Celina Weather Forecast

    • 71
    • 86

    Chance Thunderstorms

    • 71
    • 87

    Rain Showers Likely

    • 74
    • 92

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

    • 76
    • 97

    Hot

    • 78
    • 99

    Hot

    • 77
    • 97

    Hot

Today 3 Aug Collin

Mostly sunny with a 20 percent chance of Showers and Thunderstorms. Highs in the upper 80s. East Winds 5 to 10 Mph.

Tonight 3 Aug Collin

Partly cloudy with a slight chance of Showers and Thunderstorms this Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Lows in the lower 70s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Celina Temperature Statistics

August Temperature

McKinney - McKinney National Airport (14.9 miles)

  • Lowest 1 August, 2025

    75 °F

  • Average August

    83.1 °F

  • Highest 1 August, 2025

    96.1 °F

Climate (2020–Present)

McKinney - McKinney National Airport (14.9 miles)

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  • Average Low 2020–2025

    55.7 °F

  • Average 2020–2025

    66.3 °F

  • Average High 2020–2025

    77.2 °F
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