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Jamestown, NY Weather & Growing Conditions

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

Tonight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. Northeast wind 2 to 9 mph.

7-day forecast for Jamestown

WhenTempForecastWindPrecip
Tonight 50°F Mostly Cloudy 2 to 9 mph NE 2%
Saturday 71°F Partly Sunny 5 mph SE 13%
Saturday Night 58°F Showers And Thunderstorms 6 mph SE 84%
Sunday 69°F Showers And Thunderstorms 5 to 9 mph W 82%
Sunday Night 49°F Chance Rain Showers then Mostly Cloudy 6 to 9 mph NE 45%
Monday 64°F Mostly Cloudy 8 to 12 mph NE 9%
Monday Night 47°F Chance Rain Showers 7 to 12 mph E 42%
Tuesday 63°F Chance Rain Showers 8 to 12 mph E 42%
Tuesday Night 47°F Rain Showers Likely 13 mph E 55%
Wednesday 61°F Rain Showers Likely 12 mph SE 55%
Wednesday Night 47°F Chance Showers And Thunderstorms 7 to 12 mph SE 53%
Thursday 63°F Chance Rain Showers 8 mph E 46%
Thursday Night 48°F Chance Rain Showers 2 to 8 mph NE 39%
Friday 67°F Partly Sunny then Slight Chance Rain Showers 3 to 8 mph NE 15%

Forecast source: National Weather Service (api.weather.gov) for Jamestown (42.098, -79.236). Updated through the day.

Growing snapshot for Jamestown

Last spring frost
May 8
First fall frost
Oct 13
Growing season
158 days
Hardiness zone
6a

More local growing data for Jamestown: nearby ZIP 14701 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Jamestown 4 Ene, Ny (5.6 mi from Jamestown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.