Heidlersburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Heidlersburg, a community in Adams County, Pennsylvania.
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind around 12 mph.
7-day forecast for Heidlersburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 12 mph S | 1% |
| Tonight | 59°F | Mostly Cloudy then Light Rain Likely | 7 to 12 mph S | 74% |
| Thursday | 74°F | Light Rain | 5 to 12 mph S | 78% |
| Thursday Night | 56°F | Chance Light Rain | 0 to 5 mph W | 44% |
| Friday | 69°F | Slight Chance Light Rain | 2 mph N | 24% |
| Friday Night | 46°F | Slight Chance Light Rain then Partly Cloudy | 3 mph NW | 18% |
| Saturday | 60°F | Mostly Sunny | 3 to 12 mph W | 12% |
| Saturday Night | 39°F | Partly Cloudy | 7 to 12 mph W | 12% |
| Sunday | 59°F | Mostly Sunny | 10 mph NW | 3% |
| Sunday Night | 37°F | Mostly Clear | 7 mph W | 3% |
| Monday | 59°F | Sunny | 7 to 13 mph W | 3% |
| Monday Night | 35°F | Mostly Clear | 3 to 7 mph W | 3% |
| Tuesday | 64°F | Sunny | 5 to 10 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 6 mph W | 0% |
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 Nov 4, 2026.