Union Lake Weather Forecast

    • 77
    • 103

    Hot

    • 77
    • 103

    Hot

    • 75
    • 102

    Hot

    • 74
    • 100

    Slight Chance Thunderstorms

    • 71
    • 100

    Hot

    • 71
    • 98

    Chance Rain Showers

Today 14 Sep Stephens

Sunny, hot with Highs around 101. South Winds 5 to 10 Mph.

Tonight 14 Sep Stephens

Clear. Lows in the mid 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Union Lake Temperature Statistics

September Temperature

Graham, Graham Municipal Airport (11.8 miles)

  • Lowest 11 September, 2026

    71.6 °F

  • Average September

    87.7 °F

  • Highest 3 September, 2026

    103.6 °F

Climate (2021–2026)

Graham, Graham Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    54.6 °F

  • Average 2021–2026

    66.8 °F

  • Average High 2021–2026

    79.3 °F
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