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.

Partly Cloudy

81°F

27°C

Humidity 70%
Wind Speed SW 16 mph
Barometer 29.83 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 11 Aug 4:53 pm EDT
Extended Forecast for

Derby CT

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. West wind around 6 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. West wind around 6 mph.
Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 86. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 65. Calm wind.
Thursday
Mostly sunny, with a high near 85. Calm wind becoming west 5 to 8 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 63.
Friday
Sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 80.
Sunday Night
Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Sunny, with a high near 83.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.34°N 73.09°W (Elev. 118 ft)
Last Update:
3:05 pm EDT Aug 11, 2026
Forecast Valid:
5pm EDT Aug 11, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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