Marcum Weather Forecast

    • 30
    • 61

    Decreasing Clouds

    • 28
    • 44

    Mostly Sunny

    • 41
    • 51

    Partly Sunny

    • 51
    • 62

    Mostly Cloudy

    • 58
    • 70

    Partly Sunny

    • 47
    • 71

    Partly Sunny

Today 13 Dec Collin

Mostly cloudy this Morning, then becoming partly sunny. Areas of fog this morning. Highs in the lower 60s. Northeast Winds around 5 Mph, becoming southwest this afternoon.

Tonight 13 Dec Collin

Mostly cloudy with a slight chance of drizzle in the Evening, then partly cloudy after midnight. Cooler with Lows around 30. Northeast Winds 10 to 15 Mph, becoming north 15 to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Marcum Temperature Statistics

December Temperature

McKinney - McKinney National Airport (10.6 miles)

  • Lowest 2 December, 2025

    28.9 °F

  • Average December

    43.7 °F

  • Highest 10 December, 2025

    64.9 °F

Climate (2020–Present)

McKinney - McKinney National Airport (10.6 miles)

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  • Average Low 2020–2025

    55.9 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    77.5 °F
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