Grand Lake Weather Forecast

    • 70
    • 96

    Sunny

    • 69
    • 96

    Partly Sunny

    • 66
    • 92

    Slight Chance Thunderstorms

    • 67
    • 89

    Chance Thunderstorms

    • 64
    • 88

    Chance Rain Showers

    • 62
    • 85

    Slight Chance Thunderstorms

Today 14 Jul Green Lake

Hot, sunny. Highs in the mid 90s. West Winds 5 to 10 Mph. Highest heat index Readings 95 to 100 in the afternoon.

Tonight 14 Jul Green Lake

Clear. Lows in the upper 60s. West Winds 5 to 10 Mph. Highest heat index Readings 95 to 98 in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

July Temperature

Wautoma, Wautoma Municipal Airport (25.5 miles)

  • Lowest 6 July, 2026

    57.9 °F

  • Average July

    73.4 °F

  • Highest 1 July, 2026

    91 °F

Climate (2021–2026)

Wautoma, Wautoma Municipal Airport (25.5 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    57.7 °F
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