Johnsburg Weather Forecast

    • 71
    • 91

    Rain Showers

    • 70
    • 88

    Rain Showers

    • 70
    • 86

    Rain Showers Likely

    • 69
    • 87

    Chance Thunderstorms

    • 67
    • 86

    Chance Thunderstorms

    • 64
    • 84

    Slight Chance Thunderstorms

Today 30 Jun Mower

Mostly sunny with a slight chance of Showers and Thunderstorms. Hot with Highs around 90. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent. Heat index Values up to 100.

Tonight 30 Jun Mower

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph. Chance of rain 50 percent. Heat index Values up to 100 early in the evening.

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Johnsburg Temperature Statistics

June Temperature

Austin Municipal (13.7 miles)

  • Lowest 15 June, 2026

    47.8 °F

  • Average June

    68.1 °F

  • Highest 10 June, 2026

    87.6 °F

Climate (2021–2026)

Austin Municipal (13.7 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    48 °F

  • Average High 2021–2026

    57.4 °F
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