Lake Sacajawea Weather Forecast

    • 55
    • 91

    Sunny

    • 56
    • 90

    Mostly Sunny

    • 60
    • 94

    Partly Sunny

    • 60
    • 97

    Hot

    • 54
    • 89

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

Today 4 Jul Lower Columbia Basin of Washington

Sunny. Highs in the upper 80s to lower 90s. Southwest wind 5 to 15 Mph.

Tonight 4 Jul Lower Columbia Basin of Washington

Clear. Lows in the 50s. West wind 5 to 10 Mph with Gusts to around 20 Mph.

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Lake Sacajawea Temperature Statistics

July Temperature

Tri-Cities Airport (18.6 miles)

  • Lowest 1 July, 2026

    55 °F

  • Average July

    68.2 °F

  • Highest 2 July, 2026

    81 °F

Climate (2021–2026)

Tri-Cities Airport (18.6 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    68 °F
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