NimbocastSeymour, CT Weather
Live radar, hourly and 7-day forecast, and National Weather Service alerts for Seymour, Naugatuck Valley Planning Region, Connecticut.
Updated Jul 29, 2026, 5:08 PM local time · Radar refreshes every 5 minutes
🌤️
Seymour
76°F
Wind 5 mph
Humidity 75%
Cloud cover 33%
UV index 6
Alerts 0
Active alerts
✓
No active National Weather Service alerts for Seymour, CT.
Seymour weather radar
Light
Heavy
Next 24 hours
Now
🌤️
76°F
16%
6 PM
☀️
76°F
13%
7 PM
⛅
75°F
12%
8 PM
⛅
72°F
7%
9 PM
☁️
71°F
11%
10 PM
☁️
71°F
17%
11 PM
🌦️
71°F
15%
12 AM
🌧️
70°F
17%
1 AM
🌧️
70°F
18%
2 AM
🌦️
70°F
24%
3 AM
🌦️
70°F
26%
4 AM
🌤️
68°F
30%
5 AM
⛅
67°F
20%
6 AM
☁️
67°F
23%
7 AM
☁️
68°F
21%
8 AM
⛅
69°F
19%
9 AM
☁️
69°F
12%
10 AM
☁️
72°F
19%
11 AM
☁️
73°F
21%
12 PM
☁️
73°F
14%
1 PM
☁️
71°F
8%
2 PM
☁️
71°F
11%
3 PM
☁️
72°F
23%
4 PM
⛅
73°F
21%
7-day forecast
Today
Jul 29
🌧️
76°F
68°F
100%
Thu
Jul 30
🌧️
73°F
66°F
30%
Fri
Jul 31
🌦️
83°F
62°F
11%
Sat
Aug 1
☁️
87°F
65°F
3%
Sun
Aug 2
☁️
82°F
67°F
36%
Mon
Aug 3
🌧️
79°F
66°F
36%
Tue
Aug 4
☁️
86°F
59°F
13%
Weather near Seymour
3 mi
Ansonia, CT6 mi
Shelton, CT6 mi
Naugatuck, CT9 mi
Hamden, CT9 mi
Southbury, CT10 mi
New Haven, CT11 mi
Waterbury, CT11 mi
West Haven, CT
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.