Youngsville, PA Weather & Growing Conditions
This Afternoon
72°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 72. Southeast wind around 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Chance Rain Showers | 5 mph SE | 26% |
| Tonight | 58°F | Showers And Thunderstorms | 5 mph SE | 88% |
| Sunday | 70°F | Showers And Thunderstorms | 7 mph W | 93% |
| Sunday Night | 45°F | Mostly Cloudy | 7 mph NE | 12% |
| Monday | 66°F | Partly Sunny | 7 mph NE | 3% |
| Monday Night | 45°F | Chance Rain Showers | 7 mph E | 34% |
| Tuesday | 64°F | Chance Rain Showers | 8 mph E | 34% |
| Tuesday Night | 45°F | Chance Rain Showers | 9 mph E | 50% |
| Wednesday | 62°F | Chance Rain Showers | 9 mph SE | 50% |
| Wednesday Night | 44°F | Chance Rain Showers | 9 mph SE | 30% |
| Thursday | 64°F | Chance Rain Showers | 7 mph E | 28% |
| Thursday Night | 43°F | Slight Chance Rain Showers | 2 to 6 mph E | 15% |
| Friday | 68°F | Mostly Sunny | 3 to 7 mph NE | 11% |
| Friday Night | 44°F | Partly Cloudy | 2 to 7 mph NE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Youngsville, PA
Last spring frost
May 22
First fall frost
Sep 30
Growing season
131 days
Hardiness zone
5b
Explore more for Youngsville, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Chandlers Valley 1Se, Pa (11.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.