Grain Valley Weather Forecast

    • 54
    • 74

    Mostly Sunny

    • 55
    • 78

    Mostly Sunny

    • 62
    • 76

    Partly Sunny

    • 52
    • 77

    Rain Showers

    • 46
    • 67

    Chance Thunderstorms

    • 45
    • 67

    Chance Rain Showers

Today 20 Apr Jackson

Sunny. Highs in the mid 70s. Southeast Winds 5 to 10 Mph, becoming south 10 to 15 Mph in the afternoon.

Tonight 20 Apr Jackson

Mostly clear. Not as cool with Lows in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grain Valley Temperature Statistics

April Temperature

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

  • Lowest 5 April, 2026

    37.7 °F

  • Average April

    61.7 °F

  • Highest 14 April, 2026

    84.7 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    67.8 °F
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