Millerstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millerstown, a borough in Perry County, Pennsylvania.
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. Southeast wind 2 to 8 mph.
7-day forecast for Millerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 2 to 8 mph SE | 1% |
| Tonight | 58°F | Light Rain | 5 mph SE | 82% |
| Thursday | 73°F | Light Rain | 2 to 6 mph S | 85% |
| Thursday Night | 52°F | Chance Light Rain then Mostly Cloudy | 1 mph SW | 28% |
| Friday | 68°F | Slight Chance Light Rain | 1 mph NW | 15% |
| Friday Night | 44°F | Partly Cloudy | 1 mph NW | 11% |
| Saturday | 59°F | Slight Chance Light Rain | 2 to 7 mph W | 17% |
| Saturday Night | 38°F | Partly Cloudy | 6 mph W | 13% |
| Sunday | 59°F | Mostly Sunny | 3 to 7 mph NW | 4% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph W | 5% |
| Monday | 58°F | Mostly Sunny | 5 to 8 mph W | 5% |
| Monday Night | 33°F | Mostly Clear | 1 to 5 mph W | 3% |
| Tuesday | 63°F | Mostly Sunny | 2 to 8 mph W | 1% |
| Tuesday Night | 34°F | Mostly Clear | 1 to 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Millerstown (40.556, -77.151). Updated through the day.
Growing snapshot for Millerstown
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
6b
More local growing data for Millerstown: nearby ZIP 17062 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lewistown, Pa (20.2 mi from Millerstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.