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
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind 0 to 3 mph.
7-day forecast for Mount Holly Springs
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 0 to 3 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy | 3 mph SE | 5% |
| Wednesday | 81°F | Chance Showers And Thunderstorms | 3 mph E | 55% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 3 mph SE | 64% |
| Thursday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 2 to 6 mph S | 58% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 6 mph SW | 58% |
| Friday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 1 to 5 mph SW | 59% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 3 mph SW | 59% |
| Saturday | 84°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph W | 50% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph W | 50% |
| Sunday | 86°F | Mostly Sunny | 1 to 5 mph W | 14% |
| Sunday Night | 71°F | Partly Cloudy | 3 mph SW | 14% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 17% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms | 6 mph W | 17% |
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
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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 Aug 4, 2026.