National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Fair

61°F

16°C

Humidity 81%
Wind Speed N 7 mph
Barometer 30.19 in (1022.2 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 29 Aug 6:53 am EDT
Extended Forecast for

Hamden CT

  • Today

    Today: Sunny, with a high near 78. North wind around 6 mph becoming calm in the afternoon.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between 2pm and 5pm. Mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 81 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers, mainly after 8pm. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Chance
    Showers

  • Monday

    Monday: A 20 percent chance of showers. Partly sunny, with a high near 81. Light northwest wind.

    High: 81 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after 8pm. Cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 78. North wind around 6 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 59. Calm wind.
Sunday
A 30 percent chance of showers, mainly between 2pm and 5pm. Mostly sunny, with a high near 81. Calm wind becoming southwest 5 to 9 mph in the morning.
Sunday Night
A 40 percent chance of showers, mainly after 8pm. Mostly cloudy, with a low around 65. Southwest wind around 5 mph becoming calm in the evening.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 81. Light northwest wind.
Monday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 63.
Tuesday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after 8pm. Cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 82.
Thursday Night
Mostly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamden CT
 41.38°N 72.9°W (Elev. 75 ft)
Last Update:
6:45 am EDT Aug 29, 2026
Forecast Valid:
7am EDT Aug 29, 2026-6pm EDT Sep 4, 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