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.
This Afternoon
69°F
Mostly Sunny
Mostly sunny, with a high near 69. South wind around 5 mph.
7-day forecast for Mount Holly Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 50°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 72°F | Mostly Sunny | 2 to 9 mph S | 2% |
| Wednesday Night | 61°F | Mostly Cloudy then Rain Showers | 9 mph S | 79% |
| Thursday | 72°F | Rain Showers | 5 to 9 mph S | 76% |
| Thursday Night | 58°F | Chance Rain Showers | 1 to 5 mph W | 48% |
| Friday | 67°F | Chance Rain Showers | 2 mph NW | 48% |
| Friday Night | 48°F | Chance Rain Showers | 2 mph NW | 46% |
| Saturday | 61°F | Slight Chance Rain Showers | 2 to 8 mph NW | 15% |
| Saturday Night | 40°F | Partly Cloudy | 7 mph NW | 10% |
| Sunday | 58°F | Mostly Sunny | 6 mph W | 8% |
| Sunday Night | 39°F | Partly Cloudy then Slight Chance Rain Showers | 6 mph W | 20% |
| Monday | 58°F | Slight Chance Rain Showers | 6 to 10 mph W | 24% |
| Monday Night | 39°F | Slight Chance Rain Showers | 5 to 8 mph W | 21% |
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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Idaville
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Marysville
Mechanicsburg
Messiah College
New Kingstown
Newburg
Newville
Plainfield
Schlusser
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 3, 2026.