Johnsburg Weather Forecast

    • 56
    • 72

    Rain Showers Likely

    • 54
    • 73

    Slight Chance Rain Showers

    • 59
    • 75

    Mostly Sunny

    • 62
    • 78

    Mostly Sunny

    • 66
    • 81

    Slight Chance Thunderstorms

    • 66
    • 82

    Chance Rain Showers

Today 4 Aug Mower

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Humid with Highs in the lower 70s. West Winds 5 to 10 Mph, becoming northwest in the afternoon. Chance of rain 50 percent.

Tonight 4 Aug Mower

Mostly cloudy. A chance of Showers in the evening. Cooler with Lows in the mid 50s. Northwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnsburg Temperature Statistics

August Temperature

Austin Municipal (13.7 miles)

  • Lowest 1 August, 2026

    61.3 °F

  • Average August

    70 °F

  • Highest 1 August, 2026

    79.7 °F

Climate (2021–2026)

Austin Municipal (13.7 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.5 °F
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