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.

Fog/Mist

52°F

11°C

Humidity 93%
Wind Speed Calm
Barometer 29.95 in (1014.2 mb)
Dewpoint 50°F (10°C)
Visibility 6.00 mi
Last update 14 Apr 2:53 am EDT
Extended Forecast for

Derby CT

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 59. Calm wind.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 57. South wind around 6 mph becoming calm in the evening.

    Low: 57 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 40%.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers. Partly sunny, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 59. Calm wind.
Tuesday
Mostly sunny, with a high near 82. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 57. South wind around 6 mph becoming calm in the evening.
Wednesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Calm wind becoming south 5 to 9 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 50%.
Thursday
Partly sunny, with a high near 80.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 76.
Friday Night
Mostly cloudy, with a low around 53.
Saturday
Mostly cloudy, with a high near 66.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 64.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
Last Update:
2:15 am EDT Apr 14, 2026
Forecast Valid:
3am EDT Apr 14, 2026-6pm EDT Apr 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