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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 41.55°N 73.04°W (Text-Only)
NWS Forecast for: Waterbury CT
Issued by: National Weather Service New York, NY
Last Update: 3:53 pm EDT Jun 29, 2026		Print

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 61. South wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 89 °F

    Partly Sunny


  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. South wind 9 to 14 mph becoming light southwest after midnight.

    Low: 68 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 105. West wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 74. Light southwest wind.

    Low: 74 °F

    Mostly Clear


  • Thursday

    Thursday: Sunny and hot, with a high near 101.

    High: 101 °F

    Hot


  • Thursday
    Night

    Thursday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear


  • Friday

    Friday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot


  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 71.

    Low: 71 °F

    Partly Cloudy




    • Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 61. South wind around 6 mph becoming calm in the evening.

    Tuesday: Partly sunny, with a high near 89. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68. South wind 9 to 14 mph becoming light southwest after midnight.

    Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 96. Heat index values as high as 105. West wind 5 to 11 mph, with gusts as high as 21 mph.

    Wednesday Night: Mostly clear, with a low around 74. Light southwest wind.

    Thursday: Sunny and hot, with a high near 101.

    Thursday Night: Clear, with a low around 73.

    Friday: Sunny and hot, with a high near 100.

    Friday Night: Partly cloudy, with a low around 71.

    Independence Day: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 98.

    Saturday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

    Sunday: A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

    Sunday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Monday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.


    Waterbury CT
     41.55°N 73.04°W (Elev. 299 ft)

    Visit your local NWS office at: https://www.weather.gov/okx/