Old Union Weather Forecast
- 73
- 99
Hot
- 74
- 100
Hot
- 75
- 100
Hot
- 75
- 100
Hot
- 75
- 100
Hot
- 75
- 101
Hot
Today 15 Aug Limestone
Sunny, hot with Highs in the upper 90s. South Winds 5 to 10 Mph.
Tonight 15 Aug Limestone
Mostly clear. Lows in the mid 70s. South Winds around 5 Mph.
Old Union Temperature Statistics
August Temperature
Mexia Limestone County Airport (16.8 miles)
Lowest 3 August, 2026
66.2 °FAverage August
83.9 °FHighest 12 August, 2026
97.7 °F
Climate (2021–2026)
Mexia Limestone County Airport (16.8 miles)
Average Low 2021–2026
58.3 °FAverage 2021–2026
68.3 °FAverage High 2021–2026
79.2 °F