Millerstown, PA Weather & Growing Conditions
Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. North wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Partly Cloudy | 3 to 8 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 3 mph E | 3% |
| Saturday Night | 61°F | Mostly Cloudy then Rain Showers Likely | 2 to 9 mph SE | 60% |
| Sunday | 72°F | Rain Showers | 2 to 8 mph S | 97% |
| Sunday Night | 57°F | Showers And Thunderstorms | 1 to 9 mph NW | 96% |
| Monday | 66°F | Chance Rain Showers | 3 to 8 mph NE | 32% |
| Monday Night | 53°F | Rain Showers Likely | 3 to 9 mph NE | 58% |
| Tuesday | 59°F | Rain Showers Likely | 5 to 9 mph E | 63% |
| Tuesday Night | 49°F | Rain Showers Likely | 6 to 9 mph NE | 63% |
| Wednesday | 57°F | Chance Rain Showers | 5 to 9 mph NE | 51% |
| Wednesday Night | 50°F | Chance Showers And Thunderstorms | 7 mph NE | 49% |
| Thursday | 60°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 48% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 3 mph N | 39% |
| Friday | 67°F | Slight Chance Rain Showers then Partly Sunny | 5 mph N | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Millerstown, PA
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
6b
Explore more for Millerstown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Lewistown, Pa (20.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.