National Weather Service Forecast for: Rensselaer NY
Issued by: National Weather Service Albany, NY
Updated: 2:36 pm EDT May 4, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 71. Southwest wind around 14 mph, with gusts as high as 24 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 53. South wind 6 to 10 mph.
Partly Cloudy

 Tuesday

Tuesday: A slight chance of showers before 9am. Mostly sunny, with a high near 83. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Slight Chance
Showers then
Partly Sunny
and Breezy
 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

 Wednesday

Wednesday: Rain. High near 65. South wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Rain

 Wednesday
Night
Wednesday Night: Rain before 8pm, then showers likely, mainly between 8pm and 2am. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Rain

 Thursday

Thursday: A chance of showers before 8am. Mostly sunny, with a high near 62. Chance of precipitation is 30%.
Chance
Showers then
Mostly Sunny
 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 40.
Mostly Cloudy

 Friday

Friday: Mostly sunny, with a high near 60.
Mostly Sunny
Hi 71 °F Lo 53 °F Hi 83 °F Lo 54 °F Hi 65 °F Lo 44 °F Hi 62 °F Lo 40 °F Hi 60 °F

Special Weather Statement
Red Flag Warning
 

This Afternoon
 
 Mostly sunny, with a high near 71. Southwest wind around 14 mph, with gusts as high as 24 mph.
Tonight
 
 Partly cloudy, with a low around 53. South wind 6 to 10 mph.
Tuesday
 
 A slight chance of showers before 9am. Mostly sunny, with a high near 83. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. Southwest wind 5 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Rain. High near 65. South wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
 
 Rain before 8pm, then showers likely, mainly between 8pm and 2am. Low around 44. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
 
 A chance of showers before 8am. Mostly sunny, with a high near 62. Chance of precipitation is 30%.
Thursday Night
 
 Mostly cloudy, with a low around 40.
Friday
 
 Mostly sunny, with a high near 60.
Friday Night
 
 Partly cloudy, with a low around 43.
Saturday
 
 A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 50%.
Saturday Night
 
 A chance of showers. Mostly cloudy, with a low around 42. Chance of precipitation is 30%.
Sunday
 
 Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Rensselaer NY.