Mount Holly Springs, PA Weather & Growing Conditions
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. North wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 6 mph N | 0% |
| Saturday | 74°F | Mostly Sunny | 3 mph E | 3% |
| Saturday Night | 62°F | Chance Rain Showers | 2 to 8 mph SE | 45% |
| Sunday | 75°F | Showers And Thunderstorms | 3 to 9 mph S | 92% |
| Sunday Night | 59°F | Showers And Thunderstorms | 3 to 8 mph NW | 92% |
| Monday | 66°F | Chance Rain Showers | 5 to 8 mph N | 38% |
| Monday Night | 55°F | Rain Showers Likely | 5 to 8 mph NE | 62% |
| Tuesday | 59°F | Rain Showers Likely | 8 mph NE | 69% |
| Tuesday Night | 50°F | Rain Showers Likely | 9 mph NE | 69% |
| Wednesday | 57°F | Chance Rain Showers | 6 to 9 mph NE | 54% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 7 mph NE | 54% |
| Thursday | 59°F | Chance Showers And Thunderstorms | 7 mph NE | 48% |
| Thursday Night | 50°F | Chance Rain Showers | 5 mph N | 42% |
| Friday | 64°F | Slight Chance Rain Showers | 6 mph N | 24% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Holly Springs, PA
Last spring frost
Apr 15
First fall frost
Oct 27
Growing season
194 days
Hardiness zone
7a
Explore more for Mount Holly Springs, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Biglerville, Pa (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.