Harman US

Mason, OH Weather & Growing Conditions

Today
85°F
Sunny
Sunny, with a high near 85. Northeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 85°F Sunny 5 mph NE 0%
Tonight 64°F Mostly Clear 3 mph NE 1%
Wednesday 87°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 3 mph NW 18%
Wednesday Night 67°F Partly Cloudy 3 mph SE 8%
Thursday 87°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 7 mph SW 28%
Thursday Night 68°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph S 57%
Friday 85°F Showers And Thunderstorms Likely 3 to 8 mph SW 65%
Friday Night 67°F Showers And Thunderstorms Likely 2 to 6 mph SW 65%
Saturday 85°F Chance Showers And Thunderstorms 2 to 7 mph SW 31%
Saturday Night 67°F Chance Showers And Thunderstorms 5 mph SW 31%
Sunday 88°F Mostly Sunny 2 to 9 mph SW 13%
Sunday Night 70°F Partly Cloudy then Slight Chance Showers And Thunderstorms 6 mph SW 17%
Monday 89°F Slight Chance Showers And Thunderstorms 5 to 10 mph SW 22%
Monday Night 70°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 3 to 7 mph SW 28%

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 Aug 4, 2026.