Johnsburg Weather Forecast

    • 50
    • 64

    Mostly Cloudy

    • 53
    • 62

    Mostly Cloudy

    • 54
    • 66

    Rain Showers Likely

    • 54
    • 61

    Chance Rain Showers

    • 55
    • 70

    Mostly Cloudy

    • 58
    • 71

    Chance Rain Showers

Today 23 Sep Mower

Mostly sunny. Highs in the lower 60s. Southeast Winds 5 to 10 Mph.

Tonight 23 Sep Mower

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 50. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

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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