Plano Weather Forecast

    • 64
    • 83

    Gradual Clearing

    • 63
    • 84

    Mostly Sunny

    • 65
    • 87

    Mostly Sunny

    • 68
    • 91

    Mostly Sunny

    • 71
    • 92

    Mostly Sunny

    • 71
    • 93

    Mostly Sunny

Today 7 Sep Collin

Mostly sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 7 Sep Collin

Partly cloudy. Lows in the mid 60s. East Winds around 5 Mph.

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Plano Temperature Statistics

September Temperature

Dallas / Addison Airport (8.1 miles)

  • Lowest 2 September, 2025

    71.6 °F

  • Average September

    80.4 °F

  • Highest 4 September, 2025

    102.2 °F

Climate (2020–Present)

Dallas / Addison Airport (8.1 miles)

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  • Average Low 2020–2025

    59.2 °F

  • Average 2020–2025

    66.9 °F

  • Average High 2020–2025

    77.5 °F
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