Youngsville, PA Weather & Growing Conditions
This Afternoon
71°F
Mostly Cloudy
Mostly cloudy, with a high near 71. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Cloudy | 5 mph SE | 5% |
| Tonight | 57°F | Rain Showers Likely | 6 mph SE | 67% |
| Sunday | 68°F | Showers And Thunderstorms | 7 mph W | 93% |
| Sunday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NE | 19% |
| Monday | 63°F | Mostly Cloudy | 8 mph NE | 3% |
| Monday Night | 44°F | Chance Rain Showers | 7 mph NE | 42% |
| Tuesday | 60°F | Chance Rain Showers | 8 mph E | 42% |
| Tuesday Night | 44°F | Chance Rain Showers | 10 mph E | 52% |
| Wednesday | 58°F | Chance Rain Showers | 9 mph SE | 52% |
| Wednesday Night | 44°F | Chance Showers And Thunderstorms | 9 mph SE | 50% |
| Thursday | 63°F | Chance Showers And Thunderstorms | 7 mph E | 50% |
| Thursday Night | 44°F | Chance Showers And Thunderstorms | 6 mph E | 31% |
| Friday | 66°F | Slight Chance Rain Showers | 3 to 7 mph NE | 16% |
| Friday Night | 44°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 7 mph NE | 15% |
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
6a
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 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.