Guerin County Park Weather Forecast

    • 50
    • 71

    Chance Rain Showers

    • 44
    • 66

    Chance Rain Showers

    • 50
    • 76

    Partly Sunny

    • 52
    • 87

    Mostly Sunny

    • 49
    • 73

    Chance Rain Showers

    • 50
    • 80

    Mostly Sunny

Today 25 May Lowlands of Lewis and Southern Thurston Counties

Partly sunny. Highs near 70. Light wind becoming west to 10 Mph in the afternoon.

Tonight 25 May Lowlands of Lewis and Southern Thurston Counties

Mostly cloudy. A slight chance of Showers late in the evening. A chance of Showers after midnight. Lows near 50. West wind 10 to 15 Mph in the evening becoming light.

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Guerin County Park Temperature Statistics

May Temperature

Olympia, Olympia Airport (3.7 miles)

  • Lowest 5 May, 2025

    31.7 °F

  • Average May

    53.9 °F

  • Highest 6 May, 2025

    80.7 °F

Climate (2020–Present)

Olympia, Olympia Airport (3.7 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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