Mason City Weather Forecast

    • 51
    • 75

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 63
    • 84

    Partly Sunny

    • 65
    • 87

    Partly Sunny

    • 67
    • 86

    Partly Sunny

Today 14 May Jefferson

Sunny. Highs in the mid 70s. North Winds 5 to 10 Mph.

Tonight 14 May Jefferson

Clear. Lows in the mid 50s. North Winds around 5 Mph.

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  • Temperature Real-Time

Mason City Temperature Statistics

May Temperature

Birmingham, Birmingham International Airport (8.7 miles)

  • Lowest 3 May, 2026

    41.6 °F

  • Average May

    65.5 °F

  • Highest 10 May, 2026

    84.7 °F

Climate (2021–Present)

Birmingham, Birmingham International Airport (8.7 miles)

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  • Average Low 2021–2026

    55.5 °F

  • Average 2021–2026

    65.5 °F

  • Average High 2021–2026

    76 °F
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