Tatum Lake Weather Forecast

    • 63
    • 77

    Increasing Clouds

    • 63
    • 80

    Mostly Sunny

    • 64
    • 78

    Partly Sunny

    • 32
    • 75

    Slight Chance Rain Showers

    • 25
    • 40

    Partly Sunny

    • 32
    • 46

    Mostly Sunny

Today 25 Dec Collin

Mostly sunny. Highs in the upper 70s. South Winds 10 to 15 Mph.

Tonight 25 Dec Collin

Partly cloudy. Lows in the lower 60s. South Winds around 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Tatum Lake Temperature Statistics

December Temperature

McKinney - McKinney National Airport (13.7 miles)

  • Lowest 15 December, 2025

    23 °F

  • Average December

    48.8 °F

  • Highest 23 December, 2025

    80.1 °F

Climate (2020–Present)

McKinney - McKinney National Airport (13.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    56 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    77.5 °F
Get WillyWeather+ to remove ads