NWS Forecast for North Haven CT

National Weather Service Forecast for: North Haven CT
Issued by: National Weather Service New York, NY

Updated: 3:17 am EDT Jun 21, 2025

Today Sunny	Tonight Partly Cloudy	Sunday Slight Chance T-storms	Sunday Night Mostly Clear	Monday Sunny	Monday Night Mostly Clear	Tuesday Hot	Tuesday Night Partly Cloudy	Wednesday Mostly Sunny
Hi 88 °F	Lo 69 °F	Hi 96 °F	Lo 76 °F	Hi 99 °F	Lo 74 °F	Hi 100 °F	Lo 75 °F	Hi 92 °F

Hazardous Weather Outlook
Air Quality Alert
Extreme Heat Warning

Today	Sunny, with a high near 88. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight	Partly cloudy, with a low around 69. South wind 3 to 5 mph.
Sunday	A 20 percent chance of showers and thunderstorms before 2pm. Partly sunny, with a high near 96. Heat index values as high as 104. Southwest wind 7 to 11 mph.
Sunday Night	Mostly clear, with a low around 76. West wind around 6 mph becoming calm in the evening.
Monday	Sunny, with a high near 99. Calm wind becoming west 5 to 7 mph in the morning.
Monday Night	Mostly clear, with a low around 74.
Tuesday	Sunny and hot, with a high near 100.
Tuesday Night	Partly cloudy, with a low around 75.
Wednesday	Mostly sunny, with a high near 92.
Wednesday Night	Mostly cloudy, with a low around 67.
Thursday	A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Thursday Night	A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday	A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.

Forecast from NOAA-NWS for North Haven CT.