McNary National Wildlife Refuge Weather Forecast

    • 39
    • 60

    Decreasing Clouds

    • 36
    • 57

    Chance Rain Showers

    • 34
    • 54

    Mostly Cloudy

    • 36
    • 52

    Partly Sunny

    • 36
    • 50

    Mostly Cloudy

    • 29
    • 51

    Partly Sunny

Today 27 Oct Lower Columbia Basin of Washington

Mostly cloudy in the Morning, becoming mostly sunny. Highs in the upper 50s to lower 60s. Southwest wind 5 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 27 Oct Lower Columbia Basin of Washington

Partly cloudy. Lows in the mid 30s to lower 40s. Southwest wind 5 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McNary National Wildlife Refuge Temperature Statistics

October Temperature

Tri-Cities Airport (8.7 miles)

  • Lowest 13 October, 2026

    29.6 °F

  • Average October

    54.3 °F

  • Highest 5 October, 2026

    84.7 °F

Climate (2021–2026)

Tri-Cities Airport (8.7 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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