Waynesboro, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Waynesboro, a borough in Franklin County, Pennsylvania.
Overnight
53°F
Mostly Clear
Mostly clear, with a low around 53. Southeast wind around 2 mph.
7-day forecast for Waynesboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 74°F | Patchy Fog then Mostly Sunny | 1 to 13 mph S | 1% |
| Wednesday Night | 62°F | Mostly Cloudy then Light Rain | 7 to 10 mph S | 85% |
| Thursday | 75°F | Light Rain Likely | 5 to 12 mph S | 69% |
| Thursday Night | 56°F | Chance Light Rain | 0 to 3 mph SW | 51% |
| Friday | 69°F | Slight Chance Light Rain | 0 to 3 mph NW | 20% |
| Friday Night | 46°F | Slight Chance Light Rain then Partly Cloudy | 2 mph NW | 16% |
| Saturday | 60°F | Mostly Sunny | 2 to 14 mph W | 11% |
| Saturday Night | 38°F | Partly Cloudy | 5 to 12 mph W | 11% |
| Sunday | 59°F | Mostly Sunny | 6 to 12 mph NW | 3% |
| Sunday Night | 36°F | Mostly Clear | 3 to 7 mph W | 3% |
| Monday | 59°F | Sunny | 6 to 14 mph W | 4% |
| Monday Night | 35°F | Mostly Clear | 2 to 7 mph W | 4% |
| Tuesday | 63°F | Sunny | 3 to 12 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Waynesboro (39.752, -77.582). Updated through the day.
Growing snapshot for Waynesboro
Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
177 days
Hardiness zone
7a
More local growing data for Waynesboro: nearby ZIP 17268 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Blue Ridge Summit
Chambersburg
Fayetteville
Fort Loudon
Greencastle
Guilford
Marion
Mercersburg
Mont Alto
Orrstown
Pen Mar
Rouzerville
Scotland
State Line
Wayne Heights
Climate data from the nearest NOAA station, S Mtn, Pa (6.5 mi from Waynesboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.