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

53°F

12°C

Humidity 66%
Wind Speed SE 9 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 42°F (6°C)
Visibility 8.00 mi
Wind Chill50°F (10°C)
Last update 26 Mar 3:53 pm EDT
Extended Forecast for

Derby CT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 5pm. Mostly sunny, with a high near 68. South wind around 10 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers, mainly between 11pm and 5am. Low around 46. South wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Showers

  • Friday

    Friday: A 30 percent chance of showers before 11am. Mostly cloudy, with a temperature falling to around 46 by 11am. North wind 10 to 13 mph.

    High: 50 °F⇓

    Chance
    Showers then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. North wind around 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 40. Northwest wind 9 to 13 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 5pm. Mostly sunny, with a high near 68. South wind around 10 mph.
Tonight
Showers, mainly between 11pm and 5am. Low around 46. South wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of showers before 11am. Mostly cloudy, with a temperature falling to around 46 by 11am. North wind 10 to 13 mph.
Friday Night
Mostly cloudy, with a low around 28. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 40. Northwest wind 9 to 13 mph.
Saturday Night
Mostly clear, with a low around 25.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 43.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 58.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47.
Thursday
A chance of rain. Mostly cloudy, with a high near 64.
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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:
4:04 pm EDT Mar 26, 2026
Forecast Valid:
4pm EDT Mar 26, 2026-6pm EDT Apr 2, 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