Copan Lake Weather Forecast

    • 75
    • 98

    Slight Chance Thunderstorms

    • 74
    • 96

    Chance Thunderstorms

    • 72
    • 93

    Rain Showers Likely

    • 72
    • 89

    Slight Chance Thunderstorms

    • 72
    • 90

    Mostly Sunny

    • 73
    • 91

    Mostly Sunny

Today 9 Jul Washington

Mostly sunny with isolated Showers and Thunderstorms. Highs in the upper 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values up to 108.

Tonight 9 Jul Washington

Mostly clear in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copan Lake Temperature Statistics

July Temperature

Bartlesville, Bartlesville Municipal Airport (11.8 miles)

  • Lowest 4 July, 2026

    65.6 °F

  • Average July

    82.6 °F

  • Highest 2 July, 2026

    94.6 °F

Climate (2021–2026)

Bartlesville, Bartlesville Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    60.9 °F

  • Average High 2021–2026

    73.7 °F
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