NimbocastActon, MA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Acton, Middlesex County, Massachusetts.
Updated Jul 29, 2026, 5:07 PM local time · Radar refreshes every 5 minutes
☁️
Acton
69°F
Wind 9 mph
Humidity 93%
Cloud cover 100%
UV index 2
Alerts 0
Active alerts
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No active National Weather Service alerts for Acton, MA.
Acton weather radar
Light
Heavy
Next 24 hours
Now
🌦️
69°F
87%
6 PM
☁️
67°F
71%
7 PM
🌧️
66°F
69%
8 PM
🌦️
66°F
75%
9 PM
🌦️
66°F
72%
10 PM
🌧️
66°F
64%
11 PM
🌦️
66°F
53%
12 AM
🌦️
66°F
39%
1 AM
🌧️
65°F
55%
2 AM
🌦️
65°F
55%
3 AM
🌫️
64°F
45%
4 AM
🌦️
65°F
43%
5 AM
🌦️
65°F
47%
6 AM
🌦️
64°F
39%
7 AM
🌦️
65°F
35%
8 AM
🌦️
64°F
35%
9 AM
🌦️
64°F
35%
10 AM
☁️
64°F
31%
11 AM
🌧️
64°F
28%
12 PM
☁️
65°F
25%
1 PM
☁️
64°F
28%
2 PM
☁️
64°F
26%
3 PM
☁️
64°F
22%
4 PM
☁️
64°F
20%
7-day forecast
Today
Jul 29
🌧️
71°F
65°F
95%
Thu
Jul 30
🌧️
66°F
63°F
55%
Fri
Jul 31
🌦️
79°F
64°F
25%
Sat
Aug 1
🌦️
88°F
61°F
4%
Sun
Aug 2
☁️
85°F
66°F
31%
Mon
Aug 3
🌦️
77°F
65°F
31%
Tue
Aug 4
☁️
88°F
59°F
10%
Weather near Acton
5 mi
Concord, MA7 mi
Westford, MA7 mi
Sudbury, MA9 mi
Chelmsford, MA10 mi
Billerica, MA11 mi
Marlborough, MA11 mi
Lexington, MA12 mi
Lowell, MA
Alerts are relayed from the National Weather Service and may lag
the official source. In a life-threatening situation always follow
weather.gov and local emergency
broadcasts.