Union Lake Weather Forecast

    • 37
    • 57

    Sunny

    • 43
    • 70

    Sunny

    • 37
    • 66

    Sunny

    • 44
    • 71

    Sunny

    • 35
    • 68

    Mostly Sunny

    • 39
    • 61

    Partly Sunny

    • 45
    • 60

    Mostly Cloudy

Today 8 Dec Stephens

Sunny. Highs in the upper 50s. Southeast Winds around 5 Mph.

Tonight 8 Dec Stephens

Clear. Not as cool with Lows in the upper 30s. South Winds 5 to 10 Mph.

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Union Lake Temperature Statistics

December Temperature

Graham, Graham Municipal Airport (11.8 miles)

  • Lowest 2 December, 2025

    19 °F

  • Average December

    40.6 °F

  • Highest 3 December, 2025

    59.7 °F

Climate (2020–Present)

Graham, Graham Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    53.3 °F

  • Average 2020–2025

    65.5 °F

  • Average High 2020–2025

    78 °F
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