Mount Holly Springs, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mount Holly Springs, a borough in Cumberland County, Pennsylvania.
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. South wind 3 to 9 mph.
7-day forecast for Mount Holly Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 3 to 9 mph S | 1% |
| Tonight | 61°F | Mostly Cloudy then Light Rain | 10 mph S | 77% |
| Thursday | 72°F | Light Rain Likely | 5 to 10 mph S | 74% |
| Thursday Night | 56°F | Chance Light Rain | 1 to 5 mph SW | 39% |
| Friday | 67°F | Slight Chance Light Rain | 1 mph NW | 19% |
| Friday Night | 47°F | Slight Chance Light Rain then Partly Cloudy | 1 to 5 mph NW | 15% |
| Saturday | 57°F | Mostly Sunny | 5 to 9 mph W | 12% |
| Saturday Night | 41°F | Partly Cloudy | 7 to 10 mph W | 12% |
| Sunday | 57°F | Mostly Sunny | 8 mph NW | 3% |
| Sunday Night | 39°F | Mostly Clear | 7 mph W | 4% |
| Monday | 58°F | Sunny | 7 to 10 mph W | 4% |
| Monday Night | 37°F | Mostly Clear | 3 to 7 mph W | 3% |
| Tuesday | 61°F | Sunny | 5 to 9 mph W | 1% |
| Tuesday Night | 39°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Mount Holly Springs (40.109, -77.183). Updated through the day.
Growing snapshot for Mount Holly Springs
Last spring frost
Apr 15
First fall frost
Oct 27
Growing season
194 days
Hardiness zone
7a
More local growing data for Mount Holly Springs: nearby ZIP 17065 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
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New Kingstown
Newburg
Newville
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Shippensburg
Shippensburg University
Shiremanstown
Climate data from the nearest NOAA station, Biglerville, Pa (9.5 mi from Mount Holly Springs). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.