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

50°F

10°C

Humidity 93%
Wind Speed N 5 mph
Barometer 30.43 in (1030.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 11 Oct 3:53 am EDT
Extended Forecast for

Derby CT

  • Today

    Today: Rain, mainly after 2pm. High near 62. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Chance Rain
    then Rain

  • Tonight

    Tonight: Rain before 11pm, then rain likely and possibly a thunderstorm between 11pm and 2am, then a slight chance of rain after 2am. Low around 51. North wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 51 °F

    Rain then
    Rain Likely

  • Columbus Day

    Columbus Day: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. North wind 8 to 11 mph.

    High: 71 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Light northwest wind.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 68. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Today
Rain, mainly after 2pm. High near 62. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain before 11pm, then rain likely and possibly a thunderstorm between 11pm and 2am, then a slight chance of rain after 2am. Low around 51. North wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Columbus Day
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. North wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 51. Light northwest wind.
Tuesday
Partly sunny, with a high near 68. Light and variable wind becoming south 5 to 9 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 44.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 59. Breezy.
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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:
2:27 am EDT Oct 11, 2026
Forecast Valid:
4am EDT Oct 11, 2026-6pm EDT Oct 17, 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