South Salem, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Salem, a village in Ross County, Ohio.
This Afternoon
79°F
Mostly Cloudy
Mostly cloudy, with a high near 79. Northeast wind around 9 mph.
7-day forecast for South Salem
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Mostly Cloudy | 9 mph NE | 3% |
| Tonight | 59°F | Partly Cloudy then Patchy Fog | 3 to 8 mph NE | 1% |
| Saturday | 82°F | Patchy Fog then Slight Chance Rain Showers | 5 mph SE | 22% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 6 mph S | 53% |
| Sunday | 83°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 57% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 10 mph N | 57% |
| Monday | 75°F | Chance Showers And Thunderstorms | 10 mph NE | 41% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 53% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 10 mph NE | 53% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 7 to 12 mph NE | 54% |
| Wednesday | 71°F | Chance Rain Showers | 9 mph NE | 54% |
| Wednesday Night | 57°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 51% |
| Thursday | 71°F | Partly Sunny then Slight Chance Rain Showers | 9 mph N | 15% |
| Thursday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 9 mph N | 15% |
Forecast source: National Weather Service (api.weather.gov) for South Salem (39.337, -83.307). Updated through the day.
Growing snapshot for South Salem
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
6b
More local growing data for South Salem: nearby ZIP 45681 weather · frost dates · planting calendar · Ohio frost dates
Nearby towns & communities
Adelphi
Andersonville
Bainbridge
Bourneville
Chillicothe
Clarksburg
Frankfort
Kingston
Laurelville
Massieville
Richmond Dale
Climate data from the nearest NOAA station, Chillicothe Mound City, Oh (14.5 mi from South Salem). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.