Castle Lake Weather Forecast

    • 38
    • 44

    Rain

    • 33
    • 48

    Rain Likely

    • 37
    • 48

    Rain Likely

    • 33
    • 51

    Breezy

    • 34
    • 53

    Mostly Cloudy

    • 33
    • 53

    Mostly Cloudy

    • 36
    • 54

    Mostly Cloudy

Today 22 Feb Upper Columbia Basin

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 40s to lower 50s. South wind 5 to 15 Mph with Gusts up to 20 Mph.

Tonight 22 Feb Upper Columbia Basin

Rain. Lows in the upper 30s to lower 40s. South wind 5 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation near 100 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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