Millersburg, PA Weather & Growing Conditions
This Afternoon
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Mostly Sunny | 1 mph NE | 0% |
| Tonight | 66°F | Mostly Cloudy | 3 mph E | 8% |
| Wednesday | 81°F | Chance Rain Showers | 3 mph SE | 45% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms | 3 mph SE | 45% |
| Thursday | 85°F | Mostly Cloudy then Showers And Thunderstorms | 5 mph S | 80% |
| Thursday Night | 70°F | Showers And Thunderstorms | 3 mph SW | 80% |
| Friday | 85°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 76% |
| Friday Night | 66°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 76% |
| Saturday | 83°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 44% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph SW | 44% |
| Sunday | 84°F | Mostly Sunny | 6 mph W | 10% |
| Sunday Night | 67°F | Partly Cloudy | 5 mph SW | 13% |
| Monday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 21% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph SW | 34% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Millersburg, PA
Last spring frost
May 1
First fall frost
Oct 16
Growing season
168 days
Hardiness zone
7a
Explore more for Millersburg, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Dehart Dam, Pa (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.