Joint Base Lewis - McChord Weather Forecast

    • 48
    • 68

    Gradual Clearing

    • 47
    • 70

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 44
    • 66

    Mostly Cloudy

    • 43
    • 60

    Partly Sunny

    • 41
    • 61

    Mostly Sunny

Today 6 Oct Lowlands of Pierce and Southern King Counties

Cloudy in the morning then becoming mostly sunny. Areas of fog in the morning. Highs in the 60s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 6 Oct Lowlands of Pierce and Southern King Counties

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog in the morning. Lows in the mid 40s to lower 50s. North wind to 10 Mph becoming northeast after midnight.

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Joint Base Lewis - McChord Temperature Statistics

October Temperature

Fort Lewis / Gray U. S. Army Airfield (0.6 miles)

  • Lowest 1 October, 2026

    46.2 °F

  • Average October

    59.5 °F

  • Highest 2 October, 2026

    73.2 °F

Climate (2021–2026)

Fort Lewis / Gray U. S. Army Airfield (0.6 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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