National Weather Service Forecast for: Tonawanda NY
Issued by: National Weather Service Buffalo, NY
Updated: 12:36 am EST Dec 5, 2025
 
Overnight

Overnight: Mostly clear, with a low around 11. South wind around 6 mph.
Mostly Clear
 Friday

Friday: Mostly sunny, with a high near 31. Southwest wind 6 to 9 mph.
Mostly Sunny
 Friday
Night
Friday Night: Mostly cloudy, with a low around 24. South wind 7 to 10 mph, with gusts as high as 21 mph.
Mostly Cloudy
 Saturday

Saturday: A chance of snow showers before 10am, then snow likely after 10am. Cloudy, with a high near 36. Southwest wind 10 to 14 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Snow Likely
 Saturday
Night
Saturday Night: A slight chance of snow showers before 1am. Mostly cloudy, with a low around 22. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Slight Chance
Snow Showers
 Sunday

Sunday: Snow, mainly after 1pm. High near 32. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 80%.
Chance Snow
then Snow
 Sunday
Night
Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 12. North wind around 7 mph. Chance of precipitation is 40%.
Chance Snow
 Monday

Monday: Mostly sunny, with a high near 23. North wind around 6 mph.
Mostly Sunny
 Monday
Night
Monday Night: Mostly cloudy, with a low around 11.
Mostly Cloudy
Lo 11 °F Hi 31 °F Lo 24 °F Hi 36 °F Lo 22 °F Hi 32 °F Lo 12 °F Hi 23 °F Lo 11 °F

 

Overnight
 
 Mostly clear, with a low around 11. South wind around 6 mph.
Friday
 
 Mostly sunny, with a high near 31. Southwest wind 6 to 9 mph.
Friday Night
 
 Mostly cloudy, with a low around 24. South wind 7 to 10 mph, with gusts as high as 21 mph.
Saturday
 
 A chance of snow showers before 10am, then snow likely after 10am. Cloudy, with a high near 36. Southwest wind 10 to 14 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
 
 A slight chance of snow showers before 1am. Mostly cloudy, with a low around 22. West wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday
 
 Snow, mainly after 1pm. High near 32. Calm wind becoming north 5 to 7 mph in the morning. Chance of precipitation is 80%.
Sunday Night
 
 A chance of snow before 1am. Mostly cloudy, with a low around 12. North wind around 7 mph. Chance of precipitation is 40%.
Monday
 
 Mostly sunny, with a high near 23. North wind around 6 mph.
Monday Night
 
 Mostly cloudy, with a low around 11.
Tuesday
 
 Snow showers. High near 34. Chance of precipitation is 80%.
Tuesday Night
 
 Snow showers likely. Cloudy, with a low around 28. Chance of precipitation is 60%.
Wednesday
 
 Rain and snow showers. High near 41. Chance of precipitation is 90%.
Wednesday Night
 
 Rain and snow showers likely. Cloudy, with a low around 23. Chance of precipitation is 70%.
Thursday
 
 Snow showers likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Tonawanda NY.