See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
19°
Clear
Feels Like: 11°
Min: 12°
Max: 23°
The next few hours will be clear, with tomorrow reaching 25°C and dropping to 10°C. The coming days will be rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:52
Sunset
Moon
Waxing Crescent
12:35
Moonrise
20:54
Moonset
Daily Forecast
Wednesday
Today
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
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UV Index
Humidity
Weather in Waterbury tomorrow, September 17, 2026
Expect a mostly clear day in Waterbury on September 17, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The morning sky stays heavily clouded, with cover near 100% around 05:00. Grey conditions set the early tone before any later change.
Expect highs of 25°C and cooler readings close to 11°C. Relative humidity sits between 46% and 99%, reaching its peak around 03:00. Winds stay light, near 2.3 km/h by 20:00, so the day feels still more than breezy.
Through the afternoon skies look more workable, with cloud near 49% around 12:00. Later outdoor plans have a clearer window than the morning may have suggested. Visibility stays generally good near 14.3 km on average, though it can drop toward 12.2 km in thicker cloud or showers. Expect sunrise at 06:40, sunset at 18:50, and 12 hours 10 minutes of sunlight today overall.
The practical takeaway for Waterbury is a bright September 17, 2026, ideal for outdoor errands before temperatures ease from about 25°C.
Frequently asked questions about weather in Waterbury
How warm does it get in Waterbury?
The warmest month in Waterbury is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Waterbury?
The coldest month in Waterbury is January, with average low temperatures of -3°C. The average temperature during this period is around 0°C.
What is the wettest time of year in Waterbury?
The wettest month in Waterbury is July, with an average of 125mm of precipitation.
What is the driest time of year in Waterbury?
The driest month in Waterbury is November, with an average of 86mm of precipitation.
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