Grain Valley Weather Forecast

    • 72
    • 90

    Mostly Sunny

    • 72
    • 89

    Chance Thunderstorms

    • 75
    • 94

    Mostly Sunny

    • 76
    • 97

    Hot

    • 78
    • 98

    Hot

    • 76
    • 101

    Slight Chance Thunderstorms

Today 15 Jul Jackson

Sunny. Highs around 90. Northeast Winds around 5 Mph.

Tonight 15 Jul Jackson

Mostly clear. Lows in the lower 70s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Grain Valley Temperature Statistics

July Temperature

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

  • Lowest 5 July, 2026

    65.6 °F

  • Average July

    80.2 °F

  • Highest 2 July, 2026

    93.7 °F

Climate (2021–2026)

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

    58.1 °F

  • Average High 2021–2026

    68 °F
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