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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.