Forest Park Weather Forecast

    • 22
    • 44

    Gradual Clearing

    • 30
    • 56

    Mostly Sunny

    • 25
    • 46

    Partly Sunny

    • 43
    • 52

    Partly Sunny

    • 37
    • 59

    Mostly Cloudy

    • 35
    • 54

    Partly Sunny

Today 17 Jan Grayson

Mostly cloudy. A slight chance of Sprinkles and Flurries this morning. Cooler with Highs in the mid 40s. Northwest Winds 5 to 10 Mph.

Tonight 17 Jan Grayson

Mostly clear. Colder with Lows around 19. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Forest Park Temperature Statistics

January Temperature

Sherman/Denison, Grayson County Airport (7.5 miles)

  • Lowest 15 January, 2026

    23.4 °F

  • Average January

    50.2 °F

  • Highest 7 January, 2026

    77 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (7.5 miles)

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  • Average Low 2021–2026

    55.5 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    76.4 °F
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