Mesa Lake Weather Forecast

    • 37
    • 58

    Mostly Cloudy

    • 38
    • 53

    Slight Chance Rain Showers

    • 38
    • 57

    Partly Sunny

    • 34
    • 54

    Partly Sunny

    • 31
    • 51

    Partly Sunny

    • 28
    • 50

    Partly Sunny

    • 28
    • 49

    Partly Sunny

Today 25 Oct Lower Columbia Basin of Washington

Mostly sunny. Highs in the upper 40s to lower 50s.

Tonight 25 Oct Lower Columbia Basin of Washington

Mostly cloudy. A 20 percent chance of rain Showers overnight. Patchy fog overnight. Lows in the mid to upper 30s. North wind 5 to 10 Mph in the Evening, becoming light. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mesa Lake Temperature Statistics

October Temperature

Tri-Cities Airport (20.5 miles)

  • Lowest 13 October, 2026

    29.6 °F

  • Average October

    54.9 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Tri-Cities Airport (20.5 miles)

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  • Average Low 2021–2026

    42.7 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    68 °F
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