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.

Light Rain Fog/Mist

77°F

25°C

Humidity 88%
Wind Speed W 8 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 73°F (23°C)
Visibility 6.00 mi
Heat Index78°F (26°C)
Last update 14 Jul 8:53 pm EDT
Extended Forecast for

Hamden CT

Flood Watch July 14, 09:32pm until July 15, 12:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 14, 09:32pm until July 15, 12:00am

    NOW until 12:00am Tue

    Flood Watch

  • Tonight

    Low: 72 °F

    Heavy Rain
    and Patchy
    Fog

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 11am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday Night

    Tuesday Night: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Light southwest wind.

    Low: 72 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 90 °F

    Patchy Fog
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before 11pm. Some of the storms could produce heavy rainfall. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 11am. Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 72. Light southwest wind.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 90. Heat index values as high as 99. Calm wind becoming south 5 to 8 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74. South wind around 6 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 40%.
Thursday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 75. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69.
Saturday
Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
Hamden CT
 41.38°N 72.9°W (Elev. 75 ft)
Last Update:
2:29 pm EDT Jul 14, 2025
Forecast Valid:
9pm EDT Jul 14, 2025-6pm EDT Jul 21, 2025
 
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