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

26°F

-3°C

Humidity 55%
Wind Speed S 5 mph
Barometer 30.66 in (1038.3 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 2 Mar 9:53 pm EST
Extended Forecast for

Derby CT

  • Tonight

    Tonight: Increasing clouds, with a low around 18. Calm wind.

    Low: 18 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 4pm. High near 36. Wind chill values between 25 and 35. Calm wind becoming southeast around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 36 °F

    Rain/Snow
    Likely then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Steady temperature around 37. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 51. Light west wind.

    High: 51 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Chance Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 18. Calm wind.
Tuesday
Rain and snow, becoming all rain after 4pm. High near 36. Wind chill values between 25 and 35. Calm wind becoming southeast around 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Steady temperature around 37. Calm wind. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 51. Light west wind.
Wednesday Night
A 40 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 32. Calm wind.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 48.
Thursday Night
Rain. Low around 36. Chance of precipitation is 80%.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 46.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 52.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 64.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 62.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.34°N 73.09°W (Elev. 118 ft)
Last Update:
1:04 pm EST Mar 2, 2026
Forecast Valid:
10pm EST Mar 2, 2026-6pm EDT Mar 9, 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