Mason Weather Forecast

    • 22
    • 37

    Mostly Sunny

    • 41
    • 47

    Rain

    • 37
    • 55

    Mostly Cloudy

    • 50
    • 57

    Rain

    • 55
    • 63

    Chance Rain

    • 45
    • 63

    Slight Chance Rain

Today 21 Dec Warren

Sunny. Highs in the upper 30s. Northwest Winds around 5 Mph.

Tonight 21 Dec Warren

Clear. Lows in the lower 20s. Light and variable Winds, becoming southeast around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason Temperature Statistics

December Temperature

Butler County Regional Airport (11.2 miles)

  • Lowest 15 December, 2025

    -5.1 °F

  • Average December

    29.4 °F

  • Highest 18 December, 2025

    55 °F

Climate (2020–Present)

Butler County Regional Airport (11.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    55.4 °F

  • Average High 2020–2025

    66.6 °F
Get WillyWeather+ to remove ads