Mahaffey, PA Weather & Growing Conditions
Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Partly Cloudy | 5 mph NE | 1% |
| Saturday | 73°F | Partly Sunny | 6 mph SE | 6% |
| Saturday Night | 60°F | Showers And Thunderstorms Likely | 7 mph SE | 66% |
| Sunday | 73°F | Showers And Thunderstorms | 7 mph SW | 98% |
| Sunday Night | 52°F | Showers And Thunderstorms | 7 mph N | 90% |
| Monday | 66°F | Chance Rain Showers | 8 mph NE | 29% |
| Monday Night | 51°F | Showers And Thunderstorms Likely | 8 to 12 mph E | 62% |
| Tuesday | 60°F | Showers And Thunderstorms Likely | 12 mph E | 68% |
| Tuesday Night | 47°F | Showers And Thunderstorms Likely | 14 mph E | 62% |
| Wednesday | 58°F | Rain Showers Likely | 13 mph E | 62% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms | 12 mph E | 52% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 9 mph E | 51% |
| Thursday Night | 47°F | Chance Rain Showers | 3 to 7 mph E | 34% |
| Friday | 68°F | Slight Chance Rain Showers | 3 to 7 mph NE | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mahaffey, PA
Last spring frost
May 4
First fall frost
Oct 13
Growing season
160 days
Hardiness zone
6a
Explore more for Mahaffey, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Grampian 1E, Pa (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.