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

54°F

12°C

Humidity 83%
Wind Speed S 7 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 49°F (9°C)
Visibility 8.00 mi
Wind Chill52°F (11°C)
Last update 1 Apr 3:53 am EDT
Extended Forecast for

Derby CT

  • Overnight

    Overnight: A 50 percent chance of showers after 5am. Mostly cloudy, with a low around 59. Southwest wind around 8 mph.

    Low: 59 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Southwest wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

    High: 74 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Patchy fog after 2am. Low around 41. Northeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely before 8am, then a chance of rain, mainly between 8am and 2pm. Patchy fog before 2pm. Otherwise, cloudy, with a high near 46. East wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of rain or drizzle before 8pm, then a chance of drizzle or light rain, mainly after 2am. Areas of fog after 8pm. Otherwise, cloudy, with a low around 39. East wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Chance Light
    Rain and
    Areas Fog

  • Friday

    Friday: A chance of drizzle or light rain before 8am. Areas of fog before 2pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance Light
    Rain and
    Areas Fog
    then Patchy
    Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers after 5am. Mostly cloudy, with a low around 59. Southwest wind around 8 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 74. Southwest wind around 8 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Wednesday Night
Showers. Patchy fog after 2am. Low around 41. Northeast wind 6 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers likely before 8am, then a chance of rain, mainly between 8am and 2pm. Patchy fog before 2pm. Otherwise, cloudy, with a high near 46. East wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of rain or drizzle before 8pm, then a chance of drizzle or light rain, mainly after 2am. Areas of fog after 8pm. Otherwise, cloudy, with a low around 39. East wind 5 to 8 mph. Chance of precipitation is 30%.
Friday
A chance of drizzle or light rain before 8am. Areas of fog before 2pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 63. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 71.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Sunday
Showers likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
Last Update:
2:38 am EDT Apr 1, 2026
Forecast Valid:
4am EDT Apr 1, 2026-6pm EDT Apr 7, 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