Grand Lake Weather Forecast

    • 61
    • 81

    Partly Sunny

    • 73
    • 86

    Slight Chance Thunderstorms

    • 74
    • 95

    Partly Sunny

    • 68
    • 90

    Chance Thunderstorms

    • 67
    • 88

    Slight Chance Thunderstorms

    • 68
    • 88

    Slight Chance Thunderstorms

    • 69
    • 91

    Slight Chance Thunderstorms

Today 21 Jul Green Lake

Mostly sunny. East Winds 5 to 10 Mph.

Tonight 21 Jul Green Lake

Partly cloudy. Lows around 60. Southeast Winds up to 10 Mph.

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Grand Lake Temperature Statistics

July Temperature

Wautoma, Wautoma Municipal Airport (25.5 miles)

  • Lowest 18 July, 2025

    50 °F

  • Average July

    72 °F

  • Highest 4 July, 2025

    90 °F

Climate (2020–Present)

Wautoma, Wautoma Municipal Airport (25.5 miles)

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  • Average Low 2020–2025

    36.7 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    57.5 °F
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