Johnsburg Weather Forecast
- 63
- 85
Slight Chance Thunderstorms
- 62
- 84
Chance Thunderstorms
- 61
- 80
Chance Thunderstorms
- 59
- 75
Chance Thunderstorms
- 60
- 76
Chance Thunderstorms
- 59
- 77
Chance Rain Showers
- 54
- 77
Chance Rain Showers
Today 16 Sep Mower
Mostly sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. South Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 16 Sep Mower
Partly cloudy. Lows in the mid 60s. Light Winds.
Johnsburg Temperature Statistics
September Temperature
Austin Municipal (13.7 miles)
Lowest 4 September, 2025
42.8 °FAverage September
62.6 °FHighest 13 September, 2025
91.4 °F
Climate (2020–Present)
Austin Municipal (13.7 miles)
Average Low 2020–2025
38.4 °FAverage 2020–2025
47.8 °FAverage High 2020–2025
57.2 °F