River Meadows Co Park Weather Forecast

    • 55
    • 75

    Chance Rain Showers

    • 54
    • 76

    Slight Chance Rain Showers

    • 54
    • 76

    Mostly Cloudy

    • 53
    • 76

    Mostly Cloudy

    • 50
    • 75

    Partly Sunny

    • 51
    • 79

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

Today 16 Aug Foothills and Valleys of the North Cascades

Mostly cloudy. A chance of Showers in the morning. A slight chance of Thunderstorms through the day. Showers likely in the afternoon. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Highs in the 70s. South wind 10 to 15 Mph decreasing to 10 Mph or less in the afternoon.

Tonight 16 Aug Foothills and Valleys of the North Cascades

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Lows in the mid to upper 50s. Light wind.

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River Meadows Co Park Temperature Statistics

August Temperature

Arlington Municipal Airport (3.7 miles)

  • Lowest 8 August, 2025

    46.9 °F

  • Average August

    66.1 °F

  • Highest 12 August, 2025

    93 °F

Climate (2020–Present)

Arlington Municipal Airport (3.7 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.6 °F

  • Average High 2020–2025

    59.7 °F
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