Grain Valley Weather Forecast

    • 46
    • 66

    Areas Fog

    • 49
    • 63

    Mostly Cloudy

    • 46
    • 65

    Partly Sunny

    • 33
    • 69

    Mostly Cloudy

    • 15
    • 42

    Mostly Sunny

    • 16
    • 29

    Mostly Sunny

Today 24 Dec Jackson

Widespread dense fog this morning. Mostly cloudy. Highs in the lower 60s. South Winds 5 to 10 Mph, becoming southwest this afternoon.

Tonight 24 Dec Jackson

Partly cloudy in the Evening, then becoming mostly cloudy. Patchy fog. Lows in the mid 40s. Southwest Winds around 5 Mph, becoming northwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grain Valley Temperature Statistics

December Temperature

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

  • Lowest 14 December, 2025

    6.1 °F

  • Average December

    32.5 °F

  • Highest 17 December, 2025

    55.9 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    48.1 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    67.2 °F
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