Guymon Lake Weather Forecast

    • 76
    • 98

    Hot

    • 74
    • 98

    Hot

    • 73
    • 98

    Hot

    • 73
    • 98

    Hot

    • 73
    • 98

    Hot

    • 70
    • 95

    Partly Sunny

Today 15 Sep Shelby

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

Tonight 15 Sep Shelby

Mostly clear. Lows in the mid 70s. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

Guymon Lake Temperature Statistics

September Temperature

Olive Branch, Olive Branch Airport (13.7 miles)

  • Lowest 7 September, 2026

    71.6 °F

  • Average September

    82.1 °F

  • Highest 6 September, 2026

    102.2 °F

Climate (2021–2026)

Olive Branch, Olive Branch Airport (13.7 miles)

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  • Average Low 2021–2026

    54 °F

  • Average 2021–2026

    61.3 °F

  • Average High 2021–2026

    73.6 °F
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