Grand Lake Weather Forecast

    • 76
    • 101

    Hot

    • 75
    • 100

    Hot

    • 76
    • 100

    Hot

    • 75
    • 101

    Hot

    • 75
    • 100

    Hot

    • 74
    • 99

    Hot

Today 5 Sep Stephens

Sunny, hot with Highs around 101. South Winds around 5 Mph, becoming southeast this afternoon.

Tonight 5 Sep Stephens

Clear. Lows in the mid 70s. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grand Lake Temperature Statistics

September Temperature

Stephens County Airport (3.1 miles)

  • Lowest 1 September, 2026

    75.4 °F

  • Average September

    89.9 °F

  • Highest 2 September, 2026

    102.6 °F

Climate (2021–2026)

Stephens County Airport (3.1 miles)

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  • Average Low 2021–2026

    57 °F

  • Average 2021–2026

    68.9 °F

  • Average High 2021–2026

    81.2 °F
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