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.

Light Rain Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 29.76 in (1007.6 mb)
Dewpoint 46°F (8°C)
Visibility 2.00 mi
Last update 22 Mar 6:53 pm EDT
Extended Forecast for

Derby CT

  • Tonight

    Tonight: Rain. Low around 38. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: Rain, mainly before 11am. High near 47. North wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29. Northwest wind around 8 mph.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49. Wind chill values between 25 and 35 early. Northwest wind around 6 mph becoming southwest in the afternoon.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 33. Southwest wind 3 to 6 mph.

    Low: 33 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 56.

    High: 56 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

Detailed Forecast

Tonight
Rain. Low around 38. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday
Rain, mainly before 11am. High near 47. North wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly clear, with a low around 29. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 49. Wind chill values between 25 and 35 early. Northwest wind around 6 mph becoming southwest in the afternoon.
Tuesday Night
Increasing clouds, with a low around 33. Southwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly cloudy, with a high near 56.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Friday
Rain likely before 8am. Partly sunny, with a high near 54. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.34°N 73.09°W (Elev. 118 ft)
Last Update:
3:49 pm EDT Mar 22, 2026
Forecast Valid:
7pm EDT Mar 22, 2026-6pm EDT Mar 29, 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