Grain Valley Weather Forecast

    • 51
    • 67

    Chance Rain Showers

    • 60
    • 79

    Chance Rain Showers

    • 59
    • 76

    Chance Rain Showers

    • 49
    • 79

    Chance Rain Showers

    • 36
    • 60

    Chance Rain Showers

    • 35
    • 53

    Partly Sunny

Today 26 Mar Jackson

Sunny. Highs in the upper 60s. Northeast Winds around 5 Mph, becoming southeast in the afternoon.

Tonight 26 Mar Jackson

Mostly clear in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the lower 50s. Southeast Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grain Valley Temperature Statistics

March Temperature

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

  • Lowest 6 March, 2025

    25.8 °F

  • Average March

    52.2 °F

  • Highest 13 March, 2025

    81.6 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    66.9 °F
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