Grant County International Airport Weather Forecast

    • 31
    • 54

    Partly Sunny

    • 42
    • 48

    Chance Rain

    • 33
    • 57

    Slight Chance Rain

    • 33
    • 55

    Partly Sunny

    • 35
    • 50

    Slight Chance Rain

    • 38
    • 52

    Mostly Cloudy

Today 30 Oct Moses Lake Area

Mostly sunny. Highs in the lower to mid 50s. Northeast wind 5 to 10 Mph.

Tonight 30 Oct Moses Lake Area

Mostly cloudy in the evening then clearing. Patchy fog overnight. Lows in the lower to mid 30s. Northeast wind 5 to 10 Mph.

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Grant County International Airport Temperature Statistics

October Temperature

Grant County Airport (0.6 miles)

  • Lowest 28 October, 2025

    27 °F

  • Average October

    50.3 °F

  • Highest 8 October, 2025

    73 °F

Climate (2020–Present)

Grant County Airport (0.6 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    64.2 °F
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