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.

Fair

72°F

22°C

Humidity 91%
Wind Speed SE 8 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 18 Jun 8:53 pm EDT
Extended Forecast for

Derby CT

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Juneteenth

    Juneteenth: A chance of thunderstorms after 5pm. Some of the storms could be severe. Partly sunny, with a high near 90. Heat index values as high as 97. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 30%.

    High: 90 °F

    Partly Sunny
    then Severe
    Thunderstorms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Southwest wind 6 to 13 mph.

    Low: 66 °F

    Severe
    Thunderstorms
    then Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 84. West wind 9 to 11 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. West wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 68. Calm wind.
Juneteenth
A chance of thunderstorms after 5pm. Some of the storms could be severe. Partly sunny, with a high near 90. Heat index values as high as 97. Light south wind increasing to 6 to 11 mph in the morning. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Some of the storms could be severe. Mostly cloudy, then gradually becoming mostly clear, with a low around 66. Southwest wind 6 to 13 mph.
Friday
Sunny, with a high near 84. West wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 65. West wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 93.
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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:
7:33 pm EDT Jun 18, 2025
Forecast Valid:
9pm EDT Jun 18, 2025-6pm EDT Jun 25, 2025
 
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