Union Lake Weather Forecast

    • 72
    • 85

    Chance Thunderstorms

    • 73
    • 89

    Chance Thunderstorms

    • 72
    • 92

    Chance Thunderstorms

    • 74
    • 93

    Slight Chance Thunderstorms

    • 76
    • 97

    Hot

    • 75
    • 96

    Mostly Sunny

    • 75
    • 95

    Mostly Sunny

Today 6 Jul Stephens

Partly sunny with a 50 percent chance of Showers and Thunderstorms. Highs in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 6 Jul Stephens

Mostly clear with a 20 percent chance of Showers and Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 70s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Lake Temperature Statistics

July Temperature

Graham, Graham Municipal Airport (11.8 miles)

  • Lowest 1 July, 2025

    69.3 °F

  • Average July

    77.2 °F

  • Highest 2 July, 2025

    88.2 °F

Climate (2020–Present)

Graham, Graham Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    52.9 °F

  • Average 2020–2025

    65.1 °F

  • Average High 2020–2025

    77.7 °F
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