Sherman Weather Forecast

    • 74
    • 90

    Mostly Sunny

    • 74
    • 90

    Chance Thunderstorms

    • 72
    • 88

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 70
    • 87

    Chance Thunderstorms

    • 69
    • 86

    Chance Thunderstorms

Today 8 Aug Sangamon

Sunny. Near steady temperature around 90. South Winds 10 to 15 Mph. Heat index Values up to 102.

Tonight 8 Aug Sangamon

Mostly clear. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph.

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Sherman Temperature Statistics

August Temperature

Springfield - Abraham Lincoln Capital Airport (5 miles)

  • Lowest 3 August, 2025

    55 °F

  • Average August

    70.2 °F

  • Highest 6 August, 2025

    86 °F

Climate (2020–Present)

Springfield - Abraham Lincoln Capital Airport (5 miles)

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  • Average Low 2020–2025

    44.8 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    64.9 °F
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