Otto Weather Forecast

    • 71
    • 94

    Chance Thunderstorms

    • 65
    • 87

    Partly Sunny

    • 64
    • 84

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 62
    • 87

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

Today 19 Aug Jefferson

Mostly sunny with a chance of Showers and Thunderstorms. Hot. Near steady temperature in the mid 90s. Northwest Winds around 5 Mph. Chance of rain 40 percent. Heat index Values up to 109.

Tonight 19 Aug Jefferson

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Humid with Lows in the lower 70s. North Winds around 5 Mph. Chance of rain 30 percent. Heat index Values up to 104 early in the evening.

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Otto Temperature Statistics

August Temperature

St. Louis, Spirit Of St. Louis Airport (21.1 miles)

  • Lowest 3 August, 2025

    55.7 °F

  • Average August

    78.5 °F

  • Highest 16 August, 2025

    98.7 °F

Climate (2020–Present)

St. Louis, Spirit Of St. Louis Airport (21.1 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    68.1 °F
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