Tumwater Weather Forecast

    • 54
    • 83

    Increasing Clouds

    • 58
    • 88

    Decreasing Clouds

    • 60
    • 94

    Partly Sunny

    • 58
    • 94

    Partly Sunny

    • 55
    • 86

    Partly Sunny

    • 53
    • 80

    Partly Sunny

    • 52
    • 77

    Partly Sunny

Today 19 Jul Olympia and Southern Puget Sound

Sunny. Highs in the mid 70s to lower 80s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 19 Jul Olympia and Southern Puget Sound

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Northeast wind to 10 Mph in the evening becoming light.

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Tumwater Temperature Statistics

July Temperature

Olympia, Olympia Airport (1.9 miles)

  • Lowest 13 July, 2026

    43.6 °F

  • Average July

    63 °F

  • Highest 6 July, 2026

    87.7 °F

Climate (2021–2026)

Olympia, Olympia Airport (1.9 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.2 °F
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