National Weather Service Forecast for: Watervliet NY
Issued by: National Weather Service Albany, NY
Updated: 8:36 am EDT Jun 30, 2026
 
Today

Today: A chance of showers and thunderstorms, mainly after 4pm. Partly sunny and hot, with a high near 91. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms

 Tonight

Tonight: A chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Severe
T-Storms

 Wednesday

Wednesday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 75. Light southwest wind.
Partly Cloudy

 Thursday

Thursday: Sunny and hot, with a high near 99. Calm wind becoming west 5 to 9 mph in the afternoon.
Hot

 Thursday
Night
Thursday Night: Mostly clear, with a low around 76.
Mostly Clear

 Friday

Friday: Sunny and hot, with a high near 96.
Hot

 Friday
Night
Friday Night: Partly cloudy, with a low around 72.
Partly Cloudy

 Independence
Day
Independence Day: A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.
Mostly Sunny
then Chance
T-storms
Hi 91 °F Lo 71 °F Hi 95 °F Lo 75 °F Hi 99 °F Lo 76 °F Hi 96 °F Lo 72 °F Hi 95 °F

Extreme Heat Watch
 

Today
 
 A chance of showers and thunderstorms, mainly after 4pm. Partly sunny and hot, with a high near 91. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 A chance of showers and thunderstorms, mainly before midnight. Some of the storms could be severe. Mostly cloudy, with a low around 71. South wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 A slight chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 106. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 20%.
Wednesday Night
 
 Partly cloudy, with a low around 75. Light southwest wind.
Thursday
 
 Sunny and hot, with a high near 99. Calm wind becoming west 5 to 9 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 76.
Friday
 
 Sunny and hot, with a high near 96.
Friday Night
 
 Partly cloudy, with a low around 72.
Independence Day
 
 A chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 95. Chance of precipitation is 40%.
Saturday Night
 
 A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Sunday
 
 Mostly sunny and hot, with a high near 92.
Sunday Night
 
 A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
 
 A chance of showers and thunderstorms. Partly sunny and hot, with a high near 90. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Watervliet NY.