Diamond Lake Weather Forecast

    • 37
    • 49

    Increasing Clouds

    • 39
    • 52

    Mostly Cloudy

    • 30
    • 54

    Breezy

    • 24
    • 38

    Breezy

    • 26
    • 39

    Mostly Sunny

    • 27
    • 42

    Mostly Sunny

Today 4 Apr Upper Slopes of the Eastern Washington Cascades Crest

Sunny. Highs in the 50s.

Tonight 4 Apr Upper Slopes of the Eastern Washington Cascades Crest

Partly cloudy. Lows in the mid 30s to lower 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond Lake Temperature Statistics

April Temperature

Yakima Air Terminal - McAllister Field (35.4 miles)

  • Lowest 2 April, 2026

    28.9 °F

  • Average April

    45.2 °F

  • Highest 2 April, 2026

    59 °F

Climate (2021–Present)

Yakima Air Terminal - McAllister Field (35.4 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    65.3 °F
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