Copan Lake Weather Forecast

    • 56
    • 70

    Rain Showers

    • 54
    • 77

    Chance Thunderstorms

    • 46
    • 72

    Chance Rain Showers

    • 48
    • 72

    Mostly Sunny

    • 49
    • 73

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 56
    • 77

    Chance Rain Showers

Today 30 Apr Washington

Showers likely with a chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Highs in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 30 Apr Washington

Mostly cloudy with a slight chance of Showers and Thunderstorms. Lows in the upper 50s. Southeast Winds around 5 Mph, becoming southwest. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copan Lake Temperature Statistics

April Temperature

Bartlesville, Bartlesville Municipal Airport (11.8 miles)

  • Lowest 7 April, 2025

    27.8 °F

  • Average April

    60.3 °F

  • Highest 13 April, 2025

    92.6 °F

Climate (2020–Present)

Bartlesville, Bartlesville Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    47.2 °F

  • Average 2020–2025

    59.9 °F

  • Average High 2020–2025

    72.5 °F
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