Olathe Weather Forecast

    • 11
    • 25

    Mostly Cloudy

    • 0
    • 20

    Mostly Cloudy

    • 6
    • 19

    Partly Sunny

    • 18
    • 30

    Mostly Cloudy

    • 26
    • 39

    Mostly Cloudy

    • 26
    • 42

    Mostly Cloudy

Today 29 Jan Johnson

Mostly cloudy. A chance of Flurries in the afternoon. Cooler with Highs in the mid 20s. Northeast Winds 5 to 10 Mph.

Tonight 29 Jan Johnson

Mostly cloudy. Cold with Lows around 16. East Winds 5 to 10 Mph.

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Olathe Temperature Statistics

January Temperature

Olathe, Johnson County Executive Airport (4.3 miles)

  • Lowest 26 January, 2026

    -0.9 °F

  • Average January

    32.3 °F

  • Highest 7 January, 2026

    67.6 °F

Climate (2021–Present)

Olathe, Johnson County Executive Airport (4.3 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    57.4 °F

  • Average High 2021–2026

    67.3 °F
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