Purcell Lake Weather Forecast

    • 77
    • 107

    Slight Chance Thunderstorms

    • 74
    • 103

    Hot

    • 75
    • 103

    Hot

    • 77
    • 104

    Hot

    • 78
    • 104

    Hot

    • 77
    • 105

    Hot

Today 19 Aug McClain

Sunny, hot with Highs around 106. Southwest Winds 10 to 15 Mph.

Tonight 19 Aug McClain

Mostly clear. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph, becoming northeast after midnight. Chance of rain 20 percent. Heat index Values up to 106 early in the evening.

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Purcell Lake Temperature Statistics

August Temperature

Norman / Max Westheimer (18 miles)

  • Lowest 3 August, 2026

    66.9 °F

  • Average August

    84 °F

  • Highest 13 August, 2026

    104 °F

Climate (2021–2026)

Norman / Max Westheimer (18 miles)

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  • Average Low 2021–2026

    52.3 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    74.2 °F
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