Mackeyville, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mackeyville, a community in Clinton County, Pennsylvania.
Overnight
51°F
Patchy Fog
Patchy fog before 5am. Mostly cloudy, with a low around 51. Northeast wind around 2 mph.
7-day forecast for Mackeyville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Patchy Fog | 2 mph NE | 0% |
| Saturday | 74°F | Partly Sunny | 3 mph E | 1% |
| Saturday Night | 60°F | Rain Showers | 3 to 8 mph SE | 90% |
| Sunday | 71°F | Rain Showers | 5 to 8 mph S | 90% |
| Sunday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NW | 39% |
| Monday | 68°F | Mostly Cloudy | 8 mph NE | 3% |
| Monday Night | 48°F | Chance Rain Showers | 7 mph NE | 47% |
| Tuesday | 62°F | Chance Rain Showers | 7 mph E | 52% |
| Tuesday Night | 47°F | Chance Rain Showers | 8 mph E | 44% |
| Wednesday | 62°F | Chance Rain Showers | 8 mph E | 43% |
| Wednesday Night | 47°F | Chance Rain Showers | 8 mph E | 37% |
| Thursday | 64°F | Chance Rain Showers | 6 mph NE | 38% |
| Thursday Night | 47°F | Chance Rain Showers | 5 mph NE | 36% |
| Friday | 68°F | Chance Rain Showers | 3 to 7 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov) for Mackeyville (41.054, -77.464). Updated through the day.
Growing snapshot for Mackeyville
Last spring frost
Apr 30
First fall frost
Oct 20
Growing season
173 days
Hardiness zone
6b
More local growing data for Mackeyville: nearby ZIP 17750 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Lock Haven Sewage Plt, Pa (5.7 mi from Mackeyville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.