Lake Bloomington Weather Forecast

    • 65
    • 84

    Becoming Sunny

    • 73
    • 87

    Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 68
    • 86

    Rain Showers Likely

    • 64
    • 82

    Chance Thunderstorms

    • 60
    • 78

    Slight Chance Thunderstorms

Today 8 Aug McLean

Mostly sunny. Highs in the lower 80s. Northwest Winds 5 to 10 Mph.

Tonight 8 Aug McLean

Partly cloudy. Near steady temperature around 70. Southwest Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Bloomington Temperature Statistics

August Temperature

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (11.2 miles)

  • Lowest 3 August, 2026

    63 °F

  • Average August

    71.9 °F

  • Highest 4 August, 2026

    84.9 °F

Climate (2021–2026)

Bloomington/Normal, Central Illinois Regional Airport at Bloomington-Normal (11.2 miles)

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

  • Average Low 2021–2026

    43.8 °F

  • Average 2021–2026

    53.2 °F

  • Average High 2021–2026

    62.7 °F
Get WillyWeather+ to remove ads