Olathe Weather Forecast

    • 56
    • 77

    Chance Thunderstorms

    • 59
    • 82

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 64
    • 81

    Chance Thunderstorms

    • 65
    • 80

    Rain Showers Likely

    • 64
    • 80

    Rain Showers Likely

    • 62
    • 79

    Chance Thunderstorms

Today 23 May Johnson

Partly sunny. Near steady temperature in the upper 70s. Northwest Winds 5 to 10 Mph.

Tonight 23 May Johnson

Mostly cloudy late this Evening, then clearing. Lows in the mid 50s. Northeast Winds around 5 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Olathe Temperature Statistics

May Temperature

Olathe, Johnson County Executive Airport (4.3 miles)

  • Lowest 1 May, 2026

    38.6 °F

  • Average May

    63.4 °F

  • Highest 16 May, 2026

    87.7 °F

Climate (2021–Present)

Olathe, Johnson County Executive Airport (4.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68 °F
Get WillyWeather+ to remove ads