Grain Valley Weather Forecast

    • 44
    • 56

    Rain Showers

    • 36
    • 55

    Chance Rain Showers

    • 37
    • 56

    Mostly Sunny

    • 34
    • 58

    Partly Sunny

    • 35
    • 53

    Partly Sunny

    • 43
    • 62

    Mostly Sunny

Today 28 Oct Jackson

Showers. Near steady temperature in the lower 50s. North Winds around 5 Mph, increasing to northwest 15 to 20 Mph with Gusts up to 35 Mph this afternoon. Chance of rain near 100 percent.

Tonight 28 Oct Jackson

Showers, breezy with Lows in the mid 40s. Northwest Winds 15 to 25 Mph with Gusts up to 45 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grain Valley Temperature Statistics

October Temperature

Lee's Summit, Lee's Summit Municipal Airport (9.9 miles)

  • Lowest 22 October, 2025

    42.1 °F

  • Average October

    66.1 °F

  • Highest 3 October, 2025

    88 °F

Climate (2020–Present)

Lee's Summit, Lee's Summit Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    48.2 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    67.3 °F
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