Tatum Lake Weather Forecast

    • 58
    • 81

    Sunny

    • 58
    • 82

    Sunny

    • 61
    • 83

    Sunny

    • 63
    • 84

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

    • 66
    • 84

    Mostly Sunny

    • 68
    • 84

    Mostly Sunny

Today 5 Oct Collin

Sunny. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.

Tonight 5 Oct Collin

Clear. Lows in the upper 50s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Tatum Lake Temperature Statistics

October Temperature

McKinney - McKinney National Airport (13.7 miles)

  • Lowest 1 October, 2026

    68.6 °F

  • Average October

    72.7 °F

  • Highest 1 October, 2026

    79.6 °F

Climate (2021–2026)

McKinney - McKinney National Airport (13.7 miles)

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  • Average Low 2021–2026

    56.7 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    78.6 °F
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