Grayson County Airport Weather Forecast

    • 69
    • 96

    Thunderstorms

    • 62
    • 87

    Mostly Sunny

    • 67
    • 89

    Mostly Sunny

    • 70
    • 91

    Mostly Sunny

    • 69
    • 94

    Mostly Sunny

    • 63
    • 92

    Chance Rain Showers

Today 5 Sep Grayson

Mostly sunny. Isolated Thunderstorms late in the afternoon. Highs in the upper 90s. Northwest Winds up to 10 Mph. Chance of Thunderstorms 20 percent.

Tonight 5 Sep Grayson

Mostly cloudy with scattered Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the upper 60s. North Winds up to 5 Mph. Chance of Thunderstorms 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grayson County Airport Temperature Statistics

September Temperature

Glasgow, Glasgow Municipal Airport (30.4 miles)

  • Lowest 1 September, 2026

    68.4 °F

  • Average September

    82.7 °F

  • Highest 3 September, 2026

    99 °F

Climate (2021–2026)

Glasgow, Glasgow Municipal Airport (30.4 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    69 °F
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