South Salem, OH Weather & Growing Conditions
Tonight
61°F
Partly Cloudy then Slight Chance Rain Showers
A slight chance of rain showers after 4am. Partly cloudy, with a low around 61. Southeast wind 7 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Partly Cloudy then Slight Chance Rain Showers | 7 to 12 mph SE | 24% |
| Wednesday | 68°F | Showers And Thunderstorms | 13 mph S | 99% |
| Wednesday Night | 54°F | Showers And Thunderstorms then Mostly Cloudy | 5 to 13 mph SW | 100% |
| Thursday | 68°F | Mostly Sunny | 5 to 12 mph SW | 2% |
| Thursday Night | 47°F | Partly Cloudy | 5 mph SW | 1% |
| Friday | 64°F | Partly Sunny | 2 to 7 mph NW | 6% |
| Friday Night | 42°F | Partly Cloudy | 6 mph NW | 13% |
| Saturday | 56°F | Mostly Sunny | 7 mph NW | 14% |
| Saturday Night | 36°F | Partly Cloudy | 3 mph NW | 14% |
| Sunday | 58°F | Mostly Sunny | 2 to 8 mph W | 11% |
| Sunday Night | 36°F | Partly Cloudy | 6 mph W | 14% |
| Monday | 60°F | Slight Chance Light Rain | 6 to 9 mph W | 16% |
| Monday Night | 39°F | Mostly Clear | 6 to 9 mph W | 13% |
| Tuesday | 64°F | Mostly Sunny | 10 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for South Salem, OH
Last spring frost
Apr 20
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
6b
Explore more for South Salem, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Chillicothe Mound City, Oh (14.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.