Jackson SPB Weather Forecast

    • 65
    • 81

    Increasing Clouds

    • 71
    • 87

    Partly Sunny

    • 74
    • 93

    Mostly Sunny

    • 71
    • 93

    Thunderstorms Likely

    • 68
    • 87

    Chance Thunderstorms

    • 69
    • 87

    Slight Chance Thunderstorms

    • 70
    • 90

    Partly Sunny

Today 21 Jul McHenry

Partly cloudy late in the Morning, then becoming mostly sunny. Hazy late in the morning. Highs in the lower 80s. East Winds around 10 Mph.

Tonight 21 Jul McHenry

Increasing Clouds. Lows in the mid 60s. East Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Jackson SPB Temperature Statistics

July Temperature

Chicago / West Chicago, Dupage Airport (23.6 miles)

  • Lowest 18 July, 2025

    56.6 °F

  • Average July

    76.6 °F

  • Highest 5 July, 2025

    93.7 °F

Climate (2020–Present)

Chicago / West Chicago, Dupage Airport (23.6 miles)

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

  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.7 °F

  • Average High 2020–2025

    61.2 °F
Get WillyWeather+ to remove ads