Millerstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millerstown, a borough in Perry County, Pennsylvania.
This Afternoon
74°F
Mostly Sunny
Mostly sunny, with a high near 74. Southeast wind around 7 mph.
7-day forecast for Millerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 74°F | Mostly Sunny | 7 mph SE | 0% |
| Tonight | 60°F | Mostly Cloudy then Rain Showers | 5 mph E | 93% |
| Thursday | 73°F | Rain Showers then Partly Sunny | 2 to 6 mph S | 83% |
| Thursday Night | 50°F | Mostly Cloudy | 1 mph W | 9% |
| Friday | 67°F | Partly Sunny | 2 mph W | 13% |
| Friday Night | 43°F | Mostly Cloudy | 0 to 5 mph NW | 13% |
| Saturday | 57°F | Chance Rain Showers | 5 to 9 mph W | 25% |
| Saturday Night | 40°F | Chance Rain Showers then Mostly Cloudy | 8 mph NW | 25% |
| Sunday | 60°F | Mostly Sunny | 6 to 9 mph W | 8% |
| Sunday Night | 36°F | Mostly Clear | 6 mph W | 0% |
| Monday | 59°F | Sunny | 5 to 9 mph W | 1% |
| Monday Night | 35°F | Mostly Clear | 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 2 to 8 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 0 to 5 mph W | 1% |
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.