Johnsburg Weather Forecast

    • 49
    • 67

    Chance Rain Showers

    • 45
    • 58

    Rain Showers Likely

    • 42
    • 60

    Mostly Sunny

    • 45
    • 63

    Partly Sunny

    • 50
    • 63

    Mostly Cloudy

    • 52
    • 65

    Chance Rain Showers

    • 54
    • 66

    Chance Rain Showers

Today 20 Sep Mower

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 60s.

Tonight 20 Sep Mower

Cloudy. A slight chance of Showers after midnight. Lows in the upper 40s. East Winds 10 to 15 Mph. Chance of rain 20 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

    47.8 °F

  • Average High 2021–2026

    57.2 °F
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