Barnes Lake Weather Forecast

    • 37
    • 58

    Partly Sunny

    • 43
    • 64

    Mostly Cloudy

    • 45
    • 68

    Mostly Cloudy

    • 39
    • 68

    Mostly Cloudy

    • 34
    • 56

    Chance Rain

Today 3 Apr Olympia and Southern Puget Sound

Mostly cloudy. Highs in the mid to upper 50s. Light wind.

Tonight 3 Apr Olympia and Southern Puget Sound

Mostly clear. Lows in the mid 30s to lower 40s. Light wind.

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  • Temperature Real-Time

Barnes Lake Temperature Statistics

April Temperature

Olympia, Olympia Airport (1.9 miles)

  • Lowest 1 April, 2026

    39.9 °F

  • Average April

    45.2 °F

  • Highest 1 April, 2026

    48.9 °F

Climate (2021–Present)

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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