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Jamestown, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a borough in Crawford County, Pennsylvania.

Today
74°F
Mostly Cloudy
Mostly cloudy, with a high near 74. East wind around 7 mph.

7-day forecast for Jamestown

WhenTempForecastWindPrecip
Today 74°F Mostly Cloudy 7 mph E 10%
Tonight 62°F Showers And Thunderstorms Likely 6 mph SE 62%
Sunday 72°F Showers And Thunderstorms 6 to 12 mph W 89%
Sunday Night 51°F Chance Rain Showers then Mostly Cloudy 7 to 13 mph NE 45%
Monday 66°F Mostly Cloudy 12 mph NE 8%
Monday Night 50°F Chance Rain Showers 12 mph NE 44%
Tuesday 63°F Chance Rain Showers 12 to 15 mph E 44%
Tuesday Night 49°F Rain Showers Likely 17 mph E 55%
Wednesday 63°F Rain Showers Likely 17 mph E 55%
Wednesday Night 50°F Showers And Thunderstorms Likely 13 to 16 mph SE 60%
Thursday 66°F Showers And Thunderstorms Likely 9 to 13 mph E 58%
Thursday Night 49°F Slight Chance Rain Showers 5 to 9 mph E 20%
Friday 68°F Slight Chance Rain Showers 6 to 12 mph NE 20%
Friday Night 49°F Partly Cloudy 5 to 10 mph NE 12%

Forecast source: National Weather Service (api.weather.gov) for Jamestown (41.484, -80.437). Updated through the day.

Growing snapshot for Jamestown

Last spring frost
May 4
First fall frost
Oct 14
Growing season
161 days
Hardiness zone
6a

More local growing data for Jamestown: nearby ZIP 16110 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Jamestown 2 Nw, Pa (4.2 mi from Jamestown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.