Rimrock Lake Weather Forecast

    • 37
    • 52

    Chance Rain Showers

    • 34
    • 47

    Rain/Snow Likely

    • 33
    • 45

    Chance Rain/Snow

    • 36
    • 52

    Partly Sunny

    • 39
    • 57

    Mostly Sunny

    • 41
    • 58

    Mostly Sunny

Today 14 May Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. Highs in the lower 40s to lower 50s. West wind 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 14 May Upper Slopes of the Eastern Washington Cascades Crest

Mostly cloudy. A chance of rain and high mountain snow Showers. Snow level 4500 feet overnight. Lows in the lower to mid 30s. West wind 5 to 15 Mph with Gusts to around 40 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rimrock Lake Temperature Statistics

May Temperature

Stampede Pass (44.1 miles)

  • Lowest 7 May, 2026

    37.9 °F

  • Average May

    52.5 °F

  • Highest 3 May, 2026

    71.1 °F

Climate (2021–Present)

Stampede Pass (44.1 miles)

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  • Average Low 2021–2026

    36.3 °F

  • Average 2021–2026

    41.6 °F

  • Average High 2021–2026

    48.4 °F
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