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

34°F

1°C

Humidity 38%
Wind Speed N 8 mph
Barometer 30.23 in (1023.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 28 Mar 4:53 am EDT
Extended Forecast for

Derby CT

  • Today

    Today: Mostly sunny, with a high near 42. Wind chill values between 20 and 30. Northwest wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 26. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 24 mph.

    Low: 26 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Light southwest wind increasing to 9 to 14 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39. Southwest wind 7 to 9 mph.

    Low: 39 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64. Southwest wind 7 to 13 mph.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 67.

    High: 67 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain likely after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 60%.

    High: 72 °F

    Mostly Sunny
    then Rain
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 42. Wind chill values between 20 and 30. Northwest wind 6 to 13 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 26. Northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 24 mph.
Sunday
Mostly sunny, with a high near 49. Light southwest wind increasing to 9 to 14 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 39. Southwest wind 7 to 9 mph.
Monday
Mostly cloudy, with a high near 64. Southwest wind 7 to 13 mph.
Monday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 45.
Tuesday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Rain likely after 2pm. Partly sunny, with a high near 72. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 50.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Friday
Rain and snow likely. Cloudy, with a high near 46. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
Last Update:
4:58 am EDT Mar 28, 2026
Forecast Valid:
5am EDT Mar 28, 2026-6pm EDT Apr 3, 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