Mount Holly Springs, PA Weather & Growing Conditions
This Afternoon
70°F
Mostly Sunny
Mostly sunny, with a high near 70. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 50°F | Mostly Clear | 3 mph S | 2% |
| Wednesday | 73°F | Mostly Sunny | 3 to 9 mph S | 2% |
| Wednesday Night | 60°F | Mostly Cloudy then Rain Showers | 9 mph S | 80% |
| Thursday | 72°F | Rain Showers | 5 to 9 mph S | 76% |
| Thursday Night | 58°F | Chance Rain Showers | 3 mph W | 48% |
| Friday | 67°F | Chance Rain Showers | 2 mph NW | 48% |
| Friday Night | 48°F | Chance Rain Showers | 0 to 3 mph NW | 46% |
| Saturday | 61°F | Slight Chance Rain Showers | 5 to 8 mph NW | 15% |
| Saturday Night | 40°F | Partly Cloudy | 6 mph NW | 10% |
| Sunday | 58°F | Mostly Sunny | 6 mph W | 7% |
| Sunday Night | 39°F | Slight Chance Rain Showers | 6 mph W | 20% |
| Monday | 57°F | Slight Chance Rain Showers | 7 to 10 mph W | 24% |
| Monday Night | 39°F | Slight Chance Rain Showers | 7 mph W | 21% |
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 Nov 4, 2026.