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
78°F
Partly Sunny
Partly sunny, with a high near 78. North wind around 6 mph.
7-day forecast for Mount Holly Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Partly Sunny | 6 mph N | 0% |
| Tonight | 53°F | Partly Cloudy | 7 mph N | 0% |
| Saturday | 73°F | Mostly Sunny | 3 mph E | 3% |
| Saturday Night | 63°F | Chance Rain Showers | 3 to 10 mph SE | 41% |
| Sunday | 75°F | Showers And Thunderstorms | 5 to 10 mph S | 93% |
| Sunday Night | 59°F | Showers And Thunderstorms | 5 to 10 mph NW | 93% |
| Monday | 66°F | Chance Rain Showers | 5 to 10 mph N | 37% |
| Monday Night | 55°F | Rain Showers Likely | 6 to 9 mph NE | 60% |
| Tuesday | 59°F | Rain Showers Likely | 9 mph NE | 68% |
| Tuesday Night | 51°F | Rain Showers Likely | 10 mph NE | 68% |
| Wednesday | 57°F | Chance Rain Showers | 7 to 10 mph NE | 54% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 8 mph NE | 54% |
| Thursday | 59°F | Chance Showers And Thunderstorms | 5 to 8 mph NE | 48% |
| Thursday Night | 51°F | Chance Rain Showers | 5 mph N | 41% |
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
Boiling Springs
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Idaville
Lemoyne
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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 Sep 18, 2026.