Diamond J Airport Weather Forecast

    • 71
    • 86

    Mostly Sunny

    • 71
    • 86

    Partly Sunny

    • 73
    • 85

    Partly Sunny

    • 75
    • 82

    Chance Thunderstorms

    • 72
    • 80

    Rain Showers Likely

    • 67
    • 78

    Rain Showers Likely

Today 14 May Grayson

Mostly sunny. Highs in the upper 80s. Southeast Winds 5 to 10 Mph, becoming south 10 to 15 Mph this afternoon.

Tonight 14 May Grayson

Mostly clear in the Evening, then becoming partly cloudy. Lows around 70. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Diamond J Airport Temperature Statistics

May Temperature

Sherman/Denison, Grayson County Airport (6.8 miles)

  • Lowest 2 May, 2026

    44.6 °F

  • Average May

    63.7 °F

  • Highest 9 May, 2026

    81.9 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (6.8 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    64.6 °F

  • Average High 2021–2026

    76.9 °F
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