Johnson Lake Weather Forecast

    • 70
    • 94

    Slight Chance Thunderstorms

    • 74
    • 95

    Mostly Sunny

    • 72
    • 98

    Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

    • 67
    • 85

    Chance Thunderstorms

    • 65
    • 81

    Chance Thunderstorms

Today 26 Aug Shackelford

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 26 Aug Shackelford

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows around 70. East Winds 10 to 15 Mph. Chance of rain 20 percent.

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Johnson Lake Temperature Statistics

August Temperature

Stephens County Airport (17.4 miles)

  • Lowest 24 August, 2025

    69.4 °F

  • Average August

    85.5 °F

  • Highest 8 August, 2025

    103.1 °F

Climate (2020–Present)

Stephens County Airport (17.4 miles)

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  • Average Low 2020–2025

    56 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    79.7 °F
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