Grandfalls Weather Forecast

    • 67
    • 89

    Rain Showers

    • 67
    • 85

    Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 67
    • 92

    Mostly Sunny

    • 68
    • 95

    Mostly Sunny

    • 67
    • 94

    Sunny

    • 67
    • 94

    Sunny

Today 5 Sep Ward

Cloudy with a chance of Showers with a slight chance of Thunderstorms. Cooler. Near steady temperature in the mid 80s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

Tonight 5 Sep Ward

Cloudy. A slight chance of Showers and Thunderstorms this Evening, then a chance of Showers after midnight. Lows in the mid 60s. Northwest Winds around 5 Mph, becoming northeast after midnight. Chance of rain 30 percent.

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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 3 September, 2025

    68 °F

  • Average September

    80.5 °F

  • Highest 2 September, 2025

    93 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    56 °F

  • Average 2020–2025

    68.5 °F

  • Average High 2020–2025

    81.4 °F
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