Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Overcast

40°F

4°C

Humidity 89%
Wind Speed SE 5 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 37°F (3°C)
Visibility 7.00 mi
Wind Chill36°F (2°C)
Last update 7 Mar 3:53 pm EST
Extended Forecast for

Derby CT

Dense Fog Advisory March 7, 10:00pm until March 8, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  • Tonight

    Tonight: Patchy drizzle with a chance of showers between 10pm and 1am, then showers likely with areas of drizzle after 1am. The drizzle could be heavy at times.  Patchy dense fog.  Otherwise, cloudy, with a temperature rising to around 45 by 5am. South wind around 6 mph.  Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely and
    Patchy Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 10am.  Patchy fog before 10am.  Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. West wind 7 to 9 mph.

    High: 61 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Light west wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60. Light west wind becoming south 5 to 10 mph in the morning.

    High: 60 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. South wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 44.

    Low: 44 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm.  Mostly cloudy, with a high near 60.

    High: 60 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers.  Cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy drizzle with a chance of showers between 10pm and 1am, then showers likely with areas of drizzle after 1am. The drizzle could be heavy at times. Patchy dense fog. Otherwise, cloudy, with a temperature rising to around 45 by 5am. South wind around 6 mph. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers, mainly before 10am. Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. West wind 7 to 9 mph.
Sunday Night
Mostly clear, with a low around 36. Light west wind.
Monday
Sunny, with a high near 60. Light west wind becoming south 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 38. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 66.
Tuesday Night
Increasing clouds, with a low around 44.
Wednesday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 60.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 48.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 44.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Saturday
Partly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Derby CT
 41.31°N 73.09°W (Elev. 115 ft)
3:40 pm EST Mar 7, 2026
4pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database