Foundryville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foundryville, a community in Columbia County, Pennsylvania.
This Afternoon
73°F
Slight Chance Rain Showers
A slight chance of rain showers. Partly sunny, with a high near 73. Wind around 0 mph. Chance of precipitation is 20%.
7-day forecast for Foundryville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Slight Chance Rain Showers | 0 mph | 15% |
| Tonight | 57°F | Rain Showers | 1 to 6 mph E | 84% |
| Sunday | 73°F | Rain Showers | 1 to 6 mph S | 96% |
| Sunday Night | 52°F | Showers And Thunderstorms Likely then Mostly Cloudy | 1 to 5 mph N | 74% |
| Monday | 70°F | Mostly Cloudy | 5 mph NE | 9% |
| Monday Night | 48°F | Chance Rain Showers | 3 mph NE | 38% |
| Tuesday | 64°F | Chance Rain Showers | 3 mph NE | 38% |
| Tuesday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph E | 32% |
| Wednesday | 63°F | Slight Chance Rain Showers | 6 mph E | 19% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph E | 24% |
| Thursday | 62°F | Slight Chance Rain Showers | 6 mph NE | 24% |
| Thursday Night | 46°F | Slight Chance Rain Showers | 3 mph NE | 24% |
| Friday | 66°F | Chance Rain Showers | 5 mph N | 26% |
| Friday Night | 47°F | Chance Rain Showers | 5 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Foundryville (41.077, -76.235). Updated through the day.
Growing snapshot for Foundryville
Last spring frost
May 4
First fall frost
Oct 11
Growing season
159 days
Hardiness zone
6b
More local growing data for Foundryville: nearby ZIP 18603 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Benton 3 Ne, Pa (11.4 mi from Foundryville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.