Cooper Lake Weather Forecast

    • 73
    • 100

    Hot

    • 74
    • 100

    Hot

    • 73
    • 97

    Slight Chance Thunderstorms

    • 71
    • 95

    Partly Sunny

    • 70
    • 94

    Mostly Sunny

    • 70
    • 94

    Partly Sunny

Today 19 Sep Delta

Sunny, hot with Highs around 100. South Winds 5 to 10 Mph.

Tonight 19 Sep Delta

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cooper Lake Temperature Statistics

September Temperature

Sulphur Springs, Sulphur Springs Municipal Airport (10.6 miles)

  • Lowest 4 September, 2026

    73.4 °F

  • Average September

    87.8 °F

  • Highest 7 September, 2026

    102.9 °F

Climate (2021–2026)

Sulphur Springs, Sulphur Springs Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    57.5 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    77.7 °F
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