McArthur, OH Weather & Growing Conditions
Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. Southeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Partly Cloudy | 6 mph SE | 6% |
| Wednesday | 69°F | Rain | 7 to 12 mph S | 99% |
| Wednesday Night | 54°F | Rain | 2 to 12 mph S | 92% |
| Thursday | 70°F | Mostly Sunny | 2 to 8 mph SW | 2% |
| Thursday Night | 43°F | Partly Cloudy | 0 to 3 mph W | 1% |
| Friday | 66°F | Partly Sunny | 0 to 6 mph W | 6% |
| Friday Night | 39°F | Partly Cloudy | 3 mph NW | 11% |
| Saturday | 58°F | Mostly Sunny then Slight Chance Light Rain | 2 to 6 mph NW | 15% |
| Saturday Night | 33°F | Slight Chance Light Rain then Areas Of Frost | 2 mph NW | 15% |
| Sunday | 60°F | Areas Of Frost then Mostly Sunny | 0 to 6 mph W | 11% |
| Sunday Night | 31°F | Patchy Frost then Slight Chance Light Rain | 5 mph W | 16% |
| Monday | 61°F | Slight Chance Light Rain then Areas Of Frost | 2 to 8 mph W | 16% |
| Monday Night | 34°F | Slight Chance Light Rain then Patchy Frost | 5 mph W | 16% |
| Tuesday | 65°F | Areas Of Frost then Mostly Sunny | 5 to 9 mph SW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McArthur, OH
Last spring frost
Apr 27
First fall frost
Oct 14
Growing season
168 days
Hardiness zone
6b
Explore more for McArthur, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Carpenter 2 S, Oh (17.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.