McArthur, OH Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 mph NE | 1% |
| Tonight | 66°F | Partly Cloudy | 2 mph NE | 4% |
| Wednesday | 86°F | Partly Sunny then Showers And Thunderstorms Likely | 0 to 3 mph S | 55% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms | 2 mph SW | 39% |
| Thursday | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph SW | 62% |
| Thursday Night | 67°F | Showers And Thunderstorms Likely | 0 to 3 mph SW | 62% |
| Friday | 84°F | Showers And Thunderstorms | 1 to 6 mph SW | 78% |
| Friday Night | 66°F | Showers And Thunderstorms | 0 to 3 mph SW | 78% |
| Saturday | 83°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 45% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 45% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 21% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 21% |
| Monday | 87°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph SW | 27% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 36% |
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 Aug 4, 2026.