Owasso Weather Forecast

    • 67
    • 87

    Rain Showers

    • 57
    • 73

    Rain Showers Likely

    • 59
    • 71

    Chance Thunderstorms

    • 61
    • 75

    Rain Showers Likely

    • 61
    • 78

    Slight Chance Thunderstorms

    • 63
    • 81

    Slight Chance Thunderstorms

Today 18 May Tulsa

Mostly cloudy this Morning, then becoming partly sunny. A slight chance of Showers and Thunderstorms. Breezy with Highs in the upper 80s. South Winds 20 to 25 Mph with Gusts up to 40 Mph. Chance of rain 20 percent.

Tonight 18 May Tulsa

Partly cloudy in the Evening, then mostly cloudy with Showers with Thunderstorms likely after midnight. Breezy with Lows in the upper 60s. South Winds 15 to 25 Mph. Gusts up to 40 Mph in the evening. Chance of rain 80 percent.

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Owasso Temperature Statistics

May Temperature

Tulsa, Tulsa International Airport (5 miles)

  • Lowest 7 May, 2026

    42.7 °F

  • Average May

    66 °F

  • Highest 3 May, 2026

    85.6 °F

Climate (2021–Present)

Tulsa, Tulsa International Airport (5 miles)

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  • Average Low 2021–2026

    52.5 °F

  • Average 2021–2026

    63.5 °F

  • Average High 2021–2026

    74.4 °F
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