Union Crossroads Weather Forecast

    • 70
    • 86

    Rain Showers Likely

    • 64
    • 80

    Chance Thunderstorms

    • 56
    • 75

    Slight Chance Thunderstorms

    • 52
    • 74

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

Today 22 Sep Clarendon

Sunny. Highs in the mid 80s.

Tonight 22 Sep Clarendon

Mostly cloudy. A chance of Showers and Thunderstorms this Evening, then a slight chance of Showers after midnight. Lows around 70. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Crossroads Temperature Statistics

September Temperature

Kingstree Williamsburg Regional Airport (9.3 miles)

  • Lowest 17 September, 2026

    59 °F

  • Average September

    77.1 °F

  • Highest 2 September, 2026

    95 °F

Climate (2021–2026)

Kingstree Williamsburg Regional Airport (9.3 miles)

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  • Average Low 2021–2026

    52 °F

  • Average 2021–2026

    63 °F

  • Average High 2021–2026

    75 °F
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