Arcanum, OH Weather & Growing Conditions
Overnight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. East wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Partly Cloudy | 6 mph E | 3% |
| Saturday | 80°F | Showers And Thunderstorms Likely | 8 mph SE | 58% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely | 8 mph S | 70% |
| Sunday | 80°F | Showers And Thunderstorms Likely | 8 mph W | 56% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 56% |
| Monday | 71°F | Showers And Thunderstorms Likely | 10 to 14 mph NE | 57% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 49% |
| Tuesday | 69°F | Chance Showers And Thunderstorms | 14 mph NE | 35% |
| Tuesday Night | 56°F | Chance Showers And Thunderstorms | 8 to 15 mph NE | 31% |
| Wednesday | 69°F | Slight Chance Rain Showers | 10 mph NE | 24% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 7 to 12 mph N | 16% |
| Thursday | 70°F | Partly Sunny | 10 mph N | 11% |
| Thursday Night | 54°F | Mostly Cloudy | 6 to 10 mph N | 10% |
| Friday | 70°F | Partly Sunny | 7 to 10 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arcanum, OH
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
Explore more for Arcanum, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Greenville Wtp, Oh (10.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.