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.

Fair

48°F

9°C

Humidity 89%
Wind Speed NW 5 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 45°F (7°C)
Visibility 8.00 mi
Wind Chill46°F (8°C)
Last update 10 Jan 2:53 am EST
Extended Forecast for

Derby CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Northwest wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 4pm. High near 44. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 44 °F

    Cloudy then
    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 4am. Steady temperature around 39. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 5 to 13 mph.

    High: 45 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. West wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Northwest wind around 5 mph.
Saturday
Rain, mainly after 4pm. High near 44. Light and variable wind becoming north around 6 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain, mainly before 4am. Steady temperature around 39. East wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 45. West wind 5 to 13 mph.
Sunday Night
Partly cloudy, with a low around 27. West wind 10 to 14 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 33.
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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:
2:50 am EST Jan 10, 2026
Forecast Valid:
3am EST Jan 10, 2026-6pm EST Jan 16, 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