South Salem, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Salem, a village in Ross County, Ohio.
Today
66°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 66. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for South Salem
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Light Rain | 15 mph S | 98% |
| Tonight | 52°F | Light Rain Likely then Mostly Cloudy | 6 to 14 mph SW | 74% |
| Thursday | 65°F | Mostly Sunny | 6 to 13 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 6 mph SW | 0% |
| Friday | 60°F | Chance Light Rain | 2 to 9 mph W | 29% |
| Friday Night | 38°F | Chance Light Rain then Mostly Cloudy | 8 mph NW | 29% |
| Saturday | 54°F | Partly Sunny | 6 to 9 mph NW | 4% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 1% |
| Sunday | 57°F | Mostly Sunny | 3 to 10 mph W | 2% |
| Sunday Night | 33°F | Mostly Clear | 7 mph W | 3% |
| Monday | 60°F | Sunny | 5 to 8 mph W | 4% |
| Monday Night | 36°F | Mostly Clear | 3 to 7 mph SW | 2% |
| Tuesday | 64°F | Sunny | 7 to 10 mph SW | 1% |
| Tuesday Night | 36°F | Mostly Clear | 2 to 6 mph W | 1% |
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 Nov 4, 2026.