Yes
you do need a jacket based on the weather in Chelmsford, MA, USA 1 second ago
Why? Because it's cool. Pleasantly cool, but cool and it's so windy, your hat will probably launch into orbit!
51°F11°C & Windy
Wind is 17 mph27 km/h from the Northwest, gusting to 31 mph50 km/h
| April 27 | ||||
| 2pm | 51°F11°C | 17 mph27 km/h Northwest | Windy | |
| 3pm | 50°F10°C | 17 mph27 km/h Northwest | Windy | |
| 4pm | 49°F9°C | 17 mph27 km/h Northwest | Windy | |
| 5pm | 48°F9°C | 16 mph26 km/h Northwest | Windy | |
| 6pm | 48°F9°C | 15 mph24 km/h Northwest | Windy | |
| 7pm | 48°F9°C | 15 mph24 km/h Northwest | Mostly Cloudy | |
| 8pm | 47°F9°C | 14 mph22 km/h Northwest | Partly Cloudy | |
| 9pm | 48°F9°C | 13 mph21 km/h Northwest | Mostly Cloudy | |
| 10pm | 50°F10°C | 12 mph19 km/h Northwest | Mostly Cloudy | |
| 11pm | 50°F10°C | 11 mph17 km/h Northwest | Mostly Cloudy | |
| April 28 | ||||
| 12am | 50°F10°C | 10 mph16 km/h Northwest | Mostly Clear | |
| 1am | 50°F10°C | 11 mph18 km/h Northwest | Clear | |
| Date | Low | High | Wind | Day | Night |
|---|---|---|---|---|---|
| April 27 | 43°F6°C | 52°F11°C | 12 mph19 km/h from Northwest | Cloudy | Mostly Clear |
| April 28 | 48°F9°C | 72°F22°C | 8 mph13 km/h from Northwest | Clear | Mostly Clear |
| April 29 | 48°F9°C | 76°F25°C | 11 mph18 km/h from Southwest | Partly Cloudy | Mostly Cloudy |
| April 30 | 49°F10°C | 70°F21°C | 11 mph18 km/h from Northwest | Mostly Clear | Partly Cloudy |
| May 1 | 43°F6°C | 62°F17°C | 5 mph9 km/h from Southeast | Mostly Cloudy | Rain |
| May 2 | 49°F10°C | 76°F24°C | 9 mph14 km/h from South | Rain | Partly Cloudy |
| May 3 | 43°F6°C | 62°F17°C | 10 mph16 km/h from West | Partly Cloudy | Mostly Clear |
Yes
Low of 48°F9°C, High of 72°F22°CWind: 8 mph13 km/h
Precipitation: None