Johnsburg Weather Forecast

    • 61
    • 68

    Rain Showers Likely

    • 57
    • 71

    Rain Showers

    • 47
    • 65

    Slight Chance Rain Showers

    • 44
    • 64

    Mostly Sunny

    • 47
    • 63

    Partly Sunny

    • 42
    • 62

    Partly Sunny

Today 29 Sep Mower

Partly sunny this Morning, then cloudy with Showers with a slight chance of Thunderstorms this afternoon. Highs in the upper 60s. South Winds 10 to 15 Mph. Chance of rain 90 percent.

Tonight 29 Sep Mower

Cloudy. Showers likely with a slight chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Near steady temperature in the lower 60s. South Winds 10 to 15 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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