Glacial Heritage Preserve Weather Forecast

    • 43
    • 67

    Decreasing Clouds

    • 44
    • 71

    Mostly Sunny

    • 46
    • 73

    Partly Sunny

    • 47
    • 73

    Partly Sunny

    • 48
    • 71

    Mostly Cloudy

    • 49
    • 71

    Mostly Cloudy

Today 31 May Lowlands of Lewis and Southern Thurston Counties

Mostly sunny in the morning then becoming partly sunny. A slight chance of rain early in the afternoon. Highs in the mid to upper 60s. Light wind becoming west around 10 Mph in the afternoon.

Tonight 31 May Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows in the lower to mid 40s. West wind around 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Glacial Heritage Preserve Temperature Statistics

May Temperature

Olympia, Olympia Airport (9.9 miles)

  • Lowest 5 May, 2025

    31.7 °F

  • Average May

    54.9 °F

  • Highest 6 May, 2025

    80.7 °F

Climate (2020–Present)

Olympia, Olympia Airport (9.9 miles)

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  • Average Low 2020–2025

    41.7 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.8 °F
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