Hartshorne Lake Weather Forecast

    • 79
    • 98

    Hot

    • 80
    • 99

    Hot

    • 81
    • 99

    Hot

    • 81
    • 99

    Hot

    • 79
    • 100

    Hot

    • 79
    • 100

    Hot

    • 79
    • 102

    Hot

Today 10 Aug Pittsburg

Sunny. Highs in the upper 90s. South Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 10 Aug Pittsburg

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hartshorne Lake Temperature Statistics

August Temperature

McAlester, McAlester Regional Airport (13 miles)

  • Lowest 2 August, 2026

    64.7 °F

  • Average August

    86 °F

  • Highest 4 August, 2026

    103.6 °F

Climate (2021–2026)

McAlester, McAlester Regional Airport (13 miles)

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  • Average Low 2021–2026

    53.1 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    76.1 °F
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