Johnsburg Weather Forecast

    • 55
    • 70

    Mostly Cloudy

    • 60
    • 69

    Rain Showers Likely

    • 56
    • 69

    Rain Showers

    • 45
    • 64

    Slight Chance Rain Showers

    • 45
    • 63

    Mostly Sunny

    • 48
    • 64

    Partly Sunny

Today 28 Sep Mower

Patchy fog late this morning. Mostly cloudy. Highs in the upper 60s. Southeast Winds 5 to 10 Mph.

Tonight 28 Sep Mower

Mostly cloudy. Lows in the mid 50s. South Winds 5 to 10 Mph.

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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

    57.2 °F
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