Birch Lake Weather Forecast

    • 28
    • 59

    Breezy

    • 47
    • 55

    Partly Sunny

    • 35
    • 64

    Partly Sunny

    • 42
    • 55

    Mostly Cloudy

    • 50
    • 63

    Partly Sunny

    • 53
    • 72

    Partly Sunny

Today 18 Dec Osage

Sunny, breezy with Highs in the upper 50s. Northwest Winds 15 to 25 Mph with Gusts up to 40 Mph.

Tonight 18 Dec Osage

Mostly clear. Much Colder with Lows in the upper 20s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph, Diminishing to around 5 Mph after midnight.

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Birch Lake Temperature Statistics

December Temperature

Bartlesville, Bartlesville Municipal Airport (18.6 miles)

  • Lowest 14 December, 2025

    14 °F

  • Average December

    37.4 °F

  • Highest 11 December, 2025

    66.9 °F

Climate (2020–Present)

Bartlesville, Bartlesville Municipal Airport (18.6 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    72.8 °F
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