Cougar Mountain Airfield Weather Forecast

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    • 59

    Rain

    • 38
    • 55

    Rain

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    • 46

    Rain

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    • 50

    Rain

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    • 46

    Rain

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    Rain

Today 15 Dec Foothills and Valleys of Thurston and Lewis Counties

Windy. Rain until late Afternoon, then Showers and a slight chance of Thunderstorms late in the afternoon. Some Thunderstorms may produce heavy rainfall late in the afternoon. Rainfall Amounts a half inch to one inch Possible, except higher Amounts possible in Thunderstorms. Highs in the mid 50s to lower 60s. South wind 15 to 30 Mph. Gusts to 50 Mph.

Tonight 15 Dec Foothills and Valleys of Thurston and Lewis Counties

Showers likely and a slight chance of Thunderstorms in the Evening, then a chance of rain in the late evening and early morning. Rain at Times in the morning. Some Thunderstorms may produce heavy rainfall in the evening. Rainfall Amounts a tenth to a quarter of an inch Possible, except higher Amounts possible in Thunderstorms. Lows in the lower to mid 40s. Southwest wind 10 to 20 Mph with Gusts to 35 Mph becoming south 10 to 15 Mph with Gusts to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cougar Mountain Airfield Temperature Statistics

December Temperature

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

  • Lowest 1 December, 2025

    30.2 °F

  • Average December

    48.4 °F

  • Highest 12 December, 2025

    60.4 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    42.7 °F

  • Average 2020–2025

    52 °F

  • Average High 2020–2025

    61.3 °F
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