Soap Lake Weather Forecast

    • 55
    • 83

    Mostly Sunny

    • 55
    • 85

    Partly Sunny

    • 49
    • 80

    Partly Sunny

    • 50
    • 73

    Mostly Cloudy

    • 50
    • 70

    Chance Rain Showers

    • 44
    • 66

    Chance Rain Showers

Today 20 Sep Moses Lake Area

Sunny. Highs in the lower to mid 80s. East wind 5 to 10 Mph in the Morning, becoming light and variable.

Tonight 20 Sep Moses Lake Area

Mostly clear. Lows in the lower to mid 50s. Light Wind, becoming northeast 5 to 10 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Soap Lake Temperature Statistics

September Temperature

Ephrata, Ephrata Municipal Airport (5.6 miles)

  • Lowest 14 September, 2026

    42.7 °F

  • Average September

    63.6 °F

  • Highest 9 September, 2026

    83.6 °F

Climate (2021–2026)

Ephrata, Ephrata Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    63.9 °F
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