Weather forecast for: Acton MA
Last Update: 7:40 am EDT Sep 19, 2026
This Afternoon: Mostly sunny, with a high near 66. Light east wind.
Tonight: Partly cloudy, with a low around 45. Light and variable wind.
Sunday: Showers, mainly after 2pm. Patchy fog after 2pm. High near 62. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night: Showers, mainly before 2am. Patchy fog before 9pm. Low around 49. Light and variable wind becoming north around 6 mph after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday: Partly sunny, with a high near 66. North wind around 7 mph.
Monday Night: Mostly cloudy, with a low around 46. Calm wind becoming north around 5 mph after midnight.
Tuesday: Partly sunny, with a high near 61. Northeast wind 5 to 8 mph.
Tuesday Night: Mostly cloudy, with a low around 45. Calm wind becoming northeast around 5 mph after midnight.
Wednesday: Partly sunny, with a high near 62. East wind 7 to 10 mph, with gusts as high as 25 mph.
Wednesday Night: Mostly cloudy, with a low around 45. Northeast wind 3 to 6 mph.
Thursday: A chance of showers. Mostly cloudy, with a high near 61. Northeast wind 7 to 9 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Thursday Night: A chance of showers. Mostly cloudy, with a low around 46. North wind around 8 mph. Chance of precipitation is 30%.
Friday: A chance of showers. Partly sunny, with a high near 62. North wind around 10 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.