Johnsburg Weather Forecast

    • 67
    • 80

    Chance Thunderstorms

    • 58
    • 77

    Partly Sunny

    • 62
    • 78

    Partly Sunny

    • 60
    • 78

    Rain Showers Likely

    • 54
    • 72

    Partly Sunny

    • 56
    • 72

    Partly Sunny

Today 15 Aug Mower

Mostly cloudy. A slight chance of Showers this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs around 80. Southeast Winds 5 to 10 Mph, becoming south this afternoon. Chance of rain 30 percent.

Tonight 15 Aug Mower

Mostly cloudy. A chance of Showers and Thunderstorms in the Evening, then a slight chance of Showers after midnight. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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Johnsburg Temperature Statistics

August Temperature

Austin Municipal (13.7 miles)

  • Lowest 6 August, 2026

    51.1 °F

  • Average August

    69.8 °F

  • Highest 9 August, 2026

    84.6 °F

Climate (2021–2026)

Austin Municipal (13.7 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.4 °F
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