Swift Reservoir Weather Forecast

    • 33
    • 43

    Rain

    • 29
    • 39

    Mostly Cloudy

    • 33
    • 42

    Rain Showers Likely

    • 33
    • 44

    Rain Showers Likely

    • 33
    • 49

    Mostly Cloudy

    • 33
    • 51

    Mostly Sunny

    • 36
    • 53

    Partly Sunny

Today 24 Feb South Washington Cascade Foothills

Rain. Highs in the upper 40s. Winds light. Chance of rain 90 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 24 Feb South Washington Cascade Foothills

Mostly cloudy with a chance of rain Showers this Evening, then partly cloudy with a slight chance of rain Showers after midnight. Patchy fog after midnight. Snow level 2000 feet. Lows in the mid 30s. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an inch.

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Swift Reservoir Temperature Statistics

February Temperature

Southwest Washington Regional Airport (37.3 miles)

  • Lowest 19 February, 2026

    28 °F

  • Average February

    44 °F

  • Highest 4 February, 2026

    61 °F

Climate (2021–Present)

Southwest Washington Regional Airport (37.3 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.5 °F
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