Rowlett Weather Forecast
- 77
- 98
Chance Thunderstorms
- 78
- 101
Hot
- 77
- 100
Hot
- 78
- 100
Hot
- 77
- 100
Hot
- 77
- 99
Hot
Today 11 Sep Dallas
Mostly sunny with a 20 percent chance of Showers and Thunderstorms. Hot with Highs in the upper 90s. South Winds around 5 Mph.
Tonight 11 Sep Dallas
Mostly clear. Humid with Lows in the upper 70s. South Winds around 5 Mph.
Rowlett Temperature Statistics
September Temperature
Rockwall Municipal Airport (7.5 miles)
Lowest 3 September, 2026
74.3 °FAverage September
86.3 °FHighest 8 September, 2026
99.9 °F
Climate (2021–2026)
Rockwall Municipal Airport (7.5 miles)
Average Low 2021–2026
58.1 °FAverage 2021–2026
67.5 °FAverage High 2021–2026
77.7 °F