Shirleysburg, PA Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 69 in the afternoon. South wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 7 mph S | 1% |
| Tonight | 59°F | Light Rain | 7 mph S | 93% |
| Thursday | 74°F | Light Rain Likely | 2 to 6 mph S | 70% |
| Thursday Night | 50°F | Mostly Cloudy | 2 mph SW | 12% |
| Friday | 68°F | Partly Sunny | 2 mph NW | 14% |
| Friday Night | 43°F | Partly Cloudy | 2 mph NW | 8% |
| Saturday | 58°F | Slight Chance Light Rain | 2 to 8 mph W | 17% |
| Saturday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 6 mph NW | 17% |
| Sunday | 59°F | Mostly Sunny | 7 mph W | 5% |
| Sunday Night | 34°F | Partly Cloudy | 5 mph W | 6% |
| Monday | 58°F | Mostly Sunny | 5 to 8 mph W | 6% |
| Monday Night | 33°F | Mostly Clear | 5 mph W | 4% |
| Tuesday | 62°F | Sunny | 3 to 7 mph W | 2% |
| Tuesday Night | 34°F | Mostly Clear | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Shirleysburg, PA
Last spring frost
Apr 19
First fall frost
Oct 28
Growing season
191 days
Hardiness zone
7a
Explore more for Shirleysburg, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Raystown Lake 2, Pa (15.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.