Johnsburg Weather Forecast

    • 61
    • 80

    Decreasing Clouds

    • 58
    • 79

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 63
    • 80

    Chance Rain Showers

    • 67
    • 80

    Chance Thunderstorms

    • 67
    • 83

    Chance Thunderstorms

Today 25 Aug Mower

Mostly sunny. Highs in the upper 70s. Southwest Winds 10 to 15 Mph.

Tonight 25 Aug Mower

Partly cloudy. Humid with Lows in the lower 60s. Southwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight.

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Johnsburg Temperature Statistics

August Temperature

Austin Municipal (13.7 miles)

  • Lowest 23 August, 2026

    49.6 °F

  • Average August

    69.4 °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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