Swift Reservoir Weather Forecast

    • 49
    • 63

    Becoming Sunny

    • 51
    • 66

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 39
    • 54

    Slight Chance Rain

    • 42
    • 55

    Rain Likely

    • 41
    • 49

    Rain Likely

Today 14 Oct South Washington Cascade Foothills

Mostly sunny. Highs in the upper 60s. Light and variable Winds, becoming light in the afternoon.

Tonight 14 Oct South Washington Cascade Foothills

Patchy fog in the evening. Mostly clear. Lows in the upper 40s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Swift Reservoir Temperature Statistics

October Temperature

Southwest Washington Regional Airport (37.3 miles)

  • Lowest 11 October, 2026

    36 °F

  • Average October

    58.4 °F

  • Highest 4 October, 2026

    79 °F

Climate (2021–2026)

Southwest Washington Regional Airport (37.3 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.5 °F
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