Grandview Weather Forecast

    • 70
    • 92

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

    • 70
    • 91

    Partly Sunny

    • 71
    • 91

    Chance Rain Showers

    • 70
    • 91

    Chance Thunderstorms

    • 64
    • 86

    Chance Rain Showers

Today 18 Sep Johnson

Mostly sunny. A slight chance of Showers and perhaps an isolated thunderstorm this afternoon. Highs in the lower 90s. Southwest Winds around 5 Mph. Chance of rain 20 percent.

Tonight 18 Sep Johnson

Partly cloudy. A 20 percent chance of Showers and Thunderstorms after midnight. Lows around 70. Southeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Grandview Temperature Statistics

September Temperature

Hillsboro, Hillsboro Municipal Airport (13.7 miles)

  • Lowest 10 September, 2025

    60.4 °F

  • Average September

    78.7 °F

  • Highest 4 September, 2025

    99 °F

Climate (2020–Present)

Hillsboro, Hillsboro Municipal Airport (13.7 miles)

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

  • Average Low 2020–2025

    57 °F

  • Average 2020–2025

    67.6 °F

  • Average High 2020–2025

    78.8 °F
Get WillyWeather+ to remove ads