Cougar Mountain Airfield Weather Forecast

    • 54
    • 81

    Becoming Sunny

    • 52
    • 81

    Mostly Cloudy

    • 54
    • 79

    Partly Sunny

    • 56
    • 84

    Partly Sunny

    • 54
    • 80

    Chance Rain

    • 53
    • 72

    Slight Chance Rain

    • 53
    • 76

    Mostly Cloudy

Today 17 Aug Foothills and Valleys of Thurston and Lewis Counties

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs near 80. Light wind.

Tonight 17 Aug Foothills and Valleys of Thurston and Lewis Counties

Mostly clear until early morning then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cougar Mountain Airfield Temperature Statistics

August Temperature

Fort Lewis / Gray U. S. Army Airfield (18.6 miles)

  • Lowest 3 August, 2026

    46.9 °F

  • Average August

    67.1 °F

  • Highest 6 August, 2026

    89.6 °F

Climate (2021–2026)

Fort Lewis / Gray U. S. Army Airfield (18.6 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    61.4 °F
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