The Castlery Weather Forecast
- 82
- 100
Hot
- 81
- 100
Hot
- 81
- 100
Hot
- 80
- 97
Hot
- 80
- 99
Hot
- 80
- 100
Hot
- 78
- 98
Hot
Today 7 Sep Collin
Sunny with a 20 percent chance of Showers and Thunderstorms. Hot with Highs around 101. Southeast Winds 5 to 10 Mph. Heat index Values up to 109.
Tonight 7 Sep Collin
Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph.
The Castlery Temperature Statistics
September Temperature
Dallas / Addison Airport (6.2 miles)
Lowest 4 September, 2026
78.8 °FAverage September
87.1 °FHighest 1 September, 2026
100.4 °F
Climate (2021–2026)
Dallas / Addison Airport (6.2 miles)
Average Low 2021–2026
60.3 °FAverage 2021–2026
68.1 °FAverage High 2021–2026
78.8 °F