Preston Weather Forecast

    • 61
    • 69

    Rain Showers

    • 60
    • 71

    Rain Showers Likely

    • 62
    • 68

    Rain Showers Likely

    • 66
    • 79

    Partly Sunny

    • 48
    • 75

    Partly Sunny

    • 49
    • 64

    Partly Sunny

Today 26 Mar Grayson

Cloudy this Morning, then becoming partly sunny. A chance of Thunderstorms. Showers likely this Morning, then a chance of Showers this afternoon. Much cooler with Highs in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 26 Mar Grayson

Mostly cloudy. Lows around 60. Southeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Preston Temperature Statistics

March Temperature

Sherman/Denison, Grayson County Airport (11.2 miles)

  • Lowest 6 March, 2025

    34 °F

  • Average March

    57.8 °F

  • Highest 13 March, 2025

    82.4 °F

Climate (2020–Present)

Sherman/Denison, Grayson County Airport (11.2 miles)

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  • Average Low 2020–2025

    55.1 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    76.1 °F
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