Armstrong Lake Weather Forecast

    • 52
    • 78

    Increasing Clouds

    • 53
    • 80

    Partly Sunny

    • 53
    • 83

    Mostly Sunny

    • 52
    • 77

    Partly Sunny

    • 49
    • 76

    Partly Sunny

    • 49
    • 77

    Partly Sunny

    • 49
    • 78

    Mostly Sunny

Today 21 Jul Olympia and Southern Puget Sound

Mostly sunny. Patchy fog in the morning. Highs in the 70s. Light wind becoming west 10 to 15 Mph in the afternoon.

Tonight 21 Jul Olympia and Southern Puget Sound

Mostly clear. Lows in the lower to mid 50s. West wind 10 to 15 Mph becoming southwest after midnight.

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Armstrong Lake Temperature Statistics

July Temperature

Shelton, Shelton Sanderson Field (3.1 miles)

  • Lowest 3 July, 2025

    45.6 °F

  • Average July

    66.5 °F

  • Highest 13 July, 2025

    93.7 °F

Climate (2020–Present)

Shelton, Shelton Sanderson Field (3.1 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    61.2 °F
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