Union Lake Weather Forecast
- 44
- 70
Sunny
- 36
- 69
Sunny
- 29
- 68
Mostly Sunny
- 29
- 44
Partly Sunny
- 44
- 59
Mostly Cloudy
- 49
- 68
Partly Sunny
- 49
- 76
Mostly Sunny
Today 11 Dec Stephens
Sunny. Highs in the lower 70s. Southwest Winds around 10 Mph.
Tonight 11 Dec Stephens
Clear. Lows in the mid 40s. South Winds 5 to 10 Mph.
Union Lake Temperature Statistics
December Temperature
Graham, Graham Municipal Airport (11.8 miles)
Lowest 2 December, 2025
19 °FAverage December
42.1 °FHighest 9 December, 2025
71.4 °F
Climate (2020–Present)
Graham, Graham Municipal Airport (11.8 miles)
Average Low 2020–2025
53.3 °FAverage 2020–2025
65.5 °FAverage High 2020–2025
78 °F