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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.

Tonight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. South wind 5 to 9 mph.

7-day forecast for Tonawanda

WhenTempForecastWindPrecip
Tonight 58°F Partly Cloudy 5 to 9 mph S 0%
Wednesday 77°F Partly Sunny 6 to 10 mph S 9%
Wednesday Night 59°F Rain Showers 7 to 12 mph S 92%
Thursday 65°F Rain Showers Likely 10 to 15 mph SW 70%
Thursday Night 50°F Mostly Cloudy 3 to 8 mph SW 20%
Friday 62°F Chance Rain Showers 6 mph W 27%
Friday Night 45°F Chance Rain Showers 2 to 6 mph NW 56%
Saturday 54°F Chance Rain Showers 9 mph NW 56%
Saturday Night 38°F Chance Rain Showers 3 to 7 mph W 24%
Sunday 55°F Partly Sunny 5 to 10 mph SW 14%
Sunday Night 37°F Slight Chance Rain Showers 6 to 9 mph W 20%
Monday 56°F Slight Chance Light Rain 7 to 13 mph W 23%
Monday Night 41°F Slight Chance Light Rain then Slight Chance Rain Showers 7 to 10 mph W 23%
Tuesday 56°F Slight Chance Light Rain 10 to 15 mph SW 17%

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 Nov 4, 2026.