Fort Loudon, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Loudon, a community in Franklin County, Pennsylvania.
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind 5 to 9 mph, with gusts as high as 21 mph.
7-day forecast for Fort Loudon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 5 to 9 mph S | 1% |
| Tonight | 60°F | Light Rain | 10 mph S | 94% |
| Thursday | 75°F | Light Rain Likely | 2 to 10 mph S | 60% |
| Thursday Night | 54°F | Slight Chance Light Rain then Mostly Cloudy | 2 mph W | 16% |
| Friday | 69°F | Slight Chance Light Rain | 2 mph NW | 17% |
| Friday Night | 47°F | Partly Cloudy | 5 mph NW | 9% |
| Saturday | 58°F | Mostly Sunny | 6 to 9 mph W | 13% |
| Saturday Night | 41°F | Partly Cloudy | 10 mph W | 13% |
| Sunday | 59°F | Mostly Sunny | 9 mph NW | 4% |
| Sunday Night | 38°F | Mostly Clear | 9 mph W | 4% |
| Monday | 59°F | Sunny | 7 to 10 mph W | 4% |
| Monday Night | 37°F | Mostly Clear | 6 mph W | 4% |
| Tuesday | 63°F | Sunny | 6 to 9 mph W | 1% |
| Tuesday Night | 38°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fort Loudon (39.922, -77.907). Updated through the day.
Growing snapshot for Fort Loudon
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
More local growing data for Fort Loudon: nearby ZIP 17224 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Blue Ridge Summit
Chambersburg
Fayetteville
Greencastle
Guilford
Marion
Mercersburg
Mont Alto
Orrstown
Pen Mar
Rouzerville
Scotland
State Line
Wayne Heights
Waynesboro
Climate data from the nearest NOAA station, Chambersburg 1 Ese, Pa (13.3 mi from Fort Loudon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.