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

40°F

4°C

Humidity 89%
Wind Speed Calm
Barometer 30.25 in (1024.3 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 30 Mar 4:53 am EDT
Extended Forecast for

Derby CT

  • Today

    Today: Partly sunny, with a high near 64. Southwest wind 8 to 14 mph, with gusts as high as 26 mph.

    High: 64 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 5am. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 69. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Southwest wind 8 to 11 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Southwest wind 11 to 14 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 75 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 51.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of rain. Cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Friday

    Friday: A 30 percent chance of rain. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance Rain

Detailed Forecast

Today
Partly sunny, with a high near 64. Southwest wind 8 to 14 mph, with gusts as high as 26 mph.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 69. Southwest wind 7 to 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 55. Southwest wind 8 to 11 mph.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 75. Southwest wind 11 to 14 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 51.
Thursday Night
A 40 percent chance of rain. Cloudy, with a low around 41.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 63.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 66.
Saturday Night
A 40 percent chance of rain. Cloudy, with a low around 44.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 63.
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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:
2:28 am EDT Mar 30, 2026
Forecast Valid:
5am EDT Mar 30, 2026-6pm EDT Apr 5, 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