No
you don't need a jacket based on the weather in Amherst, MA, USA 1 second ago
62°F17°C & Mostly Clear
Wind is 2 mph3 km/h from the South, gusting to 8 mph13 km/h
| September 15 | ||||
| 11pm | 61°F16°C | 3 mph4 km/h Southwest | Mostly Clear | |
| September 16 | ||||
| 12am | 60°F16°C | 3 mph5 km/h Southeast | Mostly Clear | |
| 1am | 60°F15°C | 3 mph5 km/h East | Mostly Cloudy | |
| 2am | 59°F15°C | 2 mph4 km/h East | Mostly Cloudy | |
| 3am | 58°F14°C | 3 mph4 km/h Northeast | Mostly Cloudy | |
| 4am | 57°F14°C | 3 mph4 km/h Northeast | Mostly Cloudy | |
| 5am | 56°F14°C | 3 mph5 km/h North | Mostly Cloudy | |
| 6am | 56°F13°C | 2 mph3 km/h Northeast | Mostly Cloudy | |
| 7am | 55°F13°C | 3 mph4 km/h North | Mostly Cloudy | |
| 8am | 59°F15°C | 3 mph4 km/h North | Mostly Cloudy | |
| 9am | 63°F17°C | 2 mph4 km/h North | Mostly Cloudy | |
| 10am | 68°F20°C | 2 mph3 km/h North | Partly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 15 | 55°F13°C | 80°F27°C | 1 mph2 km/h from Northwest | Mostly Clear | Partly Cloudy |
| September 16 | 55°F13°C | 76°F25°C | 4 mph7 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 17 | 52°F11°C | 73°F23°C | 3 mph4 km/h from East | Mostly Cloudy | Mostly Cloudy |
| September 18 | 59°F15°C | 75°F24°C | 2 mph3 km/h from West | Partly Cloudy | Mostly Clear |
| September 19 | 55°F13°C | 76°F24°C | 7 mph11 km/h from North | Mostly Clear | Clear |
| September 20 | 48°F9°C | 70°F21°C | 3 mph4 km/h from North | Clear | Clear |
| September 21 | 49°F9°C | 72°F22°C | 6 mph9 km/h from South | Partly Cloudy | Mostly Clear |
Yes
Low of 55°F13°C, High of 76°F25°CWind: 4 mph7 km/h
Precipitation: None