Plano Weather Forecast

    • 44
    • 57

    Mostly Cloudy

    • 26
    • 46

    Wintry Mix

    • 14
    • 29

    Wintry Mix

    • 5
    • 21

    Partly Sunny

    • 14
    • 30

    Mostly Sunny

    • 27
    • 41

    Partly Sunny

Today 22 Jan Collin

Mostly cloudy. Highs in the mid 50s. Southeast Winds around 5 Mph.

Tonight 22 Jan Collin

Mostly cloudy. A 30 percent chance of Showers after midnight. Lows in the lower 40s. East Winds 5 to 10 Mph.

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Plano Temperature Statistics

January Temperature

Dallas / Addison Airport (8.1 miles)

  • Lowest 18 January, 2026

    24.8 °F

  • Average January

    51.7 °F

  • Highest 7 January, 2026

    78.8 °F

Climate (2021–Present)

Dallas / Addison Airport (8.1 miles)

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  • Average Low 2021–2026

    59.7 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    78 °F
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