NimbocastChelmsford, MA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Chelmsford, Middlesex County, Massachusetts.
Updated Jul 29, 2026, 4:18 PM local time · Radar refreshes every 5 minutes
🌦️
Chelmsford
68°F
Wind 11 mph
Humidity 94%
Cloud cover 100%
UV index 2
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Chelmsford, MA.
Chelmsford weather radar
Light
Heavy
Next 24 hours
Now
🌦️
68°F
96%
5 PM
🌦️
67°F
95%
6 PM
☁️
66°F
85%
7 PM
🌦️
66°F
71%
8 PM
🌧️
66°F
64%
9 PM
🌧️
66°F
60%
10 PM
🌧️
66°F
48%
11 PM
🌧️
65°F
57%
12 AM
🌦️
65°F
42%
1 AM
🌫️
65°F
48%
2 AM
🌦️
65°F
46%
3 AM
🌦️
65°F
53%
4 AM
🌧️
65°F
38%
5 AM
🌧️
66°F
34%
6 AM
🌧️
66°F
27%
7 AM
🌦️
65°F
29%
8 AM
🌦️
65°F
21%
9 AM
🌦️
64°F
32%
10 AM
☁️
64°F
22%
11 AM
☁️
65°F
24%
12 PM
🌧️
64°F
28%
1 PM
☁️
64°F
27%
2 PM
☁️
63°F
22%
3 PM
☁️
64°F
19%
7-day forecast
Today
Jul 29
🌧️
70°F
65°F
96%
Thu
Jul 30
🌧️
66°F
63°F
53%
Fri
Jul 31
🌦️
79°F
64°F
26%
Sat
Aug 1
🌦️
87°F
63°F
4%
Sun
Aug 2
☁️
84°F
66°F
21%
Mon
Aug 3
🌦️
76°F
65°F
32%
Tue
Aug 4
☁️
87°F
61°F
11%
Weather near Chelmsford
3 mi
Lowell, MA4 mi
Westford, MA6 mi
Billerica, MA6 mi
Dracut, MA7 mi
Tewksbury, MA9 mi
Acton, MA10 mi
Concord, MA11 mi
Burlington, 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.