h West | Mostly Clear | |
| 7am | 73°F23°C | 11 mph17 km/h West | Partly Cloudy | |
| 8am | 74°F23°C | 11 mph18 km/h West | Partly Cloudy | |
| 9am | 75°F24°C | 11 mph18 km/h West | Partly Cloudy | |
| 10am | 76°F24°C | 11 mph18 km/h West | Mostly Cloudy | |
| 11am | 75°F24°C | 12 mph19 km/h West | Mostly Cloudy | |
| 12pm | 75°F24°C | 11 mph18 km/h West | Mostly Cloudy | |
| 1pm | 75°F24°C | 11 mph18 km/h West | Partly Cloudy | |
| 2pm | 73°F23°C | 10 mph16 km/h West | Mostly Cloudy | |
| 3pm | 71°F22°C | 9 mph14 km/h West | Partly Cloudy | |
| 4pm | 70°F21°C | 7 mph12 km/h West | Partly Cloudy | |
| 5pm | 68°F20°C | 6 mph10 km/h West | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| July 15 | 59°F15°C | 76°F24°C | 11 mph17 km/h from West | Partly Cloudy | Mostly Cloudy |
| July 16 | 64°F18°C | 76°F24°C | 9 mph14 km/h from Southwest | Mostly Cloudy | Mostly Cloudy |
| July 17 | 62°F17°C | 74°F23°C | 6 mph9 km/h from South | Partly Cloudy | Rain |
| July 18 | 62°F17°C | 71°F22°C | 10 mph16 km/h from Southwest | Rain | Rain |
| July 19 | 60°F16°C | 68°F20°C | 14 mph22 km/h from South | Drizzle | Drizzle |
| July 20 | 59°F15°C | 67°F20°C | 14 mph22 km/h from Southwest | Rain | Drizzle |
| July 21 | 60°F15°C | 68°F20°C | 15 mph23 km/h from West | Rain | Drizzle |
No
Low of 64°F18°C, High of 76°F25°CWind: 9 mph14 km/h
Precipitation: 6% rain