Acton, MA Weather Forecast
Middlesex County, Massachusetts
Live radar, warnings and storm tracking for Acton, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Acton
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Acton, MA at a glance
Acton is home to about 24,029 people in Middlesex County, across 20 square miles. It ranks 85th by population of 283 places in Massachusetts with a forecast here. The nearest neighbour with its own forecast is Concord, 4 miles away.
- County
- Middlesex County
- Population
- 24,029 2023 est.
- Land area
- 20 sq mi
- People per sq mi
- 1,209
- Forecast point
- 42.4840°N, 71.4385°W
How well can the network see Acton?
The nearest Doppler radar is KBOX (Boston, MA), to the SSE. Its lowest scan passes about 2,600 ft above Acton. Close enough to see rotation in the low part of a storm, where tornadoes form. Acton is closer to its radar than 57% of US cities.
The closest weather station is KBED (Bedford/Hanscom Fld). Representative on most days, though a thunderstorm can hit one and miss the other.
Forecasts near Acton
- Concord, MA4 mi
- Maynard, MA4 mi
- Boxborough, MA4 mi
- Littleton, MA4 mi
- Stow, MA5 mi
- Carlisle, MA5 mi
- Sudbury, MA7 mi
- Westford, MA7 mi
Elsewhere in Massachusetts
BostonWorcesterSpringfieldCambridgeLowellBrocktonAll Massachusetts forecasts →