Mahaffey, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mahaffey, a borough in Clearfield County, Pennsylvania.
Today
81°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 81. Southeast wind 0 to 3 mph.
7-day forecast for Mahaffey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Sunny | 0 to 3 mph SE | 0% |
| Tonight | 61°F | Partly Cloudy | 3 mph E | 0% |
| Wednesday | 81°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SE | 47% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 1 to 5 mph SE | 44% |
| Thursday | 82°F | Showers And Thunderstorms | 1 to 6 mph SW | 85% |
| Thursday Night | 65°F | Showers And Thunderstorms | 3 mph SW | 85% |
| Friday | 81°F | Showers And Thunderstorms | 2 to 6 mph SW | 81% |
| Friday Night | 64°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 mph SW | 81% |
| Saturday | 80°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph SW | 48% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 5 mph W | 48% |
| Sunday | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 22% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 22% |
| Monday | 82°F | Chance Showers And Thunderstorms | 7 to 10 mph W | 38% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 44% |
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 Aug 4, 2026.