Grafton Weather Forecast

    • 56
    • 82

    Slight Chance Rain Showers

    • 51
    • 79

    Chance Rain Showers

    • 56
    • 85

    Chance Thunderstorms

    • 55
    • 81

    Rain Showers Likely

    • 52
    • 78

    Partly Sunny

    • 54
    • 79

    Slight Chance Thunderstorms

    • 57
    • 84

    Partly Sunny

Today 31 May Eastern Walsh County

Mostly cloudy. Highs 80 to 85. Breezy. Southeast Winds around 20 Mph.

Tonight 31 May Eastern Walsh County

Mostly cloudy with a slight chance of Thunderstorms. A slight chance of Showers late this Evening, then a chance of Showers after midnight. Lows in the mid 50s. Southeast Winds 5 to 15 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grafton Temperature Statistics

May Temperature

GRAFTON (1.9 miles)

  • Lowest 7 May, 2026

    21.2 °F

  • Average May

    54.1 °F

  • Highest 28 May, 2026

    93.2 °F

Climate (2021–Present)

GRAFTON (1.9 miles)

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  • Average Low 2021–2026

    31.4 °F

  • Average 2021–2026

    41.4 °F

  • Average High 2021–2026

    51.1 °F
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