Lewisville Weather Forecast
- 69
- 88
Mostly Sunny
- 69
- 91
Sunny
- 69
- 93
Sunny
- 69
- 94
Sunny
- 69
- 93
Mostly Sunny
- 71
- 93
Slight Chance Thunderstorms
Today 11 Jul Watonwan
Sunny. Near steady temperature in the upper 80s. South Winds 5 to 10 Mph.
Tonight 11 Jul Watonwan
Clear. Lows in the upper 60s. South Winds 5 to 10 Mph.
Lewisville Temperature Statistics
July Temperature
St. James Municipal Airport (6.8 miles)
Lowest 5 July, 2026
62.6 °FAverage July
74.4 °FHighest 6 July, 2026
86 °F
Climate (2021–2026)
St. James Municipal Airport (6.8 miles)
Average Low 2021–2026
36.7 °FAverage 2021–2026
46.9 °FAverage High 2021–2026
57.1 °F