Preston Weather Forecast

    • 54
    • 83

    Severe Tstms

    • 54
    • 68

    Rain Showers

    • 50
    • 58

    Rain Showers

    • 48
    • 61

    Partly Sunny

    • 58
    • 68

    Mostly Sunny

    • 62
    • 74

    Chance Thunderstorms

    • 64
    • 72

    Slight Chance Thunderstorms

Today 18 Apr Grayson

Mostly sunny with a 30 percent chance of Showers and Thunderstorms. Some Thunderstorms may be severe. Highs in the mid 80s. Temperatures falling into the lower 80s late. West Winds 10 to 15 Mph.

Tonight 18 Apr Grayson

Partly cloudy. Much cooler with Lows in the lower 50s. North Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Preston Temperature Statistics

April Temperature

Sherman/Denison, Grayson County Airport (11.2 miles)

  • Lowest 4 April, 2024

    40.3 °F

  • Average April

    63.7 °F

  • Highest 16 April, 2024

    84.2 °F

Climate (2019–Present)

Sherman/Denison, Grayson County Airport (11.2 miles)

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  • Average Low 2019–2024

    55.2 °F

  • Average 2019–2024

    63.8 °F

  • Average High 2019–2024

    75.9 °F
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