Keystone Lake Weather Forecast

    • 70
    • 82

    Chance Rain Showers

    • 75
    • 85

    Chance Rain Showers

    • 72
    • 91

    Rain Showers

    • 68
    • 82

    Chance Thunderstorms

    • 70
    • 83

    Chance Rain Showers

    • 70
    • 84

    Chance Thunderstorms

Today 19 Jun Southeast Osage

Mostly cloudy. A slight chance of Showers and Thunderstorms in the morning. Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 19 Jun Southeast Osage

Partly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows around 70. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Lake Temperature Statistics

June Temperature

Tulsa - Jones Jr. Airport (23 miles)

  • Lowest 16 June, 2026

    62.1 °F

  • Average June

    80.1 °F

  • Highest 1 June, 2026

    95.6 °F

Climate (2021–2026)

Tulsa - Jones Jr. Airport (23 miles)

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  • Average Low 2021–2026

    51.7 °F

  • Average 2021–2026

    63.2 °F

  • Average High 2021–2026

    74.8 °F
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