Thornton Lake Weather Forecast
- 70
- 87
Slight Chance Thunderstorms
- 72
- 87
Chance Thunderstorms
- 74
- 91
Slight Chance Thunderstorms
- 76
- 95
Mostly Sunny
- 76
- 97
Hot
- 76
- 99
Hot
- 76
- 99
Hot
Today 26 Jul Fannin
Mostly sunny with a 30 percent chance of Showers and Thunderstorms. Highs in the upper 80s. East Winds 5 to 10 Mph.
Tonight 26 Jul Fannin
Partly cloudy this Evening, then becoming mostly cloudy. Patchy fog after midnight. Lows around 70. Southeast Winds 5 to 10 Mph.
Thornton Lake Temperature Statistics
July Temperature
McKinney - McKinney National Airport (21.7 miles)
Lowest 6 July, 2024
69.7 °FAverage July
84.5 °FHighest 16 July, 2024
101.6 °F
Climate (2019–Present)
McKinney - McKinney National Airport (21.7 miles)
Average Low 2019–2024
55.6 °FAverage 2019–2024
66 °FAverage High 2019–2024
76.7 °F