Mifflintown, PA Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 1 mph E | 0% |
| Tonight | 65°F | Mostly Cloudy | 1 mph NE | 6% |
| Wednesday | 81°F | Slight Chance Rain Showers then Mostly Cloudy | 2 mph E | 21% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 1 mph NE | 49% |
| Thursday | 86°F | Patchy Fog then Showers And Thunderstorms | 0 to 3 mph SW | 78% |
| Thursday Night | 71°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 mph NW | 78% |
| Friday | 86°F | Showers And Thunderstorms Likely | 2 mph W | 69% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 mph NW | 69% |
| Saturday | 85°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 3 mph W | 55% |
| Saturday Night | 67°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph NW | 55% |
| Sunday | 87°F | Mostly Sunny | 0 to 3 mph W | 13% |
| Sunday Night | 69°F | Partly Cloudy | 2 mph W | 13% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 22% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mifflintown, PA
Last spring frost
Apr 21
First fall frost
Oct 24
Growing season
185 days
Hardiness zone
7a
Explore more for Mifflintown, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Lewistown, Pa (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.