Tatum Lake Weather Forecast

    • 80
    • 106

    Hot

    • 79
    • 103

    Hot

    • 76
    • 101

    Hot

    • 74
    • 97

    Hot

    • 75
    • 97

    Hot

    • 75
    • 98

    Hot

    • 76
    • 98

    Hot

Today 24 Aug Collin

Sunny, hot with Highs around 107. Southwest Winds around 10 Mph.

Tonight 24 Aug Collin

Mostly clear. A 20 percent chance of Showers and Thunderstorms after midnight. Lows in the lower 80s. South Winds around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tatum Lake Temperature Statistics

August Temperature

McKinney - McKinney National Airport (13.7 miles)

  • Lowest 2 August, 2026

    67.6 °F

  • Average August

    88.6 °F

  • Highest 18 August, 2026

    104.6 °F

Climate (2021–2026)

McKinney - McKinney National Airport (13.7 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.5 °F

  • Average High 2021–2026

    78.5 °F
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