Heidlersburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heidlersburg, a community in Adams County, Pennsylvania.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind 0 to 3 mph.
7-day forecast for Heidlersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 0 to 3 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy then Patchy Fog | 0 to 3 mph E | 6% |
| Wednesday | 83°F | Showers And Thunderstorms Likely | 0 to 3 mph E | 66% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely | 3 mph SE | 65% |
| Thursday | 88°F | Patchy Fog then Chance Showers And Thunderstorms | 2 to 7 mph S | 52% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 52% |
| Friday | 87°F | Showers And Thunderstorms Likely | 0 to 5 mph W | 56% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 3 mph W | 56% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 46% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 46% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 13% |
| Sunday Night | 69°F | Partly Cloudy | 2 mph SW | 13% |
| Monday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph W | 16% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 7 mph W | 16% |
Forecast source: National Weather Service (api.weather.gov) for Heidlersburg (39.947, -77.150). Updated through the day.
Growing snapshot for Heidlersburg
Last spring frost
Apr 15
First fall frost
Oct 27
Growing season
194 days
Hardiness zone
7a
More local growing data for Heidlersburg: nearby ZIP 17372 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Biglerville, Pa (8.7 mi from Heidlersburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.