Tonawanda, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tonawanda, a city in Erie County, New York.
Overnight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. East wind around 6 mph.
7-day forecast for Tonawanda
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Partly Cloudy | 6 mph E | 1% |
| Saturday | 69°F | Partly Sunny | 5 to 8 mph E | 1% |
| Saturday Night | 55°F | Chance Rain Showers | 2 to 8 mph E | 47% |
| Sunday | 66°F | Rain Showers Likely | 2 to 10 mph NE | 70% |
| Sunday Night | 49°F | Mostly Cloudy | 3 to 8 mph NE | 2% |
| Monday | 62°F | Mostly Cloudy | 8 to 12 mph NE | 0% |
| Monday Night | 47°F | Mostly Cloudy | 7 to 10 mph NE | 2% |
| Tuesday | 63°F | Mostly Cloudy | 8 to 13 mph E | 10% |
| Tuesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 7 to 13 mph E | 18% |
| Wednesday | 64°F | Chance Rain Showers | 8 to 12 mph E | 27% |
| Wednesday Night | 48°F | Chance Rain Showers | 5 to 12 mph E | 32% |
| Thursday | 66°F | Chance Rain Showers | 6 to 9 mph E | 32% |
| Thursday Night | 48°F | Slight Chance Rain Showers | 3 to 9 mph NE | 20% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 5 to 9 mph NE | 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
Nearby towns & communities
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Cheektowaga
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Eggertsville
Elma Center
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Hamburg
Harris Hill
Highland-on-the-Lake
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Kenmore
Lackawanna
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Orchard Park
Rapids
Sloan
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 Sep 19, 2026.