Tumwater Weather Forecast

    • 48
    • 74

    Mostly Cloudy

    • 48
    • 75

    Chance Rain

    • 47
    • 59

    Rain Likely

    • 43
    • 58

    Chance Rain

    • 41
    • 66

    Partly Sunny

    • 43
    • 70

    Mostly Sunny

    • 43
    • 69

    Mostly Sunny

Today 19 Apr Olympia and Southern Puget Sound

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

Tonight 19 Apr Olympia and Southern Puget Sound

Mostly cloudy then becoming partly cloudy in the late evening and early morning then becoming mostly cloudy. Lows in the mid 40s to lower 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tumwater Temperature Statistics

April Temperature

Olympia, Olympia Airport (1.9 miles)

  • Lowest 16 April, 2026

    27.6 °F

  • Average April

    48.2 °F

  • Highest 6 April, 2026

    75.7 °F

Climate (2021–Present)

Olympia, Olympia Airport (1.9 miles)

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  • Average Low 2021–2026

    41.8 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    62.2 °F
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