Youngsville, PA Weather & Growing Conditions
Overnight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Mostly Cloudy | 2 mph SE | 0% |
| Wednesday | 76°F | Partly Sunny | 2 to 9 mph S | 4% |
| Wednesday Night | 57°F | Light Rain | 9 mph S | 99% |
| Thursday | 67°F | Light Rain Likely | 6 to 9 mph SW | 58% |
| Thursday Night | 45°F | Mostly Cloudy | 5 mph SW | 2% |
| Friday | 61°F | Mostly Cloudy then Chance Light Rain | 5 mph SW | 38% |
| Friday Night | 39°F | Light Rain Likely | 3 mph W | 61% |
| Saturday | 52°F | Light Rain Likely | 3 to 7 mph W | 61% |
| Saturday Night | 33°F | Light Rain Likely | 6 mph W | 58% |
| Sunday | 52°F | Slight Chance Light Rain then Partly Sunny | 5 to 9 mph W | 15% |
| Sunday Night | 31°F | Slight Chance Light Rain | 3 to 7 mph W | 21% |
| Monday | 54°F | Chance Light Rain | 5 to 8 mph W | 31% |
| Monday Night | 32°F | Slight Chance Light Rain then Partly Cloudy | 6 mph SW | 22% |
| Tuesday | 57°F | Mostly Sunny then Slight Chance Light Rain | 6 to 9 mph SW | 17% |
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 (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.