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.

Mostly Cloudy

36°F

2°C

Humidity 59%
Wind Speed E 5 mph
Barometer 30.45 in (1031.0 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 30 Nov 3:53 am EST
Extended Forecast for

Derby CT

  • Overnight

    Overnight: Cloudy, with a steady temperature around 31. Calm wind.

    Low: 31 °F

    Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 50. Southeast wind 5 to 13 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 31. West wind around 9 mph.

    Low: 31 °F

    Chance Rain
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 8 to 11 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 24. Light and variable wind.

    Low: 24 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 10am. High near 43. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    High: 43 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: A chance of rain, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 24. Chance of precipitation is 40%.

    Low: 24 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 31. Calm wind.
Sunday
Rain, mainly after 1pm. High near 50. Southeast wind 5 to 13 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
A 30 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 31. West wind around 9 mph.
Monday
Sunny, with a high near 42. Wind chill values between 25 and 35. Northwest wind 8 to 11 mph.
Monday Night
Increasing clouds, with a low around 24. Light and variable wind.
Tuesday
Rain and snow, becoming all rain after 10am. High near 43. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Tuesday Night
A chance of rain, mixing with snow after 10pm, then gradually ending. Cloudy during the early evening, then gradual clearing, with a low around 24. Chance of precipitation is 40%.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Mostly sunny, with a high near 31.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.34°N 73.09°W (Elev. 118 ft)
Last Update:
1:09 am EST Nov 30, 2025
Forecast Valid:
3am EST Nov 30, 2025-6pm EST Dec 6, 2025
 
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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