Lake Tishomingo Weather Forecast

    • 73
    • 92

    Increasing Clouds

    • 71
    • 91

    Chance Thunderstorms

    • 75
    • 93

    Mostly Sunny

    • 67
    • 95

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 64
    • 82

    Partly Sunny

Today 18 Jul Jefferson

Mostly sunny. Highs in the lower 90s. West Winds 5 to 10 Mph. Heat index Values up to 103.

Tonight 18 Jul Jefferson

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. West Winds around 5 Mph. Chance of rain 20 percent. Heat index Values up to 100 early in the evening.

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Lake Tishomingo Temperature Statistics

July Temperature

St. Louis, Spirit Of St. Louis Airport (23.6 miles)

  • Lowest 13 July, 2026

    64.7 °F

  • Average July

    80 °F

  • Highest 2 July, 2026

    96.7 °F

Climate (2021–2026)

St. Louis, Spirit Of St. Louis Airport (23.6 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    57.5 °F

  • Average High 2021–2026

    68.9 °F
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