Olathe Weather Forecast

    • 54
    • 88

    Increasing Clouds

    • 54
    • 87

    Decreasing Clouds

    • 59
    • 88

    Chance Rain Showers

    • 56
    • 85

    Chance Thunderstorms

    • 56
    • 87

    Partly Sunny

    • 58
    • 88

    Chance Rain Showers

    • 57
    • 85

    Chance Thunderstorms

Today 4 Sep Central Gunnison and Uncompahgre River Basin

Sunny with a slight chance of Showers and Thunderstorms. Highs in the 80s. Southwest Winds 10 to 15 Mph with Gusts up to 20 Mph. Chance of rain 10 percent.

Tonight 4 Sep Central Gunnison and Uncompahgre River Basin

Mostly clear. Lows in the 50s. Southeast Winds 10 to 15 Mph.

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  • Temperature Real-Time

Olathe Temperature Statistics

September Temperature

Montrose, Montrose Regional Airport (8.1 miles)

  • Lowest 1 September, 2026

    52.6 °F

  • Average September

    70.4 °F

  • Highest 1 September, 2026

    85.6 °F

Climate (2021–2026)

Montrose, Montrose Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    39 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    66.1 °F
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