Arrowhead State Park Weather Forecast

    • 46
    • 59

    Increasing Clouds

    • 58
    • 65

    Partly Sunny

    • 63
    • 76

    Partly Sunny

    • 64
    • 78

    Mostly Cloudy

    • 62
    • 77

    Mostly Sunny

    • 56
    • 77

    Partly Sunny

Today 21 Dec Pittsburg

Sunny. Highs in the lower 60s. East Winds 5 to 10 Mph.

Tonight 21 Dec Pittsburg

Mostly cloudy. Lows in the mid 40s. Southeast Winds around 5 Mph.

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Arrowhead State Park Temperature Statistics

December Temperature

McAlester, McAlester Regional Airport (20.5 miles)

  • Lowest 15 December, 2025

    19 °F

  • Average December

    42.6 °F

  • Highest 11 December, 2025

    64.9 °F

Climate (2020–Present)

McAlester, McAlester Regional Airport (20.5 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    63.7 °F

  • Average High 2020–2025

    75.1 °F
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