Castle Lake Weather Forecast

    • 33
    • 48

    Rain Likely

    • 37
    • 48

    Rain Likely

    • 33
    • 51

    Breezy

    • 34
    • 53

    Mostly Cloudy

    • 33
    • 53

    Mostly Cloudy

    • 36
    • 54

    Mostly Cloudy

Today 23 Feb Upper Columbia Basin

Cloudy with a 50 percent chance of rain. Highs in the upper 40s to mid 50s. Southwest wind 5 to 15 Mph with Gusts up to 20 Mph. Rainfall Amounts up to a half inch possible.

Tonight 23 Feb Upper Columbia Basin

Cloudy with rain likely in the Evening, then partly cloudy overnight. Lows in the 30s. Breezy. Southwest wind 10 to 20 Mph with Gusts up to 35 Mph. Chance of precipitation 70 percent. Rainfall Amounts less than a quarter of an inch.

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Castle Lake Temperature Statistics

February Temperature

Ephrata, Ephrata Municipal Airport (21.7 miles)

  • Lowest 12 February, 2025

    2.8 °F
  • Average February

    26.2 °F
  • Highest 1 February, 2025

    44.7 °F

Climate (2020–Present)

Ephrata, Ephrata Municipal Airport (21.7 miles)

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  • Average Low 2020–2025

    41.9 °F
  • Average 2020–2025

    53 °F
  • Average High 2020–2025

    63.2 °F
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