Belton Weather Forecast

    • 68
    • 87

    Mostly Sunny

    • 72
    • 91

    Mostly Sunny

    • 67
    • 87

    Rain Showers Likely

    • 67
    • 84

    Chance Thunderstorms

    • 69
    • 87

    Partly Sunny

    • 72
    • 89

    Mostly Sunny

    • 74
    • 92

    Mostly Sunny

Today 3 Aug Cass

Sunny. Near steady temperature in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 3 Aug Cass

Clear. Lows in the upper 60s. Southeast Winds around 5 Mph.

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Belton Temperature Statistics

August Temperature

Olathe, Johnson County Executive Airport (11.2 miles)

  • Lowest 1 August, 2026

    66 °F

  • Average August

    73.6 °F

  • Highest 1 August, 2026

    82 °F

Climate (2021–2026)

Olathe, Johnson County Executive Airport (11.2 miles)

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  • Average Low 2021–2026

    48 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68 °F
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