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City of Waterbury, CTWaterbury, CT 7-Day Night Weather Forecast
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Waterbury, CT Weather Forecast
Waterbury, CT Weather Forecast Date: 223 AM EDT Sat Sep 12 2026
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Today... Sunny this morning, then becoming partly sunny. Highs in the mid 70s. East winds around 5 mph, becoming south this afternoon.
Tonight... Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 50%.
Sunday... Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Locally heavy rainfall possible. Humid with highs in the mid 70s. Southeast winds around 5 mph, becoming northwest around 5 mph in the afternoon. Chance of rain near 100%.
Sunday Night... Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows around 60. West winds 5 to 10 mph. Chance of rain 20%.
Monday... Partly sunny. A slight chance of showers in the morning. Highs in the lower 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 20%.
Monday Night... Mostly clear. Lows in the upper 40s.
Tuesday... Sunny. Highs around 70.
Tuesday Night... Partly cloudy. Lows in the lower 50s.
Wednesday... Mostly sunny. Highs in the upper 70s.
Wednesday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s.
Thursday... Mostly sunny. Highs in the upper 70s.
Thursday Night... Partly cloudy. Lows around 60.
POP = Probability of Precipitation
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