Tri-Cities Airport Weather Forecast

    • 34
    • 49

    Dense Fog

    • 34
    • 52

    Slight Chance Rain

    • 35
    • 51

    Mostly Cloudy

    • 34
    • 50

    Mostly Cloudy

    • 31
    • 49

    Mostly Cloudy

    • 33
    • 48

    Mostly Cloudy

    • 35
    • 49

    Mostly Cloudy

Today 31 Jan Lower Columbia Basin of Washington

Mostly cloudy. Highs in the upper 40s to lower 50s. North wind 5 to 10 Mph.

Tonight 31 Jan Lower Columbia Basin of Washington

Mostly cloudy. Patchy fog. Lows in the mid 30s. Northwest wind 5 to 10 Mph in the Evening, becoming light.

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Tri-Cities Airport Temperature Statistics

January Temperature

Tri-Cities Airport (0 miles)

  • Lowest 25 January, 2026

    13.6 °F

  • Average January

    36.7 °F

  • Highest 12 January, 2026

    64.7 °F

Climate (2021–Present)

Tri-Cities Airport (0 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    68 °F
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