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.

Overcast

42°F

6°C

Humidity 82%
Wind Speed E 5 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 22 Mar 12:53 am EDT
Extended Forecast for

Derby CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 39. East wind 3 to 5 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 59. South wind around 8 mph.

    High: 59 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Rain. Low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 47. North wind 8 to 10 mph.

    High: 47 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 28. Northwest wind around 7 mph.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 39. East wind 3 to 5 mph.
Sunday
A 30 percent chance of showers, mainly after 5pm. Mostly cloudy, with a high near 59. South wind around 8 mph.
Sunday Night
Rain. Low around 37. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Mostly cloudy, with a high near 47. North wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 28. Northwest wind around 7 mph.
Tuesday
Sunny, with a high near 48.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain after 8am. Partly sunny, with a high near 53.
Thursday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 44.
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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:
3:03 pm EDT Mar 21, 2026
Forecast Valid:
1am EDT Mar 22, 2026-6pm EDT Mar 28, 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