Keystone Lake Weather Forecast

    • 72
    • 95

    Sunny

    • 77
    • 99

    Hot

    • 76
    • 100

    Hot

    • 73
    • 96

    Rain Showers Likely

    • 74
    • 92

    Slight Chance Thunderstorms

    • 75
    • 94

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

Today 3 Aug Southeast Osage

Sunny. Highs in the mid 90s. Southeast Winds 5 to 10 Mph.

Tonight 3 Aug Southeast Osage

Clear. Lows in the lower 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Lake Temperature Statistics

August Temperature

Tulsa - Jones Jr. Airport (23 miles)

  • Lowest 1 August, 2026

    72 °F

  • Average August

    80.8 °F

  • Highest 1 August, 2026

    90 °F

Climate (2021–2026)

Tulsa - Jones Jr. Airport (23 miles)

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  • Average Low 2021–2026

    51.8 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    74.9 °F
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