No
you don't need a jacket based on the weather in Portsmouth, NH 03801, USA 1 second ago
64°F18°C & Mostly Clear
Wind is 4 mph7 km/h from the South, gusting to 12 mph20 km/h
| September 2 | ||||
| 9pm | 63°F17°C | 4 mph6 km/h South | Clear | |
| 10pm | 61°F16°C | 4 mph6 km/h South | Clear | |
| 11pm | 60°F16°C | 4 mph6 km/h South | Clear | |
| September 3 | ||||
| 12am | 59°F15°C | 3 mph5 km/h Southwest | Mostly Clear | |
| 1am | 59°F15°C | 3 mph5 km/h Southwest | Partly Cloudy | |
| 2am | 58°F15°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| 3am | 58°F14°C | 3 mph4 km/h Southwest | Partly Cloudy | |
| 4am | 57°F14°C | 2 mph4 km/h Southwest | Partly Cloudy | |
| 5am | 57°F14°C | 2 mph3 km/h Southwest | Mostly Clear | |
| 6am | 56°F13°C | 2 mph3 km/h Southwest | Mostly Clear | |
| 7am | 57°F14°C | 2 mph4 km/h Southwest | Mostly Clear | |
| 8am | 61°F16°C | 2 mph4 km/h Southwest | Mostly Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 2 | 56°F13°C | 76°F25°C | 4 mph7 km/h from South | Mostly Clear | Mostly Clear |
| September 3 | 56°F13°C | 72°F22°C | 7 mph11 km/h from Southeast | Clear | Mostly Clear |
| September 4 | 56°F14°C | 74°F23°C | 8 mph13 km/h from Southeast | Mostly Clear | Partly Cloudy |
| September 5 | 63°F17°C | 78°F26°C | 9 mph15 km/h from South | Drizzle | Mostly Clear |
| September 6 | 64°F18°C | 80°F27°C | 9 mph14 km/h from South | Thunderstorms | Rain |
| September 7 | 57°F14°C | 71°F22°C | 5 mph8 km/h from West | Drizzle | Clear |
| September 8 | 53°F12°C | 70°F21°C | 5 mph8 km/h from South | Clear | Mostly Clear |
Yes
Low of 56°F14°C, High of 73°F23°CWind: 7 mph11 km/h
Precipitation: None