Millerstown, PA Weather & Growing Conditions
Today
73°F
Mostly Sunny
Mostly sunny, with a high near 73. Southeast wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Sunny | 2 to 7 mph SE | 1% |
| Tonight | 58°F | Light Rain | 7 mph SE | 85% |
| Thursday | 72°F | Light Rain | 2 to 7 mph S | 86% |
| Thursday Night | 51°F | Chance Light Rain then Mostly Cloudy | 2 mph W | 28% |
| Friday | 66°F | Slight Chance Light Rain | 1 mph NW | 15% |
| Friday Night | 45°F | Partly Cloudy | 3 mph NW | 11% |
| Saturday | 57°F | Slight Chance Light Rain | 3 to 8 mph W | 17% |
| Saturday Night | 39°F | Partly Cloudy | 9 mph W | 13% |
| Sunday | 57°F | Mostly Sunny | 7 mph NW | 5% |
| Sunday Night | 37°F | Partly Cloudy | 7 mph W | 5% |
| Monday | 56°F | Mostly Sunny | 8 mph W | 5% |
| Monday Night | 35°F | Mostly Clear | 6 mph W | 3% |
| Tuesday | 61°F | Mostly Sunny | 3 to 8 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 6 mph W | 0% |
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 Nov 4, 2026.