Copan Lake Weather Forecast

    • 39
    • 67

    Sunny

    • 41
    • 72

    Mostly Sunny

    • 48
    • 72

    Partly Sunny

    • 53
    • 74

    Partly Sunny

    • 57
    • 77

    Chance Thunderstorms

    • 56
    • 78

    Chance Thunderstorms

Today 5 Apr Washington

Sunny. Highs in the upper 60s. North Winds 5 to 10 Mph.

Tonight 5 Apr Washington

Mostly clear. Lows in the upper 30s. East Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copan Lake Temperature Statistics

April Temperature

Bartlesville, Bartlesville Municipal Airport (11.8 miles)

  • Lowest 3 April, 2026

    54 °F

  • Average April

    70.5 °F

  • Highest 2 April, 2026

    82.7 °F

Climate (2021–Present)

Bartlesville, Bartlesville Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    73.5 °F
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