Union Valley Weather Forecast

    • 65
    • 89

    Sunny

    • 66
    • 91

    Mostly Sunny

    • 70
    • 90

    Partly Sunny

    • 72
    • 88

    Partly Sunny

    • 75
    • 90

    Slight Chance Thunderstorms

    • 73
    • 88

    Rain Showers Likely

Today 13 May Hunt

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 13 May Hunt

Clear. Lows in the mid 60s. Southeast Winds around 5 Mph.

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  • Temperature Real-Time

Union Valley Temperature Statistics

May Temperature

Rockwall Municipal Airport (10.6 miles)

  • Lowest 2 May, 2026

    50.9 °F

  • Average May

    66.9 °F

  • Highest 5 May, 2026

    86.4 °F

Climate (2021–Present)

Rockwall Municipal Airport (10.6 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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