Muir, PA Weather & Growing Conditions
Tonight
49°F
Mostly Clear
Mostly clear, with a low around 49. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Mostly Clear | 5 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 5 mph E | 2% |
| Saturday Night | 57°F | Mostly Cloudy then Rain Showers Likely | 3 to 8 mph SE | 61% |
| Sunday | 71°F | Rain Showers | 5 to 9 mph S | 97% |
| Sunday Night | 57°F | Showers And Thunderstorms | 3 to 7 mph NW | 97% |
| Monday | 68°F | Chance Rain Showers | 7 mph NE | 32% |
| Monday Night | 51°F | Chance Rain Showers | 5 to 10 mph E | 45% |
| Tuesday | 61°F | Chance Rain Showers | 7 to 10 mph E | 53% |
| Tuesday Night | 47°F | Chance Rain Showers | 8 to 13 mph E | 53% |
| Wednesday | 59°F | Chance Rain Showers | 8 to 13 mph E | 45% |
| Wednesday Night | 47°F | Chance Showers And Thunderstorms | 7 to 10 mph E | 44% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 40% |
| Thursday Night | 49°F | Chance Showers And Thunderstorms | 6 mph NE | 37% |
| Friday | 66°F | Chance Rain Showers then Partly Sunny | 7 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Muir, PA
Last spring frost
May 1
First fall frost
Oct 16
Growing season
168 days
Hardiness zone
6b
Explore more for Muir, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Dehart Dam, Pa (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.