Ottawa Weather Forecast

    • 54
    • 77

    Decreasing Clouds

    • 58
    • 80

    Mostly Cloudy

    • 63
    • 81

    Rain Showers Likely

    • 63
    • 83

    Chance Rain Showers

    • 65
    • 86

    Mostly Sunny

    • 66
    • 87

    Rain Showers Likely

Today 23 Sep Franklin

Partly sunny this Morning, then clearing. Highs in the upper 70s. East Winds 5 to 10 Mph.

Tonight 23 Sep Franklin

Partly cloudy. Lows in the mid 50s. East Winds around 5 Mph.

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  • Temperature Real-Time

Ottawa Temperature Statistics

September Temperature

Olathe, New Century Aircenter (24.9 miles)

  • Lowest 11 September, 2026

    62.7 °F

  • Average September

    81.5 °F

  • Highest 8 September, 2026

    102.7 °F

Climate (2021–2026)

Olathe, New Century Aircenter (24.9 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    68.8 °F
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