Olathe Weather Forecast

    • 41
    • 65

    Chance Rain Showers

    • 39
    • 64

    Mostly Sunny

    • 45
    • 64

    Mostly Sunny

    • 56
    • 79

    Slight Chance Thunderstorms

    • 56
    • 81

    Chance Thunderstorms

    • 47
    • 69

    Chance Rain Showers

    • 43
    • 63

    Slight Chance Thunderstorms

Today 30 Apr Johnson

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 60s. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 30 Apr Johnson

Mostly cloudy early this Evening, then clearing. Lows in the upper 30s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Olathe Temperature Statistics

April Temperature

Olathe, Johnson County Executive Airport (4.3 miles)

  • Lowest 19 April, 2026

    37 °F

  • Average April

    61.4 °F

  • Highest 14 April, 2026

    84.7 °F

Climate (2021–Present)

Olathe, Johnson County Executive Airport (4.3 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    67.9 °F
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