Harman US

Hornell, NY Weather & Growing Conditions

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

Today
84°F
Areas Of Fog then Sunny
Areas of fog before 9am. Sunny, with a high near 84. South wind around 2 mph.

7-day forecast for Hornell

WhenTempForecastWindPrecip
Today 84°F Areas Of Fog then Sunny 2 mph S 0%
Tonight 60°F Mostly Clear 2 mph SE 0%
Wednesday 87°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 2 to 7 mph S 22%
Wednesday Night 65°F Chance Showers And Thunderstorms 5 mph S 31%
Thursday 86°F Showers And Thunderstorms 2 to 6 mph SW 85%
Thursday Night 65°F Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 1 to 5 mph SW 85%
Friday 85°F Showers And Thunderstorms 1 to 6 mph SW 81%
Friday Night 63°F Showers And Thunderstorms then Chance Showers And Thunderstorms 3 mph SW 81%
Saturday 85°F Chance Rain Showers then Chance Showers And Thunderstorms 2 to 7 mph W 50%
Saturday Night 63°F Chance Showers And Thunderstorms then Partly Cloudy 5 mph W 50%
Sunday 88°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 3 to 8 mph SW 22%
Sunday Night 66°F Slight Chance Showers And Thunderstorms 7 mph SW 22%
Monday 86°F Chance Rain Showers 6 to 12 mph W 38%
Monday Night 63°F Chance Showers And Thunderstorms 3 to 9 mph W 45%

Forecast source: National Weather Service (api.weather.gov) for Hornell (42.333, -77.663). Updated through the day.

Growing snapshot for Hornell

Last spring frost
May 11
First fall frost
Oct 8
Growing season
150 days
Hardiness zone
5b

More local growing data for Hornell: nearby ZIP 14843 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Hornell Almond Dam, Ny (3.7 mi from Hornell). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.