Johnsburg Weather Forecast

    • 63
    • 78

    Increasing Clouds

    • 58
    • 76

    Rain Showers

    • 56
    • 74

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 60
    • 78

    Chance Rain Showers

    • 57
    • 76

    Mostly Sunny

Today 17 Aug Mower

Mostly sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 17 Aug Mower

Partly cloudy in the Evening, then becoming mostly cloudy. A chance of Thunderstorms with a slight chance of Showers. Lows in the lower 60s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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Johnsburg Temperature Statistics

August Temperature

Austin Municipal (13.7 miles)

  • Lowest 6 August, 2026

    51.1 °F

  • Average August

    70 °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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