Yes
you do need a jacket based on the weather in Greenfield, MA 01301, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool!
51°F11°C & Mostly Clear
Wind is 1 mph2 km/h from the South, gusting to 2 mph4 km/h
| September 13 | ||||
| 4am | 51°F11°C | 1 mph2 km/h South | Mostly Clear | |
| 5am | 51°F10°C | 2 mph3 km/h South | Mostly Clear | |
| 6am | 50°F10°C | 1 mph2 km/h South | Partly Cloudy | |
| 7am | 51°F11°C | 2 mph3 km/h Northwest | Partly Cloudy | |
| 8am | 55°F13°C | 1 mph2 km/h South | Haze | |
| 9am | 60°F16°C | 3 mph5 km/h South | Mostly Cloudy | |
| 10am | 64°F18°C | 4 mph6 km/h South | Mostly Cloudy | |
| 11am | 68°F20°C | 4 mph7 km/h South | Partly Cloudy | |
| 12pm | 72°F22°C | 4 mph7 km/h South | Partly Cloudy | |
| 1pm | 74°F23°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 2pm | 75°F24°C | 4 mph6 km/h Southwest | Partly Cloudy | |
| 3pm | 76°F24°C | 4 mph6 km/h Southwest | Mostly Cloudy | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| September 13 | 50°F10°C | 76°F25°C | 3 mph5 km/h from Southwest | Mostly Cloudy | Partly Cloudy |
| September 14 | 55°F13°C | 77°F25°C | 3 mph5 km/h from North | Mostly Clear | Clear |
| September 15 | 53°F12°C | 78°F26°C | 3 mph4 km/h from Northeast | Mostly Clear | Mostly Clear |
| September 16 | 53°F12°C | 80°F27°C | 2 mph3 km/h from Southwest | Mostly Clear | Mostly Clear |
| September 17 | 52°F11°C | 79°F26°C | 2 mph4 km/h from Southeast | Partly Cloudy | Mostly Cloudy |
| September 18 | 56°F13°C | 75°F24°C | 3 mph4 km/h from South | Mostly Cloudy | Partly Cloudy |
| September 19 | 59°F15°C | 80°F27°C | 4 mph6 km/h from Northwest | Mostly Clear | Partly Cloudy |
Yes
Low of 55°F13°C, High of 77°F25°CWind: 3 mph5 km/h
Precipitation: None