Tatum Lake Weather Forecast

    • 64
    • 89

    Sunny

    • 59
    • 88

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 63
    • 85

    Partly Sunny

    • 64
    • 88

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

Today 21 Mar Collin

Sunny. Highs in the lower 90s. South Winds around 10 Mph.

Tonight 21 Mar Collin

Clear. Lows in the mid 60s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph after midnight.

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  • Temperature Real-Time

Tatum Lake Temperature Statistics

March Temperature

McKinney - McKinney National Airport (13.7 miles)

  • Lowest 16 March, 2026

    29.6 °F

  • Average March

    64.7 °F

  • Highest 9 March, 2026

    84.7 °F

Climate (2021–Present)

McKinney - McKinney National Airport (13.7 miles)

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  • Average Low 2021–2026

    56.2 °F

  • Average 2021–2026

    67 °F

  • Average High 2021–2026

    78 °F
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