Yes
you do need a jacket based on the weather in Portsmouth, UK 1 second ago
Why? Because it's cool enough your breath is visible, but your nose isn’t red yet!
36°F2°C & Mostly Clear
Wind is 9 mph15 km/h from the North, gusting to 17 mph27 km/h
| March 13 | ||||
| 1am | 35°F2°C | 10 mph15 km/h North | Mostly Clear | |
| 2am | 35°F2°C | 10 mph17 km/h North | Mostly Cloudy | |
| 3am | 36°F2°C | 11 mph17 km/h North | Partly Cloudy | |
| 4am | 37°F3°C | 12 mph19 km/h North | Partly Cloudy | |
| 5am | 38°F4°C | 12 mph19 km/h North | Mostly Cloudy | |
| 6am | 40°F5°C | 11 mph19 km/h North | Mostly Cloudy | |
| 7am | 42°F6°C | 11 mph18 km/h North | Mostly Cloudy | |
| 8am | 43°F6°C | 11 mph18 km/h North | Mostly Cloudy | |
| 9am | 45°F7°C | 10 mph16 km/h North | Mostly Cloudy | |
| 10am | 46°F8°C | 10 mph17 km/h North | Mostly Cloudy | |
| 11am | 45°F7°C | 9 mph14 km/h North | Mostly Cloudy | |
| 12pm | 44°F7°C | 10 mph16 km/h North | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| March 12 | 35°F2°C | 46°F8°C | 10 mph17 km/h from North | Mostly Cloudy | Mostly Clear |
| March 13 | 34°F1°C | 46°F8°C | 8 mph13 km/h from Northeast | Mostly Cloudy | Mostly Clear |
| March 14 | 36°F2°C | 46°F8°C | 13 mph22 km/h from Northeast | Partly Cloudy | Mostly Clear |
| March 15 | 34°F1°C | 48°F9°C | 13 mph20 km/h from Northeast | Mostly Clear | Mostly Clear |
| March 16 | 37°F3°C | 49°F9°C | 12 mph19 km/h from East | Partly Cloudy | Partly Cloudy |
| March 17 | 39°F4°C | 49°F9°C | 13 mph20 km/h from Southeast | Mostly Clear | Partly Cloudy |
| March 18 | 43°F6°C | 50°F10°C | 11 mph18 km/h from Southeast | Mostly Cloudy | Mostly Cloudy |
Yes
Low of 34°F1°C, High of 46°F8°CWind: 8 mph13 km/h
Precipitation: None