Millerstown, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Millerstown, a borough in Perry County, Pennsylvania.
This Afternoon
79°F
Mostly Sunny
Mostly sunny, with a high near 79. North wind around 3 mph.
7-day forecast for Millerstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Mostly Sunny | 3 mph N | 0% |
| Tonight | 52°F | Partly Cloudy then Patchy Fog | 2 to 6 mph N | 0% |
| Saturday | 74°F | Patchy Fog then Mostly Sunny | 2 mph E | 3% |
| Saturday Night | 61°F | Mostly Cloudy then Rain Showers Likely | 1 to 7 mph SE | 60% |
| Sunday | 74°F | Rain Showers | 2 to 7 mph S | 96% |
| Sunday Night | 57°F | Showers And Thunderstorms | 1 to 7 mph NW | 96% |
| Monday | 68°F | Chance Rain Showers | 3 to 7 mph NE | 32% |
| Monday Night | 54°F | Rain Showers Likely | 3 to 7 mph NE | 57% |
| Tuesday | 61°F | Rain Showers Likely | 7 mph E | 62% |
| Tuesday Night | 49°F | Rain Showers Likely | 7 mph NE | 62% |
| Wednesday | 59°F | Chance Rain Showers | 7 mph NE | 51% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 5 mph NE | 49% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 5 mph NE | 46% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 0 to 3 mph N | 39% |
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.