NWS Forecast for North Haven CT

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

Updated: 3:07 am EDT Oct 6, 2026

This Afternoon Sunny	Tonight Mostly Clear then Patchy Frost	Wednesday Areas Frost then Sunny	Wednesday Night Mostly Clear	Thursday Sunny	Thursday Night Mostly Clear	Friday Sunny	Friday Night Mostly Clear	Saturday Sunny
Hi 62 °F	Lo 34 °F	Hi 66 °F	Lo 53 °F	Hi 73 °F	Lo 50 °F	Hi 68 °F	Lo 48 °F	Hi 68 °F

Frost Advisory
Hazardous Weather Outlook

This Afternoon	Sunny, with a high near 62. Northwest wind around 11 mph.
Tonight	Patchy frost after 3am. Otherwise, clear, with a low around 34. Calm wind.
Wednesday	Areas of frost before 9am. Otherwise, sunny, with a high near 66. Light south wind increasing to 6 to 11 mph in the morning.
Wednesday Night	Mostly clear, with a low around 53. Southwest wind 5 to 7 mph.
Thursday	Sunny, with a high near 73. Southwest wind 6 to 10 mph.
Thursday Night	Mostly clear, with a low around 50.
Friday	Sunny, with a high near 68.
Friday Night	Mostly clear, with a low around 48.
Saturday	Sunny, with a high near 68.
Saturday Night	Partly cloudy, with a low around 49.
Sunday	Mostly sunny, with a high near 68.
Sunday Night	A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Columbus Day	A 40 percent chance of showers. Partly sunny, with a high near 69.

Forecast from NOAA-NWS for North Haven CT.