Rockwall Lake Weather Forecast
- 75
- 99
Hot
- 76
- 98
Hot
- 75
- 98
Hot
- 76
- 101
Hot
- 78
- 101
Hot
- 77
- 99
Hot
- 76
- 96
Partly Sunny
Today 21 Jul Rockwall
Sunny, hot with Highs in the upper 90s. South Winds 10 to 15 Mph. Heat index Values up to 106.
Tonight 21 Jul Rockwall
Clear. Lows in the mid 70s. South Winds 5 to 10 Mph.
Rockwall Lake Temperature Statistics
July Temperature
Rockwall Municipal Airport (3.1 miles)
Lowest 12 July, 2025
69.3 °FAverage July
80.8 °FHighest 18 July, 2025
93.9 °F
Climate (2020–Present)
Rockwall Municipal Airport (3.1 miles)
Average Low 2020–2025
57.1 °FAverage 2020–2025
66.4 °FAverage High 2020–2025
76.5 °F