Keystone Lake Weather Forecast

    • 71
    • 87

    Slight Chance Thunderstorms

    • 75
    • 93

    Partly Sunny

    • 70
    • 88

    Chance Thunderstorms

    • 74
    • 91

    Mostly Sunny

    • 76
    • 94

    Sunny

    • 76
    • 92

    Mostly Sunny

Today 16 Jun Osage

Sunny. Highs in the mid 80s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph this afternoon.

Tonight 16 Jun Osage

Mostly clear. A slight chance of Showers after midnight. Lows in the upper 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Keystone Lake Temperature Statistics

June Temperature

Tulsa - Jones Jr. Airport (23 miles)

  • Lowest 2 June, 2025

    63.6 °F

  • Average June

    75.7 °F

  • Highest 8 June, 2025

    94.6 °F

Climate (2020–Present)

Tulsa - Jones Jr. Airport (23 miles)

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  • Average Low 2020–2025

    51.2 °F

  • Average 2020–2025

    62.3 °F

  • Average High 2020–2025

    73.8 °F
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