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

77°F

25°C

Humidity 52%
Wind Speed Vrbl 3 mph
Barometer 30.15 in (1020.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 4 Oct 4:53 pm EDT
Extended Forecast for

Derby CT

  • Tonight

    Tonight: Areas of fog after 2am. Otherwise, partly cloudy, with a low around 55. Light and variable wind.

    Low: 55 °F

    Mostly Clear
    then Areas
    Fog

  • Sunday

    Sunday: Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.

    High: 84 °F

    Areas Fog
    then Sunny

  • Sunday Night

    Sunday Night: Patchy fog after midnight. Otherwise, mostly clear, with a low around 54. Light south wind.

    Low: 54 °F

    Clear then
    Patchy Fog

  • Monday

    Monday: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog. Otherwise, mostly clear, with a low around 57. Southwest wind 3 to 6 mph.

    Low: 57 °F

    Patchy Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Showers, mainly after 2am. Low around 58. Chance of precipitation is 80%.

    Low: 58 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: Showers, mainly before 8am. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Areas of fog after 2am. Otherwise, partly cloudy, with a low around 55. Light and variable wind.
Sunday
Areas of fog before 9am. Otherwise, sunny, with a high near 84. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Patchy fog after midnight. Otherwise, mostly clear, with a low around 54. Light south wind.
Monday
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Monday Night
Patchy fog. Otherwise, mostly clear, with a low around 57. Southwest wind 3 to 6 mph.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Showers, mainly after 2am. Low around 58. Chance of precipitation is 80%.
Wednesday
Showers, mainly before 8am. High near 70. Chance of precipitation is 80%.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 42.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.34°N 73.09°W (Elev. 118 ft)
Last Update:
2:02 pm EDT Oct 4, 2025
Forecast Valid:
5pm EDT Oct 4, 2025-6pm EDT Oct 11, 2025
 
Forecast Discussion
 
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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