Grandfalls Weather Forecast

    • 77
    • 102

    Isolated Thunderstorms

    • 76
    • 105

    Hot

    • 74
    • 100

    Hot

    • 74
    • 99

    Hot

    • 74
    • 99

    Slight Chance Thunderstorms

    • 73
    • 97

    Hot

Today 11 Sep Ward

Sunny. Isolated Showers and Thunderstorms this afternoon. Hot with Highs around 102. South Winds 5 to 10 Mph.

Tonight 11 Sep Ward

Mostly clear. Lows in the mid 70s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grandfalls Temperature Statistics

September Temperature

Fort Stockton, Fort Stockton-Pecos County Airport (29.2 miles)

  • Lowest 7 September, 2026

    72.6 °F

  • Average September

    86.9 °F

  • Highest 3 September, 2026

    101.6 °F

Climate (2021–2026)

Fort Stockton, Fort Stockton-Pecos County Airport (29.2 miles)

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  • Average Low 2021–2026

    57.2 °F

  • Average 2021–2026

    69.8 °F

  • Average High 2021–2026

    82.7 °F
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