Johnsburg Weather Forecast

    • 61
    • 63

    Rain Showers

    • 56
    • 70

    Rain Showers Likely

    • 49
    • 65

    Chance Rain Showers

    • 45
    • 58

    Chance Rain Showers

    • 43
    • 59

    Partly Sunny

    • 46
    • 62

    Partly Sunny

Today 18 Sep Mower

Mostly cloudy with a chance of Showers and Thunderstorms. Cooler. Near steady temperature in the lower 60s. East Winds 10 to 15 Mph. Chance of rain 50 percent.

Tonight 18 Sep Mower

Thunderstorms likely. Showers. Some Thunderstorms may produce heavy rainfall. Locally heavy rainfall possible in the evening. Near steady temperature in the lower 60s. East Winds 10 to 15 Mph. Chance of rain 90 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

    38.6 °F

  • Average 2021–2026

    47.9 °F

  • Average High 2021–2026

    57.3 °F
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