Johnsburg Weather Forecast

    • 60
    • 74

    Rain Showers Likely

    • 46
    • 64

    Chance Rain Showers

    • 44
    • 61

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

    • 41
    • 63

    Mostly Sunny

    • 45
    • 60

    Mostly Sunny

Today 30 Sep Mower

Mostly cloudy. Highs in the lower 70s. Southwest Winds 5 to 10 Mph.

Tonight 30 Sep Mower

Cloudy. A slight chance of Showers in the Evening, then Showers likely after midnight. Patchy fog. Humid with Lows around 60. Southwest Winds around 5 Mph. Chance of rain 70 percent.

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Johnsburg Temperature Statistics

September Temperature

Austin Municipal (13.7 miles)

  • Lowest 14 September, 2026

    59.2 °F

  • Average September

    59.2 °F

  • Highest 14 September, 2026

    59.4 °F

Climate (2021–2026)

Austin Municipal (13.7 miles)

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  • Average Low 2021–2026

    38.5 °F

  • Average 2021–2026

    47.8 °F

  • Average High 2021–2026

    57.1 °F
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