NWS Forecast for Tonawanda NY

National Weather Service Forecast for: Tonawanda NY
Issued by: National Weather Service Buffalo, NY

Updated: 1:56 am EDT Jun 21, 2025

Overnight Chance Showers	Saturday Partly Sunny	Saturday Night Partly Cloudy	Sunday Sunny	Sunday Night Clear	Monday Hot	Monday Night Clear	Tuesday Hot	Tuesday Night Partly Cloudy
Lo 64 °F	Hi 85 °F	Lo 74 °F	Hi 88 °F	Lo 74 °F	Hi 90 °F	Lo 74 °F	Hi 90 °F	Lo 68 °F

Hazardous Weather Outlook

Overnight	A chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 64. Southwest wind around 6 mph. Chance of precipitation is 30%.
Saturday	Partly sunny, with a high near 85. Southwest wind 7 to 13 mph.
Saturday Night	Partly cloudy, with a low around 74. South wind 10 to 17 mph.
Sunday	Sunny, with a high near 88. Southwest wind 14 to 17 mph.
Sunday Night	Clear, with a low around 74. Southwest wind 7 to 10 mph.
Monday	Sunny and hot, with a high near 90. Southwest wind 9 to 14 mph.
Monday Night	Clear, with a low around 74. Southwest wind 7 to 10 mph.
Tuesday	Sunny and hot, with a high near 90. Southwest wind 8 to 10 mph.
Tuesday Night	Partly cloudy, with a low around 68.
Wednesday	A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Wednesday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Thursday	A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Thursday Night	A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Friday	Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.

Forecast from NOAA-NWS for Tonawanda NY.