Millerstown, PA Weather & Growing Conditions
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. South wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 1 mph S | 0% |
| Wednesday | 76°F | Mostly Sunny | 1 to 10 mph S | 1% |
| Wednesday Night | 58°F | Light Rain | 10 mph S | 90% |
| Thursday | 73°F | Chance Light Rain | 5 to 9 mph SW | 52% |
| Thursday Night | 48°F | Mostly Cloudy | 1 to 5 mph W | 5% |
| Friday | 66°F | Partly Sunny | 3 mph W | 13% |
| Friday Night | 42°F | Partly Cloudy | 3 mph W | 8% |
| Saturday | 55°F | Slight Chance Light Rain | 3 to 12 mph W | 22% |
| Saturday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 10 mph W | 22% |
| Sunday | 55°F | Partly Sunny | 8 to 12 mph W | 7% |
| Sunday Night | 34°F | Partly Cloudy | 9 mph W | 6% |
| Monday | 55°F | Mostly Sunny | 8 to 14 mph W | 9% |
| Monday Night | 34°F | Mostly Clear | 7 mph W | 5% |
| Tuesday | 60°F | Mostly Sunny | 6 to 13 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Millerstown, PA
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
177 days
Hardiness zone
6b
Explore more for Millerstown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Altoona Blair Co Ap, Pa (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.