Rainbow Lake Weather Forecast
- 75
- 96
Becoming Sunny
- 75
- 100
Hot
- 78
- 101
Hot
- 77
- 97
Hot
- 78
- 96
Partly Sunny
- 77
- 98
Hot
Today 23 Jul Rockwall
Sunny, hot with Highs in the upper 90s. South Winds 5 to 10 Mph.
Tonight 23 Jul Rockwall
Mostly clear. Lows in the mid 70s. South Winds 5 to 10 Mph.
Rainbow Lake Temperature Statistics
July Temperature
Rockwall Municipal Airport (3.7 miles)
Lowest 12 July, 2025
69.3 °FAverage July
81.1 °FHighest 18 July, 2025
93.9 °F
Climate (2020–Present)
Rockwall Municipal Airport (3.7 miles)
Average Low 2020–2025
57.1 °FAverage 2020–2025
66.4 °FAverage High 2020–2025
76.5 °F