National Weather Service Forecast for: Rensselaer NY
Issued by: National Weather Service Albany, NY
Updated: 8:36 pm EDT Jun 18, 2026
 
Tonight

Tonight: Increasing clouds, with a low around 60. West wind around 7 mph, with gusts as high as 29 mph.
Increasing
Clouds
 Juneteenth

Juneteenth: Mostly sunny, with a high near 79. West wind 9 to 14 mph, with gusts as high as 36 mph.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 58. West wind 6 to 9 mph, with gusts as high as 20 mph.
Mostly Clear

 Saturday

Saturday: Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Mostly Sunny
then Isolated
T-storms
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 57. West wind 5 to 9 mph becoming light after midnight.
Partly Cloudy

 Sunday

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Chance
Showers
 Sunday
Night
Sunday Night: A chance of showers before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
 Monday

Monday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Showers
Likely
 Monday
Night
Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Showers
Likely
Lo 60 °F Hi 79 °F Lo 58 °F Hi 76 °F Lo 57 °F Hi 79 °F Lo 56 °F Hi 76 °F Lo 59 °F

 

Tonight
 
 Increasing clouds, with a low around 60. West wind around 7 mph, with gusts as high as 29 mph.
Juneteenth
 
 Mostly sunny, with a high near 79. West wind 9 to 14 mph, with gusts as high as 36 mph.
Friday Night
 
 Mostly clear, with a low around 58. West wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday
 
 Isolated showers and thunderstorms after 2pm. Mostly sunny, with a high near 76. West wind 13 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Saturday Night
 
 Partly cloudy, with a low around 57. West wind 5 to 9 mph becoming light after midnight.
Sunday
 
 A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
Sunday Night
 
 A chance of showers before 8pm. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
Monday
 
 Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 70%.
Monday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
 
 A chance of showers before 2pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Tuesday Night
 
 Partly cloudy, with a low around 59.
Wednesday
 
 Sunny, with a high near 82.
Wednesday Night
 
 Partly cloudy, with a low around 59.
Thursday
 
 Showers likely. Partly sunny, with a high near 81. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Rensselaer NY.