Isabella Lake Weather Forecast

    • 51
    • 70

    Mostly Sunny

    • 53
    • 84

    Sunny

    • 51
    • 76

    Partly Sunny

    • 51
    • 74

    Partly Sunny

    • 52
    • 76

    Partly Sunny

    • 54
    • 68

    Chance Rain

    • 51
    • 69

    Chance Rain

Today 15 Sep Olympia and Southern Puget Sound

Sunny. Highs in the mid 60s to lower 70s. Northeast wind around 10 Mph.

Tonight 15 Sep Olympia and Southern Puget Sound

Mostly clear. Lows in the upper 40s to mid 50s. Northeast wind to 10 Mph increasing to 10 to 15 Mph after midnight.

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  • Temperature Real-Time

Isabella Lake Temperature Statistics

September Temperature

Shelton, Shelton Sanderson Field (4.3 miles)

  • Lowest 8 September, 2025

    52 °F

  • Average September

    62.5 °F

  • Highest 3 September, 2025

    84 °F

Climate (2020–Present)

Shelton, Shelton Sanderson Field (4.3 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    61.2 °F
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