Glacial Heritage Preserve Weather Forecast

    • 55
    • 88

    Mostly Sunny

    • 52
    • 84

    Mostly Sunny

    • 48
    • 73

    Partly Sunny

    • 49
    • 76

    Mostly Sunny

    • 49
    • 77

    Partly Sunny

    • 51
    • 76

    Partly Sunny

Today 30 Jun Lowlands of Lewis and Southern Thurston Counties

Sunny. Highs in the mid 80s to lower 90s. North wind to 10 Mph.

Tonight 30 Jun Lowlands of Lewis and Southern Thurston Counties

Mostly clear. Lows in the mid to upper 50s. North wind around 10 Mph becoming northwest to 10 Mph after midnight.

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Glacial Heritage Preserve Temperature Statistics

June Temperature

Olympia, Olympia Airport (9.9 miles)

  • Lowest 14 June, 2025

    36.6 °F

  • Average June

    60.4 °F

  • Highest 9 June, 2025

    93.7 °F

Climate (2020–Present)

Olympia, Olympia Airport (9.9 miles)

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  • Average Low 2020–2025

    41.6 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.9 °F
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