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

66°F

19°C

Humidity 90%
Wind Speed SW 3 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 14 Oct 1:53 am EDT
Extended Forecast for

Derby CT

  • Overnight

    Overnight: Mostly clear, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. Light west wind increasing to 5 to 10 mph in the morning.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Northwest wind around 7 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Northeast wind 3 to 7 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers after 2am. Low around 48. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Partly Cloudy
    then Showers

  • Friday

    Friday: Showers. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers likely before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 51. Breezy.

    High: 51 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 62. Southwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 78. Light west wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 50. Northwest wind around 7 mph.
Thursday
Sunny, with a high near 65. Northeast wind 3 to 7 mph.
Thursday Night
Showers after 2am. Low around 48. Calm wind becoming southeast around 5 mph after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers. High near 70. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 39. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 51. Breezy.
Saturday Night
Mostly clear, with a low around 34.
Sunday
Sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 66.
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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:
1:52 am EDT Oct 14, 2026
Forecast Valid:
2am EDT Oct 14, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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