National Weather Service Forecast for: West Haven CT
Issued by: National Weather Service New York, NY
Updated: 1:49 am EDT Jul 26, 2025
 
Overnight

Overnight: Partly cloudy, with a low around 71. North wind around 6 mph.
Partly Cloudy

Saturday

Saturday: Mostly sunny, with a high near 82. Northeast wind around 7 mph becoming southeast in the afternoon.
Mostly Sunny

Saturday
Night
Saturday Night: A 30 percent chance of showers, mainly after 5am.  Mostly cloudy, with a low around 68. South wind 3 to 6 mph.
Partly Cloudy
then Chance
Showers
Sunday

Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am.  Mostly cloudy, with a high near 77. South wind 5 to 9 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely

Sunday
Night
Sunday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am.  Mostly cloudy, with a low around 71. South wind around 6 mph becoming calm  in the evening.  Chance of precipitation is 30%.
Chance
T-storms then
Slight Chance
Showers
Monday

Monday: Sunny, with a high near 87.
Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 72.
Mostly Clear

Tuesday

Tuesday: Sunny, with a high near 91.
Sunny

Tuesday
Night
Tuesday Night: Mostly clear, with a low around 73.
Mostly Clear

Lo 71 °F Hi 82 °F Lo 68 °F Hi 77 °F Lo 71 °F Hi 87 °F Lo 72 °F Hi 91 °F Lo 73 °F

Hazardous Weather Outlook
 

Overnight
 
Partly cloudy, with a low around 71. North wind around 6 mph.
Saturday
 
Mostly sunny, with a high near 82. Northeast wind around 7 mph becoming southeast in the afternoon.
Saturday Night
 
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 68. South wind 3 to 6 mph.
Sunday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 77. South wind 5 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
 
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Mostly cloudy, with a low around 71. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
 
Sunny, with a high near 87.
Monday Night
 
Mostly clear, with a low around 72.
Tuesday
 
Sunny, with a high near 91.
Tuesday Night
 
Mostly clear, with a low around 73.
Wednesday
 
Sunny, with a high near 88.
Wednesday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 70.
Thursday
 
A 40 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
 
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Friday
 
Mostly sunny, with a high near 77.

 

Forecast from NOAA-NWS for West Haven CT.