Rock Lake Weather Forecast

    • 50
    • 63

    Mostly Cloudy

    • 49
    • 64

    Mostly Cloudy

    • 37
    • 61

    Chance Rain

    • 31
    • 51

    Mostly Sunny

    • 34
    • 50

    Partly Sunny

    • 39
    • 51

    Mostly Cloudy

    • 36
    • 49

    Chance Rain/Snow

Today 18 Mar Okanogan Valley

Mostly cloudy. A chance of rain in the morning. Highs in the lower 60s to lower 70s. Southwest wind 5 to 15 Mph with Gusts up to 30 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 18 Mar Okanogan Valley

Mostly cloudy. A chance of rain overnight. Lows in the mid 40s to lower 50s. South wind 5 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

March Temperature

Omak Airport (32.3 miles)

  • Lowest 10 March, 2026

    21.9 °F

  • Average March

    42.3 °F

  • Highest 7 March, 2026

    70 °F

Climate (2021–Present)

Omak Airport (32.3 miles)

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  • Average Low 2021–2026

    40.9 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    63 °F
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