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Tonawanda, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Tonawanda, a city in Erie County, New York.

Today
81°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 81. Southwest wind 6 to 9 mph.

7-day forecast for Tonawanda

WhenTempForecastWindPrecip
Today 81°F Patchy Fog then Sunny 6 to 9 mph SW 0%
Tonight 63°F Mostly Clear 1 to 7 mph SE 0%
Wednesday 86°F Sunny 6 mph S 11%
Wednesday Night 69°F Slight Chance Showers And Thunderstorms 5 mph SW 34%
Thursday 84°F Chance Showers And Thunderstorms 3 to 8 mph SW 39%
Thursday Night 67°F Slight Chance Showers And Thunderstorms 3 to 7 mph SW 41%
Friday 82°F Chance Showers And Thunderstorms 6 mph SW 51%
Friday Night 66°F Chance Showers And Thunderstorms 5 mph SW 51%
Saturday 83°F Chance Showers And Thunderstorms 5 to 9 mph SW 35%
Saturday Night 68°F Slight Chance Showers And Thunderstorms 6 to 9 mph SW 20%
Sunday 84°F Slight Chance Showers And Thunderstorms 7 to 13 mph SW 31%
Sunday Night 68°F Chance Showers And Thunderstorms 10 mph SW 48%
Monday 82°F Chance Rain Showers 12 mph SW 43%
Monday Night 65°F Chance Showers And Thunderstorms 5 to 9 mph SW 56%

Forecast source: National Weather Service (api.weather.gov) for Tonawanda (43.012, -78.883). Updated through the day.

Growing snapshot for Tonawanda

Last spring frost
May 6
First fall frost
Oct 15
Growing season
160 days
Hardiness zone
6b

More local growing data for Tonawanda: nearby ZIP 14150 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, N Tonawanda, Ny (4.2 mi from Tonawanda). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.