Liberty, PA Weather & Growing Conditions
Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Partly Cloudy | 5 mph NE | 1% |
| Saturday | 80°F | Partly Sunny | 5 mph E | 4% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 7 mph SE | 51% |
| Sunday | 79°F | Showers And Thunderstorms | 7 to 10 mph SW | 99% |
| Sunday Night | 55°F | Showers And Thunderstorms | 10 mph N | 97% |
| Monday | 69°F | Chance Rain Showers | 13 mph NE | 41% |
| Monday Night | 54°F | Showers And Thunderstorms Likely | 12 mph E | 66% |
| Tuesday | 65°F | Showers And Thunderstorms Likely | 12 to 16 mph E | 66% |
| Tuesday Night | 51°F | Rain Showers Likely | 13 to 16 mph E | 63% |
| Wednesday | 65°F | Rain Showers Likely | 15 mph E | 63% |
| Wednesday Night | 51°F | Showers And Thunderstorms Likely | 9 to 15 mph E | 59% |
| Thursday | 67°F | Rain Showers Likely | 12 mph E | 57% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 5 to 12 mph NE | 30% |
| Friday | 70°F | Partly Sunny then Slight Chance Rain Showers | 6 to 10 mph NE | 19% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Liberty, PA
Last spring frost
May 2
First fall frost
Oct 20
Growing season
170 days
Hardiness zone
6b
Explore more for Liberty, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Mckeesport, Pa (0.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.