Royse City Weather Forecast

    • 70
    • 89

    Mostly Cloudy

    • 70
    • 89

    Partly Sunny

    • 73
    • 90

    Slight Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 68
    • 86

    Rain Showers Likely

    • 64
    • 80

    Rain Showers Likely

Today 15 May Rockwall

Partly sunny. Highs around 90. South Winds 10 to 15 Mph, increasing to 15 to 20 Mph this afternoon.

Tonight 15 May Rockwall

Mostly cloudy with a 20 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 70s. South Winds 15 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Royse City Temperature Statistics

May Temperature

Rockwall Municipal Airport (6.2 miles)

  • Lowest 2 May, 2026

    50.9 °F

  • Average May

    67.1 °F

  • Highest 5 May, 2026

    86.4 °F

Climate (2021–Present)

Rockwall Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    57.9 °F

  • Average 2021–2026

    67.2 °F

  • Average High 2021–2026

    77.4 °F
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