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

76°F

24°C

Humidity 85%
Wind Speed NW 6 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 71°F (22°C)
Visibility 9.00 mi
Heat Index77°F (25°C)
Last update 28 Aug 9:53 am EDT
Extended Forecast for

Derby CT

  • Today

    Today: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. West wind 3 to 5 mph.

    High: 82 °F

    Chance
    T-storms and
    Areas Fog

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Calm wind becoming north around 6 mph after midnight.

    Low: 58 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 79. North wind around 6 mph becoming light and variable in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.

    High: 80 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Areas of fog before 11am. Otherwise, partly sunny, with a high near 82. West wind 3 to 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 58. Calm wind becoming north around 6 mph after midnight.
Saturday
Sunny, with a high near 79. North wind around 6 mph becoming light and variable in the afternoon.
Saturday Night
Mostly clear, with a low around 59. Calm wind.
Sunday
Mostly sunny, with a high near 82. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 65.
Monday
Partly sunny, with a high near 82.
Monday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 64.
Tuesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 60%.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 81.
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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:
4:20 am EDT Aug 28, 2026
Forecast Valid:
10am EDT Aug 28, 2026-6pm EDT Sep 3, 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