Melissa Weather Forecast

    • 77
    • 95

    Slight Chance Thunderstorms

    • 77
    • 95

    Decreasing Clouds

    • 76
    • 98

    Hot

    • 76
    • 100

    Hot

    • 77
    • 101

    Hot

    • 77
    • 101

    Hot

    • 74
    • 96

    Slight Chance Thunderstorms

Today 26 Jul Collin

Partly sunny with a 30 percent chance of Showers and Thunderstorms. Highs in the mid 90s. South Winds around 10 Mph. Heat index Values up to 106.

Tonight 26 Jul Collin

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Melissa Temperature Statistics

July Temperature

McKinney - McKinney National Airport (7.5 miles)

  • Lowest 12 July, 2025

    69.7 °F

  • Average July

    84.1 °F

  • Highest 21 July, 2025

    97.6 °F

Climate (2020–Present)

McKinney - McKinney National Airport (7.5 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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