Tatum Lake Weather Forecast

    • 53
    • 67

    Rain Showers

    • 44
    • 65

    Partly Sunny

    • 52
    • 69

    Mostly Sunny

    • 57
    • 74

    Partly Sunny

    • 59
    • 78

    Mostly Cloudy

    • 52
    • 77

    Mostly Cloudy

Today 14 Feb Collin

Showers with a chance of Thunderstorms. Locally heavy rainfall possible. Cooler with Highs in the upper 60s. West Winds 5 to 10 Mph. Chance of rain near 100 percent.

Tonight 14 Feb Collin

Showers with a chance of Thunderstorms in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 50s. Southwest Winds around 5 Mph, becoming northwest 10 to 15 Mph after midnight. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tatum Lake Temperature Statistics

February Temperature

McKinney - McKinney National Airport (13.7 miles)

  • Lowest 1 February, 2026

    20.6 °F

  • Average February

    54.3 °F

  • Highest 6 February, 2026

    83.6 °F

Climate (2021–Present)

McKinney - McKinney National Airport (13.7 miles)

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  • Average Low 2021–2026

    56 °F

  • Average 2021–2026

    66.8 °F

  • Average High 2021–2026

    77.7 °F
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