Yes
you do need a jacket based on the weather in Petersham, MA, USA 1 second ago
Why? Because it's pretty chilly.
55°F13°C & Clear
Wind is 2 mph4 km/h from the NW, gusting to 9 mph14 km/h
| April 26 | ||||
| 2pm | 56°F14°C | 3 mph5 km/h NW | Clear | |
| 3pm | 58°F14°C | 3 mph5 km/h NW | Clear | |
| 4pm | 58°F15°C | 4 mph6 km/h NW | Clear | |
| 5pm | 58°F14°C | 5 mph7 km/h NW | Clear | |
| 6pm | 56°F13°C | 4 mph7 km/h NW | Clear | |
| 7pm | 52°F11°C | 3 mph4 km/h NW | Clear | |
| 8pm | 47°F8°C | 3 mph4 km/h N | Clear | |
| 9pm | 43°F6°C | 3 mph5 km/h NE | Clear | |
| 10pm | 41°F5°C | 3 mph6 km/h E | Clear | |
| 11pm | 39°F4°C | 5 mph8 km/h SE | Clear | |
| April 27 | ||||
| 12am | 37°F3°C | 4 mph7 km/h S | Clear | |
| 1am | 36°F2°C | 4 mph6 km/h S | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 26 | 27°F-3°C | 58°F15°C | 4 mph6 km/h from N | Clear | Clear |
| April 27 | 32°F0°C | 63°F17°C | 6 mph9 km/h from SW | Partly Cloudy | Drizzle |
| April 28 | 41°F5°C | 69°F21°C | 7 mph12 km/h from SW | Mostly Cloudy | Mostly Cloudy |
| April 29 | 54°F12°C | 75°F24°C | 6 mph9 km/h from N | Partly Cloudy | Rain |
| April 30 | 48°F9°C | 60°F15°C | 7 mph12 km/h from SE | Rain | Rain |
| May 1 | 45°F7°C | 59°F15°C | 4 mph7 km/h from E | Mostly Cloudy | Mostly Cloudy |
| May 2 | 45°F7°C | 68°F20°C | 6 mph10 km/h from SW | Mostly Cloudy | Drizzle |
Yes
Low of 32°F0°C, High of 63°F17°CWind: 6 mph9 km/h
Precipitation: None