Harrison Park Weather Forecast

    • 71
    • 88

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 74
    • 92

    Slight Chance Thunderstorms

    • 75
    • 95

    Mostly Sunny

    • 70
    • 92

    Partly Sunny

    • 65
    • 84

    Partly Sunny

Today 12 Aug Sangamon

Partly sunny with a chance of Thunderstorms. A chance of Showers. Highs in the upper 80s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southeast this afternoon. Chance of rain 50 percent. Heat index Values up to 102.

Tonight 12 Aug Sangamon

Mostly cloudy. A slight chance of Showers and Thunderstorms in the Evening, then a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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Harrison Park Temperature Statistics

August Temperature

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

  • Lowest 3 August, 2026

    60.7 °F

  • Average August

    75.4 °F

  • Highest 8 August, 2026

    89.7 °F

Climate (2021–2026)

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.6 °F
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