Glen Lyon, PA Weather & Growing Conditions
Today
72°F
Mostly Sunny
Mostly sunny, with a high near 72. Southeast wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 1 to 6 mph SE | 1% |
| Tonight | 58°F | Mostly Cloudy then Chance Light Rain | 3 to 7 mph SE | 47% |
| Thursday | 69°F | Light Rain | 3 to 8 mph S | 95% |
| Thursday Night | 53°F | Chance Light Rain | 2 mph SW | 41% |
| Friday | 67°F | Slight Chance Light Rain | 1 mph NW | 20% |
| Friday Night | 44°F | Slight Chance Light Rain then Partly Cloudy | 1 mph NW | 20% |
| Saturday | 60°F | Chance Light Rain | 5 mph W | 33% |
| Saturday Night | 37°F | Chance Light Rain | 6 mph W | 33% |
| Sunday | 55°F | Mostly Sunny | 6 mph W | 14% |
| Sunday Night | 32°F | Partly Cloudy | 5 mph W | 6% |
| Monday | 55°F | Mostly Sunny | 5 to 8 mph W | 11% |
| Monday Night | 31°F | Partly Cloudy | 5 mph W | 8% |
| Tuesday | 59°F | Mostly Sunny | 3 to 7 mph W | 4% |
| Tuesday Night | 31°F | Partly Cloudy | 5 mph W | 5% |
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 Nov 4, 2026.