Guymon Lake Weather Forecast

    • 76
    • 92

    Rain Showers Likely

    • 70
    • 86

    Partly Sunny

    • 69
    • 82

    Slight Chance Thunderstorms

    • 69
    • 86

    Slight Chance Rain Showers

    • 71
    • 90

    Slight Chance Rain Showers

    • 74
    • 92

    Mostly Sunny

    • 75
    • 94

    Mostly Sunny

Today 31 Jul Shelby

Partly sunny with a chance of Showers and Thunderstorms. Highs in the lower 90s. Temperature falling into the mid 80s. Southwest Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 107.

Tonight 31 Jul Shelby

Mostly cloudy. A slight chance of Showers and Thunderstorms early. Showers likely with a chance of Thunderstorms after midnight. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Guymon Lake Temperature Statistics

July Temperature

Olive Branch, Olive Branch Airport (13.7 miles)

  • Lowest 2 July, 2026

    71.6 °F

  • Average July

    79.8 °F

  • Highest 1 July, 2026

    96.8 °F

Climate (2021–2026)

Olive Branch, Olive Branch Airport (13.7 miles)

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  • Average Low 2021–2026

    53.9 °F

  • Average 2021–2026

    61.2 °F

  • Average High 2021–2026

    73.4 °F
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