Mason City Weather Forecast

    • 58
    • 85

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 60
    • 88

    Sunny

    • 67
    • 90

    Mostly Sunny

    • 69
    • 90

    Partly Sunny

    • 69
    • 88

    Chance Rain Showers

Today 27 Sep Jefferson

Sunny. Highs in the mid 80s. North Winds 5 to 10 Mph.

Tonight 27 Sep Jefferson

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

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  • Temperature Real-Time

Mason City Temperature Statistics

September Temperature

Birmingham, Birmingham International Airport (8.7 miles)

  • Lowest 25 September, 2026

    62.1 °F

  • Average September

    84.3 °F

  • Highest 4 September, 2026

    102.7 °F

Climate (2021–2026)

Birmingham, Birmingham International Airport (8.7 miles)

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  • Average Low 2021–2026

    55.7 °F

  • Average 2021–2026

    65.8 °F

  • Average High 2021–2026

    76.4 °F
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