Plano Weather Forecast

    • 44
    • 53

    Mostly Sunny

    • 32
    • 56

    Becoming Sunny

    • 37
    • 53

    Mostly Sunny

    • 46
    • 62

    Sunny

    • 45
    • 66

    Mostly Sunny

    • 38
    • 65

    Mostly Sunny

    • 33
    • 56

    Mostly Sunny

Today 6 Dec Collin

Partly sunny. Highs in the lower 50s. South Winds 5 to 10 Mph.

Tonight 6 Dec Collin

Partly cloudy this Evening, then becoming mostly cloudy. Areas of dense fog after midnight. Lows in the lower 40s. South Winds around 5 Mph, becoming west after midnight.

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Plano Temperature Statistics

December Temperature

Dallas / Addison Airport (8.1 miles)

  • Lowest 2 December, 2025

    30.2 °F

  • Average December

    41 °F

  • Highest 3 December, 2025

    60.8 °F

Climate (2020–Present)

Dallas / Addison Airport (8.1 miles)

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  • Average Low 2020–2025

    59.6 °F

  • Average 2020–2025

    67.2 °F

  • Average High 2020–2025

    77.8 °F
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