National Weather Service Forecast for: Tonawanda NY
Issued by: National Weather Service Buffalo, NY
Updated: 9:58 am EDT May 4, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 67. Breezy, with a southwest wind around 20 mph, with gusts as high as 34 mph.
Sunny and
Breezy
 Tonight

Tonight: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers
 Tuesday

Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 63. West wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Chance
Showers then
Showers
 Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm before 8pm, then showers between 8pm and midnight, then rain after midnight. Low around 43. West wind 5 to 9 mph becoming east in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Showers

 Wednesday

Wednesday: Rain before 8am, then a chance of showers, mainly between 8am and 2pm. High near 54. Northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain then
Chance
Showers
 Wednesday
Night
Wednesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 39. West wind 3 to 5 mph. Chance of precipitation is 20%.
Slight Chance
Showers
 Thursday

Thursday: Partly sunny, with a high near 53. North wind 3 to 7 mph.
Partly Sunny

 Thursday
Night
Thursday Night: Mostly cloudy, with a low around 38. West wind around 5 mph.
Mostly Cloudy

 Friday

Friday: Mostly sunny, with a high near 54.
Mostly Sunny
Hi 67 °F Lo 57 °F Hi 63 °F Lo 43 °F Hi 54 °F Lo 39 °F Hi 53 °F Lo 38 °F Hi 54 °F

 

This Afternoon
 
 Sunny, with a high near 67. Breezy, with a southwest wind around 20 mph, with gusts as high as 34 mph.
Tonight
 
 A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 57. South wind 11 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 63. West wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Showers and possibly a thunderstorm before 8pm, then showers between 8pm and midnight, then rain after midnight. Low around 43. West wind 5 to 9 mph becoming east in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
 
 Rain before 8am, then a chance of showers, mainly between 8am and 2pm. High near 54. Northeast wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 A slight chance of showers before 2am. Mostly cloudy, with a low around 39. West wind 3 to 5 mph. Chance of precipitation is 20%.
Thursday
 
 Partly sunny, with a high near 53. North wind 3 to 7 mph.
Thursday Night
 
 Mostly cloudy, with a low around 38. West wind around 5 mph.
Friday
 
 Mostly sunny, with a high near 54.
Friday Night
 
 Mostly cloudy, with a low around 40.
Saturday
 
 A chance of showers. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Saturday Night
 
 Partly cloudy, with a low around 42.
Sunday
 
 A chance of showers. Partly sunny, with a high near 60. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Tonawanda NY.