Mason, OH Weather & Growing Conditions
This Afternoon
86°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 3pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Southwest wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Slight Chance Showers And Thunderstorms | 8 mph SW | 62% |
| Tonight | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 7 mph S | 71% |
| Sunday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph W | 44% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 mph N | 60% |
| Monday | 72°F | Chance Rain Showers | 13 mph NE | 43% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 43% |
| Tuesday | 71°F | Chance Showers And Thunderstorms | 12 mph NE | 27% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms | 6 to 13 mph NE | 42% |
| Wednesday | 71°F | Chance Rain Showers | 8 mph NE | 50% |
| Wednesday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 50% |
| Thursday | 71°F | Mostly Cloudy | 6 to 9 mph NE | 11% |
| Thursday Night | 54°F | Mostly Cloudy | 5 to 9 mph NE | 11% |
| Friday | 72°F | Mostly Sunny | 5 to 10 mph NE | 8% |
| Friday Night | 52°F | Partly Cloudy | 5 to 10 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mason, OH
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
178 days
Hardiness zone
6b
Explore more for Mason, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Hamilton Butler Co Rgnl Ap, Oh (11.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.