Forest Park Weather Forecast

    • 80
    • 99

    Hot

    • 80
    • 101

    Hot

    • 80
    • 102

    Hot

    • 80
    • 103

    Hot

    • 81
    • 103

    Hot

    • 81
    • 102

    Hot

Today 25 Jul Grayson

Mostly sunny. Hot with Highs in the upper 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 109 in the afternoon.

Tonight 25 Jul Grayson

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Forest Park Temperature Statistics

July Temperature

Sherman/Denison, Grayson County Airport (7.5 miles)

  • Lowest 5 July, 2026

    68 °F

  • Average July

    81.9 °F

  • Highest 21 July, 2026

    102.2 °F

Climate (2021–2026)

Sherman/Denison, Grayson County Airport (7.5 miles)

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  • Average Low 2021–2026

    55.9 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    77 °F
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