Harmony South Weather Forecast

    • 15
    • 24

    Becoming Sunny

    • 25
    • 41

    Partly Sunny

    • 19
    • 43

    Mostly Sunny

    • 23
    • 40

    Partly Sunny

    • 11
    • 37

    Mostly Cloudy

    • 5
    • 21

    Chance Snow

Today 19 Jan Johnson

Sunny. Much cooler with Highs in the mid 20s. Northwest Winds 10 to 15 Mph. Wind chill Values as low as 6 below in the morning.

Tonight 19 Jan Johnson

Mostly clear and cold. Near steady temperature around 18. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Harmony South Temperature Statistics

January Temperature

Olathe, Johnson County Executive Airport (1.2 miles)

  • Lowest 15 January, 2026

    17.1 °F

  • Average January

    39.7 °F

  • Highest 7 January, 2026

    66 °F

Climate (2021–Present)

Olathe, Johnson County Executive Airport (1.2 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    67.4 °F
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