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.

Overcast

30°F

-1°C

Humidity 69%
Wind Speed E 6 mph
Barometer 30.59 in (1036.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 3 Mar 8:53 am EST
Extended Forecast for

Derby CT

Winter Weather Advisory March 3, 10:00am until March 3, 10:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Rain, possibly mixed with snow, becoming all rain after 4pm. High near 37. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely
    then
    Rain/Snow

  • Tonight

    Tonight: Rain, mainly before 1am. Low around 33. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Calm wind.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A 50 percent chance of rain. Cloudy, with a high near 45. Calm wind becoming east around 5 mph.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 36 °F

    Rain Likely

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 34.

    Low: 34 °F

    Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, possibly mixed with snow, becoming all rain after 4pm. High near 37. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 100%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Rain, mainly before 1am. Low around 33. Light and variable wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 50. Calm wind.
Wednesday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 32. Calm wind.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 45. Calm wind becoming east around 5 mph.
Thursday Night
Rain likely, mainly before 1am. Cloudy, with a low around 36. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
Friday Night
Cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Mostly cloudy, with a high near 60.
Sunday Night
Partly cloudy, with a low around 43.
Monday
Mostly sunny, with a high near 64.
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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:
4:31 am EST Mar 3, 2026
Forecast Valid:
9am EST Mar 3, 2026-6pm EDT Mar 9, 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