Glen Lyon, PA Weather & Growing Conditions
Tonight
48°F
Partly Cloudy
Partly cloudy, with a low around 48. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 48°F | Partly Cloudy | 5 mph NE | 0% |
| Saturday | 71°F | Mostly Sunny | 2 mph NE | 2% |
| Saturday Night | 56°F | Mostly Cloudy then Rain Showers Likely | 1 to 6 mph S | 74% |
| Sunday | 67°F | Rain Showers | 2 to 6 mph S | 99% |
| Sunday Night | 54°F | Showers And Thunderstorms | 2 to 7 mph N | 97% |
| Monday | 66°F | Chance Rain Showers | 3 to 7 mph NE | 26% |
| Monday Night | 50°F | Chance Rain Showers | 3 to 7 mph NE | 40% |
| Tuesday | 60°F | Chance Rain Showers | 3 to 7 mph E | 40% |
| Tuesday Night | 46°F | Chance Rain Showers | 3 to 7 mph NE | 42% |
| Wednesday | 59°F | Chance Rain Showers | 7 mph NE | 36% |
| Wednesday Night | 46°F | Chance Showers And Thunderstorms | 7 mph NE | 39% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 39% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 3 mph NE | 37% |
| Friday | 67°F | Slight Chance Rain Showers | 5 mph N | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Glen Lyon, PA
Last spring frost
May 4
First fall frost
Oct 11
Growing season
159 days
Hardiness zone
6b
Explore more for Glen Lyon, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Benton 3 Ne, Pa (14.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.