Grain Valley Weather Forecast

    • 56
    • 65

    Rain

    • 40
    • 74

    Rain Showers

    • 36
    • 55

    Partly Sunny

    • 48
    • 66

    Sunny

    • 58
    • 77

    Rain Likely

    • 40
    • 73

    Rain

Today 5 Mar Jackson

Patchy fog late this morning. Mostly cloudy. Much warmer with Highs in the mid 60s. South Winds 5 to 10 Mph.

Tonight 5 Mar Jackson

Mostly cloudy with a chance of Thunderstorms. A chance of rain in the Evening, then rain after midnight. Patchy fog. Not as cool with Lows in the mid 50s. Temperature rising into the lower 60s after midnight. Southeast Winds 10 to 15 Mph. Gusts up to 30 Mph after midnight. Chance of rain 90 percent.

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Grain Valley Temperature Statistics

March Temperature

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

  • Lowest 1 March, 2026

    26.1 °F

  • Average March

    36 °F

  • Highest 3 March, 2026

    43 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    67.6 °F
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