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
Partly Sunny
Partly sunny, with a high near 74. East wind around 2 mph.
7-day forecast for Millerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Partly Sunny | 2 mph E | 3% |
| Tonight | 61°F | Rain Showers | 1 to 7 mph SE | 80% |
| Sunday | 74°F | Rain Showers | 2 to 7 mph S | 87% |
| Sunday Night | 54°F | Showers And Thunderstorms | 2 to 8 mph NW | 87% |
| Monday | 67°F | Mostly Cloudy | 5 to 8 mph N | 13% |
| Monday Night | 50°F | Chance Rain Showers | 7 mph NE | 48% |
| Tuesday | 59°F | Rain Showers Likely | 7 mph E | 56% |
| Tuesday Night | 48°F | Chance Rain Showers | 5 to 8 mph E | 48% |
| Wednesday | 60°F | Chance Rain Showers | 8 mph E | 44% |
| Wednesday Night | 48°F | Chance Rain Showers | 6 mph NE | 36% |
| Thursday | 61°F | Chance Rain Showers | 6 mph NE | 37% |
| Thursday Night | 48°F | Chance Rain Showers | 5 mph NE | 37% |
| Friday | 66°F | Chance Rain Showers | 5 mph N | 29% |
| Friday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph N | 24% |
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 Sep 19, 2026.