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.

Fair

66°F

19°C

Humidity 70%
Wind Speed N 9 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 14 Oct 9:53 pm EDT
Extended Forecast for

Derby CT

  • Tonight

    Tonight: Mostly clear, with a low around 50. North wind 6 to 8 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 5 to 9 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Increasing clouds, with a low around 50. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Mostly Clear
    then Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 70. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 43. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 52.

    High: 52 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. North wind 6 to 8 mph.
Thursday
Sunny, with a high near 63. North wind 5 to 9 mph.
Thursday Night
Showers likely, mainly after 5am. Increasing clouds, with a low around 50. Calm wind becoming southeast around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers, with thunderstorms also possible after 5pm. High near 70. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms. Low around 43. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 52.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
Last Update:
7:37 pm EDT Oct 14, 2026
Forecast Valid:
10pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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