Grand Lake O' The Cherokees Weather Forecast

    • 68
    • 92

    Slight Chance Thunderstorms

    • 67
    • 91

    Slight Chance Thunderstorms

    • 67
    • 90

    Chance Thunderstorms

    • 65
    • 84

    Chance Thunderstorms

    • 63
    • 81

    Chance Rain Showers

    • 64
    • 83

    Slight Chance Thunderstorms

Today 15 Sep Ottawa

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. South Winds around 5 Mph. Chance of rain 20 percent.

Tonight 15 Sep Ottawa

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Grand Lake O' The Cherokees Temperature Statistics

September Temperature

Grove, Grove Municipal Airport (17.4 miles)

  • Lowest 7 September, 2025

    51.8 °F

  • Average September

    70.7 °F

  • Highest 13 September, 2025

    93.2 °F

Climate (2020–Present)

Grove, Grove Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    58.7 °F

  • Average High 2020–2025

    70.1 °F
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