McArthur, OH Weather & Growing Conditions
This Afternoon
79°F
Mostly Sunny
Mostly sunny, with a high near 79. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Mostly Sunny | 5 mph N | 0% |
| Tonight | 59°F | Partly Cloudy | 1 to 5 mph NE | 1% |
| Saturday | 84°F | Mostly Sunny | 2 mph E | 4% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph SE | 65% |
| Sunday | 84°F | Showers And Thunderstorms Likely | 2 to 6 mph SW | 67% |
| Sunday Night | 62°F | Showers And Thunderstorms Likely | 5 mph N | 67% |
| Monday | 75°F | Chance Rain Showers | 7 mph NE | 41% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 55% |
| Tuesday | 73°F | Showers And Thunderstorms Likely | 7 mph NE | 55% |
| Tuesday Night | 59°F | Showers And Thunderstorms Likely | 5 to 8 mph NE | 63% |
| Wednesday | 71°F | Showers And Thunderstorms Likely | 8 mph E | 63% |
| Wednesday Night | 55°F | Showers And Thunderstorms Likely | 2 to 7 mph NE | 61% |
| Thursday | 70°F | Slight Chance Rain Showers | 6 mph NE | 19% |
| Thursday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph N | 19% |
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 Sep 19, 2026.