National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Partly Cloudy

43°F

6°C

Humidity 47%
Wind Speed N 3 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 3 Dec 2:53 pm EST
Extended Forecast for

Derby CT

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind becoming west around 6 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of flurries after 9am. Increasing clouds, with a high near 40. Wind chill values between 20 and 30. West wind 6 to 15 mph, with gusts as high as 29 mph.

    High: 40 °F

    Chance
    Flurries

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 11. Northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 29 mph.

    Low: 11 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 20 percent chance of light snow. Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Slight Chance
    Light Snow

  • Saturday

    Saturday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Calm wind becoming west around 6 mph after midnight.
Thursday
A chance of flurries after 9am. Increasing clouds, with a high near 40. Wind chill values between 20 and 30. West wind 6 to 15 mph, with gusts as high as 29 mph.
Thursday Night
Mostly clear, with a low around 11. Northwest wind 6 to 11 mph becoming light north after midnight. Winds could gust as high as 29 mph.
Friday
Increasing clouds, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of light snow. Mostly cloudy, with a low around 21. Calm wind.
Saturday
Partly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 34.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.34°N 73.09°W (Elev. 118 ft)
Last Update:
12:40 pm EST Dec 3, 2025
Forecast Valid:
3pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation