Plum, PA Weather & Growing Conditions
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 6 mph S | 2% |
| Wednesday | 78°F | Partly Sunny | 5 to 12 mph S | 6% |
| Wednesday Night | 60°F | Light Rain | 12 mph S | 97% |
| Thursday | 71°F | Chance Light Rain | 9 to 15 mph SW | 46% |
| Thursday Night | 48°F | Partly Cloudy | 2 to 7 mph SW | 5% |
| Friday | 66°F | Partly Sunny | 2 to 8 mph W | 11% |
| Friday Night | 44°F | Chance Light Rain | 3 to 8 mph NW | 27% |
| Saturday | 56°F | Chance Light Rain | 8 to 14 mph W | 30% |
| Saturday Night | 37°F | Slight Chance Light Rain then Mostly Cloudy | 5 to 10 mph W | 24% |
| Sunday | 56°F | Partly Sunny then Slight Chance Light Rain | 6 to 13 mph SW | 17% |
| Sunday Night | 36°F | Slight Chance Light Rain | 13 mph W | 21% |
| Monday | 56°F | Chance Light Rain | 13 to 20 mph W | 31% |
| Monday Night | 36°F | Chance Light Rain then Partly Cloudy | 10 to 15 mph SW | 31% |
| Tuesday | 60°F | Mostly Sunny | 15 to 21 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Plum, PA
Last spring frost
Apr 22
First fall frost
Oct 25
Growing season
186 days
Hardiness zone
6b
Explore more for Plum, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Murrysville 2 Sw, Pa (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.