Appleton Weather Forecast

    • 51
    • 71

    Partly Sunny

    • 54
    • 73

    Partly Sunny

    • 52
    • 71

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 53
    • 77

    Sunny

    • 59
    • 82

    Sunny

Today 16 Aug Lower Slopes of the Eastern Washington Cascades Crest

Cloudy with a 50 percent chance of rain Showers in the Morning, then sunny in the afternoon. Highs in the mid 60s to mid 70s, except in the mid to upper 70s Valleys. West wind 5 to 15 Mph with Gusts to around 30 Mph. Rainfall Amounts less than a quarter of an inch.

Tonight 16 Aug Lower Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Lows in the mid 40s to lower 50s. West wind 5 to 15 Mph with Gusts to around 25 Mph.

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Appleton Temperature Statistics

August Temperature

The Dalles Municipal Airport (14.3 miles)

  • Lowest 8 August, 2025

    53.7 °F

  • Average August

    76.1 °F

  • Highest 11 August, 2025

    105.7 °F

Climate (2020–Present)

The Dalles Municipal Airport (14.3 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    66.8 °F
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