Union Lake Weather Forecast
- 63
- 84
Chance Thunderstorms
- 65
- 87
Slight Chance Thunderstorms
- 66
- 88
Rain Showers
- 66
- 82
Rain Showers Likely
- 68
- 85
Slight Chance Thunderstorms
- 70
- 89
Slight Chance Thunderstorms
- 70
- 90
Chance Thunderstorms
Today 24 May Stephens
Mostly cloudy with a 40 percent chance of Showers and Thunderstorms. Highs in the mid 80s. East Winds around 5 Mph.
Tonight 24 May Stephens
Mostly cloudy with a 40 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.
Union Lake Temperature Statistics
May Temperature
Graham, Graham Municipal Airport (11.8 miles)
Lowest 2 May, 2026
43.3 °FAverage May
70.1 °FHighest 14 May, 2026
91 °F
Climate (2021–Present)
Graham, Graham Municipal Airport (11.8 miles)
Average Low 2021–2026
53.2 °FAverage 2021–2026
65.5 °FAverage High 2021–2026
78.1 °F