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.

Rain Fog/Mist

44°F

7°C

Humidity 93%
Wind Speed N 14 G 22 mph
Barometer 29.75 in (1007.5 mb)
Dewpoint 42°F (6°C)
Visibility 3.00 mi
Wind Chill37°F (3°C)
Last update 23 Mar 3:53 am EDT
Extended Forecast for

Derby CT

  • Overnight

    Overnight: Rain. Steady temperature around 44. North wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain

  • Monday

    Monday: Rain, mainly before 11am, then a slight chance of showers after 2pm. High near 43. North wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 43 °F

    Rain then
    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind around 8 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 48. Wind chill values between 25 and 35 early. North wind around 7 mph becoming west in the afternoon.

    High: 48 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32. Southwest wind 3 to 6 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Chance Rain
    then Rain
    Likely

Detailed Forecast

Overnight
Rain. Steady temperature around 44. North wind around 7 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain, mainly before 11am, then a slight chance of showers after 2pm. High near 43. North wind around 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind around 8 mph.
Tuesday
Sunny, with a high near 48. Wind chill values between 25 and 35 early. North wind around 7 mph becoming west in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 32. Southwest wind 3 to 6 mph.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly cloudy, with a high near 60.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 54. Chance of precipitation is 60%.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 48.
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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:
2:12 am EDT Mar 23, 2026
Forecast Valid:
4am EDT Mar 23, 2026-6pm EDT Mar 29, 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