Moses Lake Weather Forecast

    • 49
    • 77

    Becoming Sunny

    • 50
    • 78

    Mostly Sunny

    • 54
    • 83

    Mostly Sunny

    • 52
    • 85

    Mostly Sunny

    • 51
    • 82

    Mostly Cloudy

    • 43
    • 73

    Partly Sunny

Today 20 May Moses Lake Area

Mostly cloudy in the morning then clearing. Highs in the 70s. Northwest wind 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 20 May Moses Lake Area

Mostly clear. Lows in the mid 40s to lower 50s. North wind 5 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Moses Lake Temperature Statistics

May Temperature

Grant County Airport (4.3 miles)

  • Lowest 17 May, 2026

    36 °F

  • Average May

    63 °F

  • Highest 4 May, 2026

    89.7 °F

Climate (2021–Present)

Grant County Airport (4.3 miles)

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  • Average Low 2021–2026

    41 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    64.3 °F
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