Hiawatha Lake Weather Forecast

    • 44
    • 58

    Rain Showers

    • 45
    • 69

    Partly Sunny

    • 45
    • 69

    Partly Sunny

    • 45
    • 74

    Sunny

    • 47
    • 77

    Sunny

    • 48
    • 80

    Mostly Sunny

Today 13 Sep Moses Lake Area

Rain Showers. Highs in the upper 50s to lower 60s. South wind 5 to 15 Mph with Gusts up to 30 Mph. Chance of precipitation near 100 percent. Rainfall Amounts up to a half inch possible.

Tonight 13 Sep Moses Lake Area

Cloudy with rain Showers likely in the Evening, then partly cloudy overnight. Lows in the mid to upper 40s. Southwest wind 5 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 70 percent. Rainfall Amounts less than a tenth of an inch.

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Hiawatha Lake Temperature Statistics

September Temperature

Grant County Airport (8.7 miles)

  • Lowest 5 September, 2026

    45.6 °F

  • Average September

    63.7 °F

  • Highest 9 September, 2026

    83.6 °F

Climate (2021–2026)

Grant County Airport (8.7 miles)

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  • Average Low 2021–2026

    40.8 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    64.2 °F
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