Mahaffey, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mahaffey, a borough in Clearfield County, Pennsylvania.
Overnight
48°F
Mostly Clear
Mostly clear, with a low around 48. East wind around 3 mph.
7-day forecast for Mahaffey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Mostly Clear | 3 mph E | 0% |
| Wednesday | 74°F | Mostly Sunny | 1 to 8 mph SE | 0% |
| Wednesday Night | 59°F | Rain Showers | 8 mph S | 100% |
| Thursday | 69°F | Rain Showers Likely | 6 to 10 mph SW | 68% |
| Thursday Night | 48°F | Mostly Cloudy | 3 mph SW | 13% |
| Friday | 64°F | Partly Sunny then Slight Chance Rain Showers | 1 to 5 mph W | 17% |
| Friday Night | 42°F | Slight Chance Rain Showers | 1 to 5 mph NW | 23% |
| Saturday | 55°F | Chance Rain Showers | 5 to 10 mph W | 34% |
| Saturday Night | 35°F | Chance Rain Showers then Mostly Cloudy | 7 mph W | 34% |
| Sunday | 54°F | Partly Sunny then Slight Chance Rain Showers | 6 to 10 mph W | 16% |
| Sunday Night | 33°F | Slight Chance Rain Showers | 7 to 10 mph W | 23% |
| Monday | 54°F | Chance Rain Showers | 10 to 14 mph W | 31% |
| Monday Night | 34°F | Chance Rain Showers | 7 to 12 mph W | 31% |
| Tuesday | 57°F | Mostly Sunny | 13 to 16 mph W | 12% |
Forecast source: National Weather Service (api.weather.gov) for Mahaffey (40.874, -78.727). Updated through the day.
Growing snapshot for Mahaffey
Last spring frost
May 4
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
More local growing data for Mahaffey: nearby ZIP 15757 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Grampian 1E, Pa (8.7 mi from Mahaffey). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.