NWS Forecast for Tonawanda NY

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

Updated: 3:58 pm EDT Jul 28, 2026

Tonight Chance T-storms then Slight Chance Showers	Wednesday Slight Chance Showers	Wednesday Night Mostly Cloudy	Thursday Partly Sunny	Thursday Night Mostly Clear	Friday Sunny	Friday Night Partly Cloudy	Saturday Partly Sunny	Saturday Night Mostly Cloudy then Chance Showers
Lo 63 °F	Hi 77 °F	Lo 62 °F	Hi 80 °F	Lo 61 °F	Hi 83 °F	Lo 65 °F	Hi 84 °F	Lo 66 °F

Tonight	A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Mostly cloudy, with a low around 63. Northwest wind around 9 mph. Chance of precipitation is 30%.
Wednesday	A slight chance of showers after 10am. Mostly cloudy, with a high near 77. North wind around 11 mph. Chance of precipitation is 20%.
Wednesday Night	Mostly cloudy, with a low around 62. Northwest wind 6 to 8 mph.
Thursday	Partly sunny, with a high near 80. North wind around 8 mph.
Thursday Night	Mostly clear, with a low around 61. Calm wind.
Friday	Sunny, with a high near 83. Light west wind.
Friday Night	Partly cloudy, with a low around 65. Light south wind.
Saturday	Partly sunny, with a high near 84. Light south wind.
Saturday Night	A chance of showers after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Sunday	A chance of showers. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
Sunday Night	A chance of showers. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Monday	Partly sunny, with a high near 80.
Monday Night	Partly cloudy, with a low around 64.
Tuesday	Sunny, with a high near 83.

Forecast from NOAA-NWS for Tonawanda NY.