Blacksville, PA Weather & Growing Conditions
Today
76°F
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 1pm. Partly sunny, with a high near 76. South wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny then Slight Chance Light Rain | 8 to 13 mph S | 17% |
| Tonight | 60°F | Light Rain | 10 mph S | 85% |
| Thursday | 69°F | Chance Light Rain then Partly Sunny | 7 to 13 mph SW | 31% |
| Thursday Night | 48°F | Partly Cloudy | 2 to 6 mph SW | 3% |
| Friday | 63°F | Partly Sunny then Slight Chance Light Rain | 2 to 8 mph SW | 18% |
| Friday Night | 42°F | Chance Light Rain | 3 to 7 mph W | 33% |
| Saturday | 52°F | Chance Light Rain | 7 to 10 mph W | 26% |
| Saturday Night | 36°F | Slight Chance Light Rain | 3 to 8 mph W | 21% |
| Sunday | 55°F | Mostly Sunny | 5 to 12 mph W | 9% |
| Sunday Night | 33°F | Mostly Clear | 8 mph SW | 5% |
| Monday | 56°F | Mostly Sunny | 7 to 12 mph W | 7% |
| Monday Night | 34°F | Mostly Clear | 6 to 9 mph SW | 7% |
| Tuesday | 60°F | Sunny | 9 to 13 mph SW | 3% |
| Tuesday Night | 35°F | Mostly Clear | 3 to 7 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blacksville, PA
Last spring frost
May 3
First fall frost
Oct 15
Growing season
164 days
Hardiness zone
6b
Explore more for Blacksville, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Waynesburg 1 E, Pa (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.