Yes
you do need a jacket based on the weather in Williamstown, MA 01267, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool.
52°F11°C & Clear
Wind is 6 mph9 km/h from the NW, gusting to 13 mph21 km/h
| April 25 | ||||
| 5pm | 52°F11°C | 5 mph8 km/h NW | Clear | |
| 6pm | 51°F11°C | 4 mph7 km/h NW | Clear | |
| 7pm | 49°F9°C | 2 mph4 km/h NW | Clear | |
| 8pm | 44°F7°C | 1 mph2 km/h N | Clear | |
| 9pm | 42°F5°C | 2 mph4 km/h SE | Clear | |
| 10pm | 39°F4°C | 3 mph5 km/h W | Clear | |
| 11pm | 37°F3°C | 3 mph4 km/h N | Clear | |
| April 26 | ||||
| 12am | 36°F2°C | 2 mph3 km/h NE | Clear | |
| 1am | 34°F1°C | 4 mph6 km/h NE | Clear | |
| 2am | 33°F0°C | 3 mph4 km/h E | Clear | |
| 3am | 31°F-1°C | 3 mph5 km/h NE | Clear | |
| 4am | 30°F-1°C | 3 mph5 km/h NE | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 25 | 27°F-3°C | 52°F11°C | 5 mph8 km/h from NW | Clear | Clear |
| April 26 | 28°F-2°C | 58°F14°C | 3 mph5 km/h from NW | Clear | Clear |
| April 27 | 31°F-0°C | 62°F17°C | 7 mph11 km/h from S | Mostly Cloudy | Drizzle |
| April 28 | 43°F6°C | 71°F22°C | 4 mph7 km/h from SW | Drizzle | Mostly Cloudy |
| April 29 | 56°F13°C | 74°F24°C | 3 mph5 km/h from NW | Mostly Cloudy | Partly Cloudy |
| April 30 | 55°F13°C | 72°F22°C | 7 mph12 km/h from S | Thunderstorms | Rain |
| May 1 | 52°F11°C | 70°F21°C | 4 mph6 km/h from SW | Mostly Cloudy | Drizzle |
Yes
Low of 28°F-3°C, High of 57°F14°CWind: 3 mph5 km/h
Precipitation: None