National Weather Service Forecast for: Tonawanda NY
Issued by: National Weather Service Buffalo, NY
Updated: 3:57 am EDT Jun 22, 2026
 
Today

Today: Rain, mainly before noon, then a chance of showers after noon. High near 66. Light southeast wind becoming northeast 6 to 11 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Rain then
Chance
Showers
 Tonight

Tonight: Mostly cloudy, with a low around 55. Northeast wind 5 to 8 mph becoming calm in the evening.
Mostly Cloudy

 Tuesday

Tuesday: Sunny, with a high near 77. Northwest wind 3 to 6 mph.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: Mostly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Mostly Sunny

 Wednesday
Night
Wednesday Night: A slight chance of showers after 2am. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 20%.
Mostly Cloudy
then Slight
Chance
Showers
 Thursday

Thursday: Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 78. South wind 3 to 6 mph. Chance of precipitation is 60%.
Showers
Likely

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 6 mph. Chance of precipitation is 40%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: A chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Partly Sunny
then Chance
Showers
Hi 66 °F Lo 55 °F Hi 77 °F Lo 55 °F Hi 77 °F Lo 59 °F Hi 78 °F Lo 60 °F Hi 76 °F

Hazardous Weather Outlook
 

Today
 
 Rain, mainly before noon, then a chance of showers after noon. High near 66. Light southeast wind becoming northeast 6 to 11 mph in the morning. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
 
 Mostly cloudy, with a low around 55. Northeast wind 5 to 8 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 77. Northwest wind 3 to 6 mph.
Tuesday Night
 
 Mostly clear, with a low around 55. West wind around 5 mph becoming calm in the evening.
Wednesday
 
 Mostly sunny, with a high near 77. Calm wind becoming west around 6 mph in the afternoon.
Wednesday Night
 
 A slight chance of showers after 2am. Mostly cloudy, with a low around 59. Light and variable wind. Chance of precipitation is 20%.
Thursday
 
 Showers likely and possibly a thunderstorm, mainly after 2pm. Mostly cloudy, with a high near 78. South wind 3 to 6 mph. Chance of precipitation is 60%.
Thursday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Southwest wind around 6 mph. Chance of precipitation is 40%.
Friday
 
 A chance of showers after 2pm. Partly sunny, with a high near 76. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers before 8pm. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
Saturday
 
 Mostly sunny, with a high near 78.
Saturday Night
 
 Partly cloudy, with a low around 60.
Sunday
 
 Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Tonawanda NY.