Foundryville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foundryville, a community in Columbia County, Pennsylvania.
Overnight
49°F
Areas Of Fog
Areas of fog. Partly cloudy, with a low around 49. Northeast wind around 2 mph.
7-day forecast for Foundryville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Areas Of Fog | 2 mph NE | 0% |
| Saturday | 73°F | Areas Of Fog then Mostly Sunny | 1 mph E | 2% |
| Saturday Night | 57°F | Mostly Cloudy then Rain Showers Likely | 0 to 5 mph SE | 74% |
| Sunday | 70°F | Rain Showers | 5 mph S | 98% |
| Sunday Night | 55°F | Showers And Thunderstorms | 5 mph N | 96% |
| Monday | 68°F | Chance Rain Showers | 5 mph NE | 26% |
| Monday Night | 51°F | Chance Rain Showers | 2 to 6 mph NE | 43% |
| Tuesday | 62°F | Chance Rain Showers | 6 mph E | 45% |
| Tuesday Night | 47°F | Chance Rain Showers | 6 mph E | 45% |
| Wednesday | 61°F | Chance Rain Showers | 6 mph NE | 39% |
| Wednesday Night | 48°F | Chance Showers And Thunderstorms | 6 mph NE | 39% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 2 to 6 mph NE | 38% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 2 mph NE | 37% |
| Friday | 68°F | Slight Chance Rain Showers then Partly Sunny | 3 mph N | 21% |
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.