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

38°F

3°C

Humidity 27%
Wind Speed N 10 mph
Barometer 30.27 in (1024.9 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 1 Mar 4:53 pm EST
Extended Forecast for

Derby CT

  • Tonight

    Tonight: Mostly clear, with a low around 15. Wind chill values between 5 and 10. North wind 6 to 8 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 31. Wind chill values between 10 and 20. North wind around 5 mph becoming calm in the morning.

    High: 31 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 10am, then rain and snow between 10am and 4pm, then rain after 4pm. High near 40. Wind chill values between 20 and 30. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 34. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 34 °F

    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Cloudy, with a high near 54.

    High: 54 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 15. Wind chill values between 5 and 10. North wind 6 to 8 mph.
Monday
Sunny, with a high near 31. Wind chill values between 10 and 20. North wind around 5 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 19. Calm wind.
Tuesday
A chance of snow before 10am, then rain and snow between 10am and 4pm, then rain after 4pm. High near 40. Wind chill values between 20 and 30. Calm wind becoming southeast around 5 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 34. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 54.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 37.
Friday
A 50 percent chance of rain. Cloudy, with a high near 46.
Friday Night
A 30 percent chance of rain. Cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 55.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
Last Update:
3:08 pm EST Mar 1, 2026
Forecast Valid:
5pm EST Mar 1, 2026-6pm EDT Mar 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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