Grant County International Airport Weather Forecast

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    • 88

    Slight Chance Rain Showers

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    • 83

    Chance Rain Showers

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    • 73

    Chance Rain Showers

Today 7 Sep Moses Lake Area

Mostly cloudy. A chance of rain Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Areas of smoke in the morning. Haze. Highs in the mid to upper 80s. South wind 5 to 15 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 7 Sep Moses Lake Area

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Haze. Areas of smoke overnight. Lows in the mid 50s to lower 60s. West wind 5 to 15 Mph. Chance of precipitation 20 percent.

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Grant County International Airport Temperature Statistics

September Temperature

Grant County Airport (0.6 miles)

  • Lowest 3 September, 2025

    57.9 °F

  • Average September

    77.6 °F

  • Highest 2 September, 2025

    97 °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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