Ottawa Weather Forecast

    • 62
    • 91

    Becoming Sunny

    • 61
    • 88

    Mostly Sunny

    • 64
    • 88

    Mostly Sunny

    • 71
    • 90

    Mostly Sunny

    • 73
    • 95

    Partly Sunny

    • 70
    • 93

    Chance Rain Showers

Today 26 Aug Franklin

Mostly sunny with a 20 percent chance of Showers. Humid with Highs in the upper 80s. North Winds 5 to 10 Mph.

Tonight 26 Aug Franklin

Mostly clear. Patchy fog. Near steady temperature in the lower 70s. North Winds around 5 Mph.

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Ottawa Temperature Statistics

August Temperature

Olathe, New Century Aircenter (24.9 miles)

  • Lowest 2 August, 2026

    65.6 °F

  • Average August

    79.5 °F

  • Highest 13 August, 2026

    97.6 °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

    57.8 °F

  • Average High 2021–2026

    68.7 °F
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