Grandview Weather Forecast

    • 74
    • 95

    Slight Chance Thunderstorms

    • 75
    • 94

    Chance Rain Showers

    • 71
    • 93

    Chance Thunderstorms

    • 66
    • 84

    Partly Sunny

    • 65
    • 83

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

Today 17 Aug Sangamon

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Southwest Winds around 5 Mph, becoming east this afternoon. Chance of rain 20 percent. Heat index Values up to 107 this afternoon.

Tonight 17 Aug Sangamon

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Humid with Lows in the mid 70s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grandview Temperature Statistics

August Temperature

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

  • Lowest 3 August, 2025

    55.7 °F

  • Average August

    75.8 °F

  • Highest 15 August, 2025

    91.9 °F

Climate (2020–Present)

Springfield - Abraham Lincoln Capital Airport (3.7 miles)

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

  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.9 °F
Get WillyWeather+ to remove ads