Grafton Weather Forecast

    • 9
    • 21

    Blustery

    • 28
    • 31

    Snow Likely

    • 4
    • 31

    Chance Snow

    • -2
    • 9

    Cold

    • 3
    • 19

    Mostly Cloudy

    • -1
    • 12

    Partly Sunny

Today 14 Jan Worth

Sunny, breezy and much cooler with Highs in the lower 20s. North Winds 15 to 25 Mph with Gusts up to 35 Mph.

Tonight 14 Jan Worth

Mostly clear. Lows around 10 above. Northwest Winds 5 to 10 Mph.

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Grafton Temperature Statistics

January Temperature

Mason City Municipal Airport (17.4 miles)

  • Lowest 1 January, 2026

    9 °F

  • Average January

    25.9 °F

  • Highest 7 January, 2026

    42.1 °F

Climate (2021–Present)

Mason City Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    37.1 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    58.3 °F
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