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

49°F

9°C

Humidity 38%
Wind Speed SE 9 mph
Barometer 30.53 in (1033.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Apr 11:53 am EDT
Extended Forecast for

Derby CT

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 56. South wind 8 to 10 mph.

    High: 56 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 43. South wind 6 to 9 mph.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.

    High: 70 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 55. West wind 5 to 9 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 56. South wind 8 to 10 mph.
Tonight
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 43. South wind 6 to 9 mph.
Monday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 70. Southwest wind 8 to 13 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 55. West wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 78. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 58.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 84.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday
Partly sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 77.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
Last Update:
10:30 am EDT Apr 12, 2026
Forecast Valid:
12pm EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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