Mifflinville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mifflinville, a community in Columbia County, Pennsylvania.
Overnight
50°F
Mostly Cloudy
Mostly cloudy, with a low around 50. East wind around 1 mph.
7-day forecast for Mifflinville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Cloudy | 1 mph E | 0% |
| Saturday | 73°F | Mostly Sunny | 1 mph E | 1% |
| Saturday Night | 57°F | Rain Showers | 1 to 6 mph SE | 87% |
| Sunday | 71°F | Rain Showers | 2 to 7 mph S | 99% |
| Sunday Night | 52°F | Rain Showers | 5 mph NW | 90% |
| Monday | 68°F | Mostly Cloudy | 5 mph N | 2% |
| Monday Night | 47°F | Mostly Cloudy then Chance Rain Showers | 5 mph NE | 36% |
| Tuesday | 62°F | Chance Rain Showers | 5 mph E | 36% |
| Tuesday Night | 46°F | Chance Rain Showers | 6 mph E | 30% |
| Wednesday | 63°F | Chance Rain Showers | 6 mph E | 30% |
| Wednesday Night | 46°F | Chance Rain Showers | 6 mph E | 37% |
| Thursday | 63°F | Chance Rain Showers | 6 mph NE | 37% |
| Thursday Night | 46°F | Chance Rain Showers | 3 mph NE | 33% |
| Friday | 67°F | Slight Chance Rain Showers | 5 mph N | 22% |
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 Sep 19, 2026.