Forest Park Weather Forecast

    • 43
    • 63

    Chance Rain Showers

    • 49
    • 72

    Partly Sunny

    • 54
    • 73

    Mostly Cloudy

    • 60
    • 70

    Mostly Cloudy

    • 66
    • 78

    Mostly Cloudy

    • 66
    • 80

    Mostly Cloudy

Today 18 Apr Grayson

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms this Morning, then partly sunny this afternoon. Cooler with Highs in the lower 60s. North Winds 15 to 20 Mph with Gusts up to 30 Mph, Diminishing to 10 to 15 Mph this afternoon. Chance of rain 30 percent.

Tonight 18 Apr Grayson

Mostly clear. Lows in the lower 40s. North Winds 10 to 15 Mph, becoming northeast around 5 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Forest Park Temperature Statistics

April Temperature

Sherman/Denison, Grayson County Airport (7.5 miles)

  • Lowest 5 April, 2026

    42.6 °F

  • Average April

    67 °F

  • Highest 13 April, 2026

    84.2 °F

Climate (2021–Present)

Sherman/Denison, Grayson County Airport (7.5 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    76.8 °F
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