NimbocastCharlestown, MA Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Charlestown, Suffolk County, Massachusetts.
Updated Jul 29, 2026, 5:09 PM local time · Radar refreshes every 5 minutes
☁️
Charlestown
67°F
Wind 12 mph
Humidity 97%
Cloud cover 100%
UV index 2
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Charlestown, MA.
Charlestown weather radar
Light
Heavy
Next 24 hours
Now
🌦️
67°F
77%
6 PM
🌦️
67°F
65%
7 PM
🌦️
67°F
65%
8 PM
☁️
67°F
73%
9 PM
🌦️
67°F
63%
10 PM
🌦️
66°F
58%
11 PM
🌧️
67°F
45%
12 AM
🌧️
66°F
51%
1 AM
🌦️
66°F
51%
2 AM
🌫️
66°F
39%
3 AM
🌦️
66°F
29%
4 AM
🌫️
66°F
28%
5 AM
🌦️
66°F
19%
6 AM
🌫️
66°F
16%
7 AM
🌫️
66°F
19%
8 AM
🌫️
66°F
22%
9 AM
🌦️
66°F
24%
10 AM
🌫️
67°F
24%
11 AM
☁️
67°F
23%
12 PM
🌫️
67°F
19%
1 PM
☁️
66°F
20%
2 PM
☁️
66°F
23%
3 PM
☁️
65°F
24%
4 PM
☁️
66°F
22%
7-day forecast
Today
Jul 29
🌧️
70°F
65°F
87%
Thu
Jul 30
🌧️
67°F
64°F
51%
Fri
Jul 31
☁️
71°F
64°F
20%
Sat
Aug 1
🌦️
81°F
64°F
5%
Sun
Aug 2
☁️
81°F
68°F
25%
Mon
Aug 3
🌦️
73°F
67°F
27%
Tue
Aug 4
☁️
84°F
64°F
9%
Weather near Charlestown
1 mi
Boston, MA1 mi
East Boston, MA2 mi
Cambridge, MA2 mi
Somerville, MA2 mi
Everett, MA2 mi
Chelsea, MA2 mi
Back Bay, MA3 mi
Malden, 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.