Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Current conditions at

New Haven, Tweed-New Haven Airport (KHVN)

Lat: 41.26°NLon: 72.89°WElev: 13ft.

Fair

74°F

23°C

Humidity	82%
Wind Speed	SW 3 mph
Barometer	30.11 in (1019.6 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	29 Jun 10:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

New Haven CT

Extreme Heat Watch July 1, 12:00pm until July 4, 09:00pm

Click here for hazard details and duration

Extreme Heat Watch

Tonight
Low: 64 °F
Patchy Fog
Tuesday
High: 87 °F
Patchy Fog
then Mostly
Sunny
Tuesday Night
Low: 70 °F
Slight Chance
T-storms
Wednesday
High: 93 °F
Mostly Sunny
Wednesday Night
Low: 74 °F
Mostly Clear
Thursday
High: 100 °F
Hot
Thursday Night
Low: 75 °F
Clear
Friday
High: 99 °F
Sunny then
Chance
T-storms
Friday Night
Low: 73 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Patchy fog after 1am. Otherwise, partly cloudy, with a low around 64. Calm wind.

Tuesday

Patchy fog before 7am. Otherwise, mostly sunny, with a high near 87. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. South wind 5 to 10 mph becoming light southwest in the evening. Winds could gust as high as 20 mph.

Wednesday

Mostly sunny, with a high near 93. Heat index values as high as 99. Light southwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

Wednesday Night

Mostly clear, with a low around 74. Light southwest wind.

Thursday

Sunny and hot, with a high near 100.

Thursday Night

Clear, with a low around 75.

Friday

A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 99.

Friday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 73.

Independence Day

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 97.