Lake Sacajawea Weather Forecast

    • 34
    • 47

    Rain

    • 28
    • 45

    Partly Sunny

    • 26
    • 43

    Slight Chance Rain/Snow

    • 23
    • 39

    Chance Snow

    • 16
    • 32

    Chance Snow

    • 17
    • 30

    Chance Snow

    • 18
    • 30

    Chance Snow

Today 31 Jan Lower Columbia Basin of Washington

Rain and freezing rain in the Morning, then rain likely in the afternoon. Highs in the mid to upper 40s. South wind 5 to 15 Mph. Chance of precipitation near 100 percent.

Tonight 31 Jan Lower Columbia Basin of Washington

Mostly cloudy. A chance of rain. Lows in the upper 20s to mid 30s. Breezy. Southwest wind 10 to 20 Mph with Gusts to around 30 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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Lake Sacajawea Temperature Statistics

January Temperature

Tri-Cities Airport (18.6 miles)

  • Lowest 28 January, 2025

    14 °F

  • Average January

    34.1 °F

  • Highest 11 January, 2025

    55.7 °F

Climate (2020–Present)

Tri-Cities Airport (18.6 miles)

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  • Average Low 2020–2025

    43 °F

  • Average 2020–2025

    55.6 °F

  • Average High 2020–2025

    67.9 °F
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