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.

Overcast

45°F

7°C

Humidity 90%
Wind Speed S 5 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 42°F (6°C)
Visibility 9.00 mi
Wind Chill42°F (6°C)
Last update 26 Mar 8:53 am EDT
Extended Forecast for

Derby CT

  • Today

    Today: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 67. Southwest wind 9 to 11 mph.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers, mainly after 11pm. Low around 45. South wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Friday

    Friday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 9 to 13 mph.

    High: 48 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Calm wind becoming north around 6 mph after midnight.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Northwest wind 9 to 13 mph.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 57.

    High: 57 °F

    Mostly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 67. Southwest wind 9 to 11 mph.
Tonight
Showers, mainly after 11pm. Low around 45. South wind 7 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 9 to 13 mph.
Friday Night
Mostly cloudy, with a low around 29. Calm wind becoming north around 6 mph after midnight.
Saturday
Mostly sunny, with a high near 41. Northwest wind 9 to 13 mph.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 57.
Monday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 43.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 57.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 40.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 55.
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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:
5:42 am EDT Mar 26, 2026
Forecast Valid:
9am EDT Mar 26, 2026-6pm EDT Apr 1, 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