Grain Valley Weather Forecast

    • 23
    • 35

    Increasing Clouds

    • 33
    • 62

    Mostly Cloudy

    • 35
    • 56

    Mostly Cloudy

    • 36
    • 54

    Mostly Sunny

    • 41
    • 68

    Mostly Sunny

    • 31
    • 62

    Partly Sunny

Today 23 Feb Jackson

Sunny. Highs in the mid 30s. North Winds around 5 Mph, becoming southwest this afternoon.

Tonight 23 Feb Jackson

Mostly clear in the Evening, then becoming partly cloudy. Not as cool with Lows in the mid 20s. Temperature rising into the lower 30s after midnight. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grain Valley Temperature Statistics

February Temperature

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

  • Lowest 1 February, 2026

    12.7 °F

  • Average February

    43.8 °F

  • Highest 9 February, 2026

    74.6 °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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