Rock Lake Weather Forecast

    • 27
    • 48

    Chance Rain/Snow

    • 32
    • 45

    Snow Likely

    • 33
    • 48

    Rain/Snow Likely

    • 33
    • 44

    Rain/Snow Likely

    • 27
    • 47

    Chance Rain

    • 28
    • 48

    Mostly Sunny

    • 32
    • 48

    Chance Rain

Today 13 Mar Upper Columbia Basin

Partly sunny with a chance of rain or snow. Highs in the mid 40s to lower 50s. Windy. Southwest wind 20 to 30 Mph with Gusts up to 45 Mph. Chance of precipitation 50 percent.

Tonight 13 Mar Upper Columbia Basin

Partly cloudy. Lows in the upper 20s. Southwest wind 5 to 15 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rock Lake Temperature Statistics

March Temperature

Grant County Airport (41.6 miles)

  • Lowest 6 March, 2025

    28.9 °F

  • Average March

    44.5 °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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