Union Valley Weather Forecast

    • 71
    • 91

    Slight Chance Thunderstorms

    • 73
    • 96

    Hot

    • 72
    • 95

    Rain Showers Likely

    • 69
    • 86

    Rain Showers Likely

    • 66
    • 82

    Chance Rain Showers

    • 66
    • 80

    Chance Rain Showers

Today 28 Sep Hunt

Mostly sunny. A chance of Showers and Thunderstorms this Morning, then a slight chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

Tonight 28 Sep Hunt

Partly cloudy. Lows around 70. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Valley Temperature Statistics

September Temperature

Rockwall Municipal Airport (10.6 miles)

  • Lowest 25 September, 2026

    66.6 °F

  • Average September

    85.7 °F

  • Highest 12 September, 2026

    100.6 °F

Climate (2021–2026)

Rockwall Municipal Airport (10.6 miles)

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  • Average Low 2021–2026

    58.2 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    77.8 °F
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