McMannaman Lake Weather Forecast

    • 61
    • 98

    Hot

    • 63
    • 102

    Hot

    • 56
    • 97

    Hot

    • 56
    • 90

    Mostly Sunny

    • 57
    • 92

    Mostly Sunny

    • 58
    • 94

    Mostly Sunny

Today 30 Jun Moses Lake Area

Sunny. Highs in the 90s. North wind 5 to 10 Mph.

Tonight 30 Jun Moses Lake Area

Mostly clear. Lows in the 60s. Northwest wind 5 to 10 Mph.

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McMannaman Lake Temperature Statistics

June Temperature

Grant County Airport (19.9 miles)

  • Lowest 15 June, 2025

    44.7 °F

  • Average June

    69.6 °F

  • Highest 9 June, 2025

    101.6 °F

Climate (2020–Present)

Grant County Airport (19.9 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    64.2 °F
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