Old Union Weather Forecast
- 74
- 94
Increasing Clouds
- 75
- 93
Increasing Clouds
- 75
- 94
Partly Sunny
- 74
- 96
Mostly Sunny
- 75
- 95
Mostly Sunny
- 75
- 95
Mostly Sunny
- 76
- 95
Mostly Sunny
Today 26 Jun Limestone
Mostly sunny. Highs in the lower 90s. South Winds 10 to 15 Mph.
Tonight 26 Jun Limestone
Mostly clear this Evening, then becoming partly cloudy. Lows in the mid 70s. South Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.
Old Union Temperature Statistics
June Temperature
Mexia Limestone County Airport (16.8 miles)
Lowest 3 June, 2026
65.5 °FAverage June
78.9 °FHighest 22 June, 2026
91.6 °F
Climate (2021–2026)
Mexia Limestone County Airport (16.8 miles)
Average Low 2021–2026
58.3 °FAverage 2021–2026
68.2 °FAverage High 2021–2026
79.1 °F