Swanson Lakes Weather Forecast

    • 38
    • 50

    Mostly Cloudy

    • 35
    • 50

    Mostly Cloudy

    • 40
    • 49

    Rain Likely

    • 38
    • 54

    Rain

    • 33
    • 50

    Rain/Snow Likely

    • 32
    • 45

    Chance Rain/Snow

Today 12 Dec Upper Columbia Basin

Mostly cloudy. Highs in the 50s. Southwest wind 5 to 15 Mph.

Tonight 12 Dec Upper Columbia Basin

Mostly cloudy. Lows in the upper 30s to lower 40s. Southwest wind 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swanson Lakes Temperature Statistics

December Temperature

Fairchild Air Force Base (41.6 miles)

  • Lowest 2 December, 2025

    23.5 °F

  • Average December

    36 °F

  • Highest 8 December, 2025

    50.9 °F

Climate (2020–Present)

Fairchild Air Force Base (41.6 miles)

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  • Average Low 2020–2025

    39.4 °F

  • Average 2020–2025

    49.2 °F

  • Average High 2020–2025

    58.8 °F
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