Mason Weather Forecast

    • 68
    • 85

    Increasing Clouds

    • 68
    • 83

    Thunderstorms Likely

    • 58
    • 84

    Rain Showers

    • 48
    • 69

    Mostly Cloudy

    • 54
    • 70

    Mostly Cloudy

    • 59
    • 74

    Chance Rain Showers

    • 61
    • 79

    Slight Chance Thunderstorms

Today 17 May Effingham

Mostly sunny. Near steady temperature in the mid 80s. South Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 17 May Effingham

Mostly clear. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mason Temperature Statistics

May Temperature

Effingham, Effingham County Memorial Airport (9.3 miles)

  • Lowest 7 May, 2026

    38.1 °F

  • Average May

    58.2 °F

  • Highest 12 May, 2026

    79 °F

Climate (2021–Present)

Effingham, Effingham County Memorial Airport (9.3 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    66.1 °F
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