Jamestown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a borough in Crawford County, Pennsylvania.
Today
85°F
Sunny
Sunny, with a high near 85. Southeast wind around 5 mph.
7-day forecast for Jamestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 5 mph SE | 0% |
| Tonight | 63°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 87°F | Mostly Sunny then Scattered Showers And Thunderstorms | 7 mph S | 50% |
| Wednesday Night | 67°F | Scattered Showers And Thunderstorms | 1 to 5 mph S | 50% |
| Thursday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 8 mph SW | 43% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 7 mph SW | 61% |
| Friday | 84°F | Showers And Thunderstorms | 3 to 7 mph SW | 80% |
| Friday Night | 65°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph SW | 80% |
| Saturday | 85°F | Chance Showers And Thunderstorms | 3 to 9 mph SW | 38% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 38% |
| Sunday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 21% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph SW | 36% |
| Monday | 86°F | Chance Rain Showers | 7 to 12 mph SW | 44% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 9 mph W | 53% |
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 Aug 4, 2026.