Mifflinburg, PA Weather & Growing Conditions
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind 1 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 1 to 8 mph S | 1% |
| Tonight | 59°F | Mostly Cloudy then Light Rain | 6 mph S | 87% |
| Thursday | 73°F | Light Rain | 3 to 7 mph S | 86% |
| Thursday Night | 52°F | Chance Light Rain then Mostly Cloudy | 2 mph W | 25% |
| Friday | 67°F | Slight Chance Light Rain | 1 mph W | 15% |
| Friday Night | 46°F | Partly Cloudy | 2 mph W | 12% |
| Saturday | 58°F | Chance Light Rain | 3 to 9 mph W | 27% |
| Saturday Night | 41°F | Chance Light Rain | 9 mph W | 26% |
| Sunday | 58°F | Mostly Sunny | 9 mph W | 6% |
| Sunday Night | 38°F | Partly Cloudy | 7 mph W | 6% |
| Monday | 59°F | Mostly Sunny | 7 to 10 mph W | 11% |
| Monday Night | 37°F | Partly Cloudy | 3 to 7 mph W | 9% |
| Tuesday | 62°F | Mostly Sunny | 5 to 9 mph W | 3% |
| Tuesday Night | 37°F | Partly Cloudy | 3 to 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mifflinburg, PA
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
175 days
Hardiness zone
6b
Explore more for Mifflinburg, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Laurelton Ctr, Pa (7.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.