National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Overcast

67°F

19°C

Humidity 87%
Wind Speed SE 8 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Jun 5:53 am EDT
Extended Forecast for

Derby CT

  • Today

    Today: Showers likely, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely then
    T-storms
    Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 63. West wind around 10 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 11 mph.

    High: 81 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Clear, with a low around 60. West wind around 9 mph.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 80. West wind around 14 mph.

    High: 80 °F

    Sunny

  • Saturday Night

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

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.

    High: 76 °F

    Showers

Detailed Forecast

Today
Showers likely, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 9 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tonight
Partly cloudy, with a low around 63. West wind around 10 mph, with gusts as high as 22 mph.
Juneteenth
Mostly cloudy, then gradually becoming sunny, with a high near 81. West wind around 11 mph.
Friday Night
Clear, with a low around 60. West wind around 9 mph.
Saturday
Sunny, with a high near 80. West wind around 14 mph.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 60.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 76. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 58. Chance of precipitation is 80%.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.33°N 73.06°W (Elev. 397 ft)
Last Update:
2:43 am EDT Jun 18, 2026
Forecast Valid:
5am EDT Jun 18, 2026-6pm EDT Jun 24, 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