Cedar Mills Airport Weather Forecast

    • 72
    • 89

    Rain Showers

    • 69
    • 80

    Rain Showers

    • 66
    • 78

    Rain Showers

    • 65
    • 76

    Chance Rain Showers

    • 64
    • 80

    Slight Chance Rain Showers

    • 61
    • 81

    Mostly Sunny

    • 61
    • 79

    Mostly Sunny

Today 30 Sep Grayson

Mostly sunny. Highs in the lower 80s.

Tonight 30 Sep Grayson

Scattered Thunderstorms. Showers. Heavy rainfall possible. Humid with Lows in the lower 70s. South Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cedar Mills Airport Temperature Statistics

September Temperature

Sherman/Denison, Grayson County Airport (11.2 miles)

  • Lowest 25 September, 2026

    64.4 °F

  • Average September

    83.5 °F

  • Highest 12 September, 2026

    102.2 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (11.2 miles)

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  • Average Low 2021–2026

    56.1 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    77.3 °F
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