Rock Lake Weather Forecast

    • 27
    • 48

    Rain/Snow

    • 32
    • 46

    Snow

    • 35
    • 49

    Rain/Snow

    • 31
    • 49

    Chance Rain

    • 28
    • 50

    Chance Rain/Snow

    • 29
    • 52

    Mostly Sunny

Today 13 Mar Upper Columbia Basin

Mostly cloudy. Rain or snow likely in the Morning, then a chance of rain or snow in the afternoon. No snow accumulation. Highs in the mid 40s to lower 50s. Windy. Southwest wind 20 to 30 Mph with Gusts up to 45 Mph. Chance of precipitation 70 percent.

Tonight 13 Mar Upper Columbia Basin

Partly cloudy. A chance of snow Showers in the evening. Lows in the upper 20s to lower 30s. Breezy. Southwest wind 10 to 20 Mph. Gusts up to 30 Mph in the evening. Chance of precipitation 20 percent.

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Rock Lake Temperature Statistics

March Temperature

Grant County Airport (41.6 miles)

  • Lowest 6 March, 2025

    28.9 °F

  • Average March

    44.6 °F

  • Highest 1 March, 2025

    62.7 °F

Climate (2020–Present)

Grant County Airport (41.6 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    64.1 °F
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