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
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 3 mph.
7-day forecast for Fort Loudon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 3 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SE | 16% |
| Wednesday | 81°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 mph E | 53% |
| Wednesday Night | 69°F | Chance Showers And Thunderstorms then Patchy Fog | 2 mph SE | 57% |
| Thursday | 86°F | Patchy Fog then Showers And Thunderstorms Likely | 1 to 5 mph S | 69% |
| Thursday Night | 71°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 69% |
| Friday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 3 mph SW | 58% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 58% |
| Saturday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph W | 50% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 2 mph W | 50% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 15% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 15% |
| Monday | 88°F | Mostly Sunny | 2 to 7 mph W | 13% |
| Monday Night | 68°F | Partly Cloudy | 6 mph W | 14% |
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 Aug 4, 2026.