Grafton Weather Forecast

    • 61
    • 83

    Chance Rain Showers

    • 62
    • 81

    Rain Showers

    • 61
    • 83

    Rain Showers

    • 62
    • 85

    Mostly Sunny

    • 64
    • 86

    Chance Rain Showers

    • 64
    • 85

    Chance Thunderstorms

Today 3 Jun Worth

Sunny. Near steady temperature in the lower 80s. South Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 3 Jun Worth

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grafton Temperature Statistics

June Temperature

Mason City Municipal Airport (17.4 miles)

  • Lowest 1 June, 2026

    57 °F

  • Average June

    70 °F

  • Highest 1 June, 2026

    82 °F

Climate (2021–Present)

Mason City Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    37.2 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    58.6 °F
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