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.

Overcast

35°F

2°C

Humidity 89%
Wind Speed NE 6 mph
Barometer 30.39 in (1028.9 mb)
Dewpoint 32°F (0°C)
Visibility 9.00 mi
Wind Chill30°F (-1°C)
Last update 6 Mar 11:53 pm EST
Extended Forecast for

Derby CT

  • Overnight

    Overnight: A slight chance of drizzle after 4am. Cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Slight Chance
    Drizzle

  • Saturday

    Saturday: Cloudy, with a high near 50. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 50 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms, then showers likely after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 43. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. West wind 6 to 10 mph.

    High: 62 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Light west wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 1am. Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A slight chance of drizzle after 4am. Cloudy, with a low around 32. Calm wind.
Saturday
Cloudy, with a high near 50. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms, then showers likely after 1am. Patchy dense fog. Otherwise, cloudy, with a low around 43. Southwest wind 3 to 6 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 30 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 62. West wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 36. Light west wind.
Monday
Sunny, with a high near 61.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 65.
Tuesday Night
A 30 percent chance of rain after 1am. Partly cloudy, with a low around 43.
Wednesday
Rain likely, mainly before 1pm. Cloudy, with a high near 59. Chance of precipitation is 60%.
Wednesday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 48. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 46.
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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:
12:51 pm EST Mar 6, 2026
Forecast Valid:
12am EST Mar 7, 2026-6pm EDT Mar 13, 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