McDonald, PA Weather & Growing Conditions
This Afternoon
78°F
Chance Light Rain
A chance of rain. Mostly cloudy, with a high near 78. South wind 12 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Chance Light Rain | 12 to 15 mph S | 30% |
| Tonight | 60°F | Light Rain Likely | 10 to 14 mph SW | 70% |
| Thursday | 68°F | Slight Chance Light Rain then Mostly Sunny | 9 to 15 mph SW | 18% |
| Thursday Night | 48°F | Partly Cloudy | 5 to 8 mph SW | 0% |
| Friday | 61°F | Chance Light Rain | 5 to 10 mph W | 27% |
| Friday Night | 40°F | Chance Light Rain | 5 to 9 mph W | 27% |
| Saturday | 51°F | Mostly Cloudy then Slight Chance Light Rain | 9 to 14 mph W | 22% |
| Saturday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 8 to 12 mph W | 22% |
| Sunday | 55°F | Partly Sunny | 8 to 14 mph W | 2% |
| Sunday Night | 35°F | Mostly Clear | 12 mph W | 1% |
| Monday | 57°F | Mostly Sunny | 9 to 14 mph W | 1% |
| Monday Night | 37°F | Mostly Clear | 8 to 12 mph SW | 1% |
| Tuesday | 62°F | Sunny | 12 to 15 mph SW | 0% |
| Tuesday Night | 36°F | Mostly Clear | 3 to 9 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McDonald, PA
Last spring frost
Apr 23
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b
Explore more for McDonald, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Pittsburgh Intl Ap, Pa (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.