Jamestown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jamestown, a borough in Crawford County, Pennsylvania.
This Afternoon
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 71 in the afternoon. South wind around 13 mph.
7-day forecast for Jamestown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 13 mph S | 2% |
| Tonight | 57°F | Mostly Clear | 9 mph SE | 3% |
| Wednesday | 74°F | Partly Sunny then Chance Light Rain | 9 to 15 mph S | 37% |
| Wednesday Night | 58°F | Light Rain | 9 to 16 mph S | 97% |
| Thursday | 67°F | Slight Chance Light Rain then Mostly Sunny | 8 to 15 mph SW | 23% |
| Thursday Night | 46°F | Partly Cloudy | 2 to 7 mph SW | 2% |
| Friday | 62°F | Partly Sunny then Slight Chance Light Rain | 2 to 8 mph W | 24% |
| Friday Night | 43°F | Chance Light Rain | 3 to 7 mph NW | 41% |
| Saturday | 54°F | Chance Light Rain | 7 to 12 mph W | 39% |
| Saturday Night | 37°F | Chance Light Rain | 3 to 8 mph W | 38% |
| Sunday | 54°F | Partly Sunny then Slight Chance Light Rain | 5 to 12 mph SW | 23% |
| Sunday Night | 35°F | Chance Light Rain | 8 mph W | 26% |
| Monday | 56°F | Chance Light Rain | 7 to 14 mph W | 34% |
| Monday Night | 36°F | Chance Light Rain | 9 mph SW | 34% |
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 Nov 3, 2026.