National Weather Service Forecast for: Rensselaer NY
Issued by: National Weather Service Albany, NY
Updated: 2:37 pm EDT Jul 28, 2026
 
Tonight

Tonight: Showers and possibly a thunderstorm. Low around 64. Southeast wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 73. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Showers

 Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm, then showers after 2am. Low around 60. North wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers

 Thursday

Thursday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. North wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers then
Mostly Cloudy
 Friday

Friday: Mostly sunny, with a high near 83.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 62.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 85.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 65.
Mostly Cloudy
Lo 64 °F Hi 73 °F Lo 60 °F Hi 77 °F Lo 59 °F Hi 83 °F Lo 62 °F Hi 85 °F Lo 65 °F

 

Tonight
 
 Showers and possibly a thunderstorm. Low around 64. Southeast wind 5 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
 
 Showers and possibly a thunderstorm. High near 73. Light and variable wind becoming southeast around 6 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
 
 Showers likely and possibly a thunderstorm, then showers after 2am. Low around 60. North wind 3 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
 
 Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 77. North wind 7 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
 
 A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
 
 Mostly sunny, with a high near 83.
Friday Night
 
 Mostly clear, with a low around 62.
Saturday
 
 Mostly sunny, with a high near 85.
Saturday Night
 
 Mostly cloudy, with a low around 65.
Sunday
 
 A chance of showers after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 50%.
Sunday Night
 
 A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Monday
 
 A chance of showers. Mostly cloudy, with a high near 81. Chance of precipitation is 40%.
Monday Night
 
 Mostly cloudy, with a low around 63.
Tuesday
 
 Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Rensselaer NY.