NWS Forecast for West Haven CT

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

Updated: 2:24 am EDT Jun 30, 2026

Today Mostly Sunny	Tonight Slight Chance T-storms	Wednesday Mostly Sunny then Slight Chance T-storms	Wednesday Night Partly Cloudy	Thursday Sunny	Thursday Night Clear	Friday Sunny	Friday Night Partly Cloudy	Independence Day Sunny then Chance T-storms
Hi 83 °F	Lo 68 °F	Hi 88 °F	Lo 72 °F	Hi 94 °F	Lo 74 °F	Hi 95 °F	Lo 72 °F	Hi 91 °F

Hazardous Weather Outlook
Extreme Heat Watch
Air Quality Alert
Extreme Heat Warning

Today	Mostly sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the morning.
Tonight	A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
Wednesday	A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Southwest wind 9 to 11 mph.
Wednesday Night	Partly cloudy, with a low around 72. Southwest wind 5 to 8 mph.
Thursday	Sunny, with a high near 94. Light southwest wind increasing to 5 to 9 mph in the morning.
Thursday Night	Clear, with a low around 74.
Friday	Sunny, with a high near 95.
Friday Night	Partly cloudy, with a low around 72.
Independence Day	A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 91.
Saturday Night	A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 30%.
Sunday	Mostly sunny, with a high near 88.
Sunday Night	A 30 percent chance of showers. Mostly cloudy, with a low around 67.
Monday	A 30 percent chance of showers. Partly sunny, with a high near 83.

Forecast from NOAA-NWS for West Haven CT.