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.

Fair

21°F

-6°C

Humidity 85%
Wind Speed N 3 mph
Barometer 30.20 in (1022.4 mb)
Dewpoint 17°F (-8°C)
Visibility 8.00 mi
Last update 28 Dec 8:53 am EST
Extended Forecast for

Derby CT

Winter Weather Advisory December 28, 04:00pm until December 29, 12:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: A 20 percent chance of rain after 4pm. Increasing clouds, with a high near 38. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Tonight

    Tonight: Rain or freezing rain, becoming all rain after 10pm. Temperature rising to around 41 by 5am. South wind 3 to 8 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.

    Low: 32 °F⇑

    Rain/Freezing
    Rain then
    Rain

  • Monday

    Monday: Rain, mainly after 7am. High near 51. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then becoming mostly clear, with a low around 24. Wind chill values between 15 and 20. West wind 13 to 15 mph, with gusts as high as 29 mph.

    Low: 24 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. West wind 15 to 18 mph, with gusts as high as 34 mph.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 35.

    High: 35 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

Detailed Forecast

Today
A 20 percent chance of rain after 4pm. Increasing clouds, with a high near 38. Wind chill values between 15 and 25. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
Rain or freezing rain, becoming all rain after 10pm. Temperature rising to around 41 by 5am. South wind 3 to 8 mph. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible.
Monday
Rain, mainly after 7am. High near 51. South wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Mostly cloudy during the early evening, then becoming mostly clear, with a low around 24. Wind chill values between 15 and 20. West wind 13 to 15 mph, with gusts as high as 29 mph.
Tuesday
Partly sunny, with a high near 32. West wind 15 to 18 mph, with gusts as high as 34 mph.
Tuesday Night
Mostly cloudy, with a low around 23.
Wednesday
Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 30.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Mostly sunny, with a high near 34.
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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:
1:17 am EST Dec 28, 2025
Forecast Valid:
8am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
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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