No
you don't need a jacket based on the weather in Portsmouth, NH 03801, USA 1 second ago
71°F22°C & Cloudy
Wind is 6 mph10 km/h from the Southwest, gusting to 13 mph21 km/h
| September 6 | ||||
| 9am | 74°F24°C | 7 mph11 km/h South | Mostly Clear | |
| 10am | 78°F26°C | 7 mph12 km/h South | Mostly Clear | |
| 11am | 80°F27°C | 9 mph14 km/h South | Mostly Clear | |
| 12pm | 81°F27°C | 10 mph16 km/h South | Mostly Clear | |
| 1pm | 82°F28°C | 12 mph19 km/h South | Mostly Clear | |
| 2pm | 83°F28°C | 14 mph22 km/h South | Mostly Clear | |
| 3pm | 80°F27°C | 13 mph21 km/h South | Mostly Cloudy | |
| 4pm | 79°F26°C | 12 mph19 km/h South | Thunderstorms | |
| 5pm | 78°F26°C | 10 mph17 km/h South | Thunderstorms | |
| 6pm | 74°F23°C | 12 mph19 km/h Southwest | Thunderstorms | |
| 7pm | 71°F22°C | 9 mph14 km/h Southwest | Thunderstorms | |
| 8pm | 70°F21°C | 6 mph10 km/h West | Thunderstorms | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 6 | 64°F18°C | 83°F28°C | 10 mph16 km/h from South | Thunderstorms | Thunderstorms |
| September 7 | 58°F14°C | 66°F19°C | 5 mph9 km/h from Northeast | Rain | Partly Cloudy |
| September 8 | 53°F12°C | 70°F21°C | 5 mph7 km/h from West | Mostly Clear | Mostly Clear |
| September 9 | 53°F11°C | 67°F20°C | 7 mph11 km/h from East | Partly Cloudy | Mostly Cloudy |
| September 10 | 53°F12°C | 68°F20°C | 6 mph9 km/h from Northeast | Cloudy | Mostly Clear |
| September 11 | 54°F12°C | 74°F23°C | 5 mph7 km/h from Northwest | Mostly Clear | Mostly Clear |
| September 12 | 52°F11°C | 65°F19°C | 8 mph12 km/h from North | Partly Cloudy | Clear |
Yes
Low of 58°F15°C, High of 66°F19°CWind: 5 mph9 km/h
Precipitation: 88% rain