National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Mostly Cloudy

28°F

-2°C

Humidity 69%
Wind Speed SE 8 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 25 Feb 3:53 am EST
Extended Forecast for

Derby CT

  • Overnight

    Overnight: Snow likely after 5am. Mostly cloudy, with a steady temperature around 20. Wind chill values between 15 and 20. Light southeast wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 20 °F

    Snow Likely

  • Wednesday

    Wednesday: Snow, mainly before 10am. High near 40. Wind chill values between 15 and 25. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

    High: 40 °F

    Snow then
    Chance Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind around 6 mph becoming west after midnight.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.

    High: 39 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before 1am. Partly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely after 5am. Mostly cloudy, with a steady temperature around 20. Wind chill values between 15 and 20. Light southeast wind. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Snow, mainly before 10am. High near 40. Wind chill values between 15 and 25. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind around 6 mph becoming west after midnight.
Thursday
A 20 percent chance of snow after 1pm. Mostly sunny, with a high near 39. Wind chill values between 25 and 35. West wind around 6 mph.
Thursday Night
A 20 percent chance of snow before 1am. Partly cloudy, with a low around 20. Calm wind.
Friday
Mostly sunny, with a high near 39.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 16.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 33.
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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:
1:23 am EST Feb 25, 2026
Forecast Valid:
4am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation