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

20°F

-7°C

Humidity 55%
Wind Speed NW 6 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 29 Jan 10:53 pm EST
Extended Forecast for

Derby CT

Cold Weather Advisory January 30, 12:00am until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around -2. Wind chill values between -5 and -10. West wind around 6 mph.

    Low: -2 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 17. Wind chill values between -5 and -15. West wind 6 to 10 mph.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around 3. Northwest wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 21. Wind chill values between -5 and 5. Northwest wind 3 to 6 mph.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 8. North wind 6 to 15 mph, with gusts as high as 25 mph.

    Low: 8 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow. Mostly cloudy, with a high near 24.

    High: 24 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around -2. Wind chill values between -5 and -10. West wind around 6 mph.
Friday
Sunny and cold, with a high near 17. Wind chill values between -5 and -15. West wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 3. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 21. Wind chill values between -5 and 5. Northwest wind 3 to 6 mph.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 8. North wind 6 to 15 mph, with gusts as high as 25 mph.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 24.
Sunday Night
Mostly cloudy, with a low around 13.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 14.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 11.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 29.
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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:
1:13 pm EST Jan 29, 2026
Forecast Valid:
11pm EST Jan 29, 2026-6pm EST Feb 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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