Mifflinville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mifflinville, a community in Columbia County, Pennsylvania.
Overnight
57°F
Patchy Fog
Patchy fog. Mostly clear, with a low around 57. Wind around 0 mph.
7-day forecast for Mifflinville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Patchy Fog | 0 mph | 0% |
| Tuesday | 86°F | Patchy Fog then Sunny | 1 mph NE | 0% |
| Tuesday Night | 64°F | Mostly Cloudy then Patchy Fog | 0 mph | 1% |
| Wednesday | 84°F | Patchy Fog then Chance Showers And Thunderstorms | 2 mph E | 52% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Patchy Fog | 1 mph NE | 55% |
| Thursday | 88°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph SW | 84% |
| Thursday Night | 70°F | Showers And Thunderstorms | 1 mph W | 84% |
| Friday | 88°F | Showers And Thunderstorms | 2 mph W | 75% |
| Friday Night | 68°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 mph W | 75% |
| Saturday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 3 mph W | 56% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 1 mph NW | 56% |
| Sunday | 88°F | Mostly Sunny | 0 to 3 mph W | 12% |
| Sunday Night | 69°F | Mostly Clear | 1 mph W | 12% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph W | 26% |
Forecast source: National Weather Service (api.weather.gov) for Mifflinville (41.031, -76.303). Updated through the day.
Growing snapshot for Mifflinville
Last spring frost
May 4
First fall frost
Oct 11
Growing season
159 days
Hardiness zone
6b
More local growing data for Mifflinville: nearby ZIP 18631 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Benton 3 Ne, Pa (14.1 mi from Mifflinville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.