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Today Hourly 7 days 30 days September
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September 2025 Weather | Waterbury, Connecticut
Today 9/4
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 79°
Night 63°
25
Fri 9/5
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 82°
Night 63°
55
Sat 9/6
Sunny with a Chance of ThunderstormsSunny weather with a possibility of isolated thunderstorms developing later in the day.
Day 82°
Night 59°
70
Sun 9/7
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 48°
25
Mon 9/8
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 70°
Night 46°
13
Tue 9/9
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 72°
Night 45°
1
Wed 9/10
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 45°
1
Thu 9/11
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 73°
Night 48°
2
Fri 9/12
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 46°
2
Sat 9/13
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 48°
4
Sun 9/14
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 72°
Night 52°
75
Mon 9/15
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 54°
4
Tue 9/16
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 75°
Night 54°
0
Wed 9/17
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 77°
Night 50°
10
Thu 9/18
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 68°
Night 46°
10
Fri 9/19
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 73°
Night 50°
20
Sat 9/20
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 75°
Night 54°
20
Sun 9/21
Stormy WeatherStormy weather, thunderstorms.
Day 73°
Night 52°
67
Mon 9/22
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 72°
Night 46°
10
Tue 9/23
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 66°
Night 45°
25
Wed 9/24
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 64°
Night 45°
25
Thu 9/25
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 66°
Night 45°
20
Fri 9/26
Rainy WeatherRainy weather, precipitation in the form of water droplets falling from the sky.
Day 70°
Night 52°
59
Sat 9/27
Cloudy WeatherCloudy weather, overcast skies with no rain.
Day 64°
Night 52°
25
Sun 9/28
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 50°
20
Mon 9/29
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 72°
Night 48°
20
Tue 9/30
Sunny WeatherSunny weather, clear skies and sunny weather.
Day 72°
Night 43°
5