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.

Partly Cloudy

70°F

21°C

Humidity 93%
Wind Speed SW 9 G 17 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 1 Jul 6:53 am EDT
Extended Forecast for

New Haven CT

Extreme Heat Watch July 3, 09:00pm until July 4, 09:00pm
Extreme Heat Warning July 1, 12:00pm until July 3, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Extreme Heat Warning

  • Today

    Today: A 30 percent chance of showers and thunderstorms before 8am. Sunny, with a high near 91. Heat index values as high as 100. Southwest wind 8 to 11 mph.

    High: 91 °F

    Chance
    Showers then
    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. South wind 3 to 8 mph.

    Low: 72 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 99. Heat index values as high as 111. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southwest wind 5 to 7 mph becoming calm in the evening.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Calm wind becoming west 5 to 9 mph in the morning.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Independence Day

    Independence Day: A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 97.

    High: 97 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms before 8am. Sunny, with a high near 91. Heat index values as high as 100. Southwest wind 8 to 11 mph.
Tonight
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. South wind 3 to 8 mph.
Thursday
Sunny, with a high near 99. Heat index values as high as 111. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Southwest wind 5 to 7 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 100. Calm wind becoming west 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 73.
Independence Day
A 40 percent chance of showers after 2pm. Mostly sunny, with a high near 97.
Saturday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 71.
Sunday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
Showers likely. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
New Haven CT
 41.31°N 72.92°W (Elev. 33 ft)
Last Update:
2:37 am EDT Jul 1, 2026
Forecast Valid:
7am EDT Jul 1, 2026-6pm EDT Jul 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