Collinsville Weather Forecast

    • 61
    • 73

    Mostly Cloudy

    • 64
    • 79

    Mostly Cloudy

    • 60
    • 83

    Rain Showers

    • 49
    • 73

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 46
    • 72

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

Today 31 Oct Grayson

Mostly cloudy with a 20 percent chance of rain. Highs in the lower 70s. Southeast Winds around 5 Mph.

Tonight 31 Oct Grayson

Mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Collinsville Temperature Statistics

October Temperature

Gainesville, Gainesville Municipal Airport (17.4 miles)

  • Lowest 17 October, 2026

    40.5 °F

  • Average October

    68.1 °F

  • Highest 13 October, 2026

    89.8 °F

Climate (2021–2026)

Gainesville, Gainesville Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    54.1 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    77.1 °F
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