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.

Partly Cloudy and Breezy

45°F

7°C

Humidity 42%
Wind Speed W 21 G 38 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 14 Mar 9:53 am EDT
Extended Forecast for

Derby CT

  • Today

    Today: Mostly sunny, with a high near 46. Breezy, with a west wind 16 to 21 mph, with gusts as high as 37 mph.

    High: 46 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 28. Northwest wind 6 to 11 mph becoming light after midnight.

    Low: 28 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain after 2am. Temperature falling to near 40 by 9pm, then rising to around 46 during the remainder of the night. Southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F⇑

    Mostly Cloudy
    then Rain

  • Monday

    Monday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 60. Breezy, with a south wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 60 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Heavy Rain
    and Breezy

  • Tuesday

    Tuesday: A 30 percent chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 45.

    High: 45 °F

    Chance Rain
    then Mostly
    Sunny

  • Tuesday Night

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

    Low: 23 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 46. Breezy, with a west wind 16 to 21 mph, with gusts as high as 37 mph.
Tonight
Increasing clouds, with a low around 28. Northwest wind 6 to 11 mph becoming light after midnight.
Sunday
Mostly cloudy, with a high near 46. Light and variable wind becoming southeast 6 to 11 mph in the afternoon.
Sunday Night
Rain after 2am. Temperature falling to near 40 by 9pm, then rising to around 46 during the remainder of the night. Southeast wind around 8 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 60. Breezy, with a south wind 15 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 36. Breezy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
A 30 percent chance of rain before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 45.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 28.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
Partly cloudy, with a low around 31.
Friday
Mostly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
Last Update:
3:09 am EDT Mar 14, 2026
Forecast Valid:
10am EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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