Owasso Weather Forecast

    • 65
    • 89

    Rain Showers Likely

    • 68
    • 86

    Chance Rain Showers

    • 68
    • 89

    Rain Showers Likely

    • 67
    • 86

    Chance Thunderstorms

    • 64
    • 84

    Chance Thunderstorms

    • 62
    • 82

    Slight Chance Thunderstorms

Today 18 Sep Tulsa

Partly sunny. A slight chance of Showers and Thunderstorms in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the upper 80s. Northwest Winds around 5 Mph. Chance of rain 40 percent.

Tonight 18 Sep Tulsa

Partly cloudy. A slight chance of Showers and Thunderstorms. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

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Owasso Temperature Statistics

September Temperature

Tulsa, Tulsa International Airport (5 miles)

  • Lowest 7 September, 2025

    55 °F

  • Average September

    74.9 °F

  • Highest 12 September, 2025

    93.9 °F

Climate (2020–Present)

Tulsa, Tulsa International Airport (5 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    73.4 °F
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