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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 41.31°N 73.09°W (Text-Only)
NWS Forecast for: Derby CT
Issued by: National Weather Service New York, NY
Last Update: 5:41 am EDT Jun 30, 2026		Print

  • Today

    Today: Mostly sunny, with a high near 89. Light south wind increasing to 5 to 10 mph in the morning.

    High: 89 °F

    Mostly Sunny



  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 6 to 10 mph, with gusts as high as 21 mph.

    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. Southwest wind 8 to 11 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 73. Southwest wind 3 to 7 mph.

    Low: 73 °F

    Partly Cloudy



  • Thursday

    Thursday: Sunny and hot, with a high near 101. Light west wind becoming southwest 5 to 9 mph in the morning.

    High: 101 °F

    Hot



  • Thursday
    Night

    Thursday Night: Clear, with a low around 76.

    Low: 76 °F

    Clear



  • Friday

    Friday: A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 99.

    High: 99 °F

    Sunny then
    Chance
    Showers

  • Friday
    Night

    Friday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    Showers then
    Mostly Clear

  • Independence
    Day

    Independence Day: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.

    High: 97 °F

    Sunny then
    Chance
    T-storms



    • Today: Mostly sunny, with a high near 89. Light south wind increasing to 5 to 10 mph in the morning.

    Tonight: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. South wind 6 to 10 mph, with gusts as high as 21 mph.

    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. Southwest wind 8 to 11 mph.

    Wednesday Night: Partly cloudy, with a low around 73. Southwest wind 3 to 7 mph.

    Thursday: Sunny and hot, with a high near 101. Light west wind becoming southwest 5 to 9 mph in the morning.

    Thursday Night: Clear, with a low around 76.

    Friday: A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 99.

    Friday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 73.

    Independence Day: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

    Sunday: A 30 percent chance of showers. Mostly sunny, with a high near 94.

    Sunday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 68.

    Monday: A 30 percent chance of showers. Partly sunny, with a high near 88.


    Derby CT
     41.31°N 73.09°W (Elev. 115 ft)

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