Johnsburg Weather Forecast

    • 49
    • 61

    Rain Showers

    • 46
    • 58

    Rain Showers

    • 39
    • 60

    Chance Rain Showers

    • 40
    • 58

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

    • 49
    • 69

    Mostly Sunny

    • 50
    • 74

    Partly Sunny

Today 30 Apr McHenry

Mostly cloudy. Isolated Showers early to mid afternoon. Scattered Showers late in the afternoon. Highs in the mid 60s. Southeast Winds around 10 Mph. Chance of precipitation 40 percent.

Tonight 30 Apr McHenry

Scattered Showers early in the Evening, then Showers in the late evening and overnight. A slight chance of Thunderstorms after midnight. Lows in the upper 40s. East Winds 5 to 10 Mph. Chance of precipitation near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnsburg Temperature Statistics

April Temperature

Chicago/Waukegan Regional Airport (19.3 miles)

  • Lowest 8 April, 2025

    23.8 °F

  • Average April

    47 °F

  • Highest 28 April, 2025

    84 °F

Climate (2020–Present)

Chicago/Waukegan Regional Airport (19.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    51 °F

  • Average High 2020–2025

    59.4 °F
Get WillyWeather+ to remove ads