Flat Lake Weather Forecast
- 82
- 89
Slight Chance Thunderstorms
- 82
- 89
Chance Thunderstorms
- 82
- 88
Chance Thunderstorms
- 82
- 88
Slight Chance Thunderstorms
- 82
- 88
Slight Chance Thunderstorms
- 83
- 89
Mostly Sunny
- 84
- 89
Partly Sunny
Today 3 Jul Lower Vermilion
Mostly sunny. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. North Winds around 5 Mph, becoming south this afternoon. Chance of rain 50 percent. Heat index Values up to 106.
Tonight 3 Jul Lower Vermilion
Partly cloudy this Evening, then clearing. Lows in the upper 70s. Southwest Winds around 5 Mph.
Flat Lake Temperature Statistics
July Temperature
Abbeville Chris Crusta Memorial Airport (39.1 miles)
Lowest 1 July, 2026
73 °FAverage July
78.2 °FHighest 1 July, 2026
89.4 °F
Climate (2021–2026)
Abbeville Chris Crusta Memorial Airport (39.1 miles)
Average Low 2021–2026
60.1 °FAverage 2021–2026
69.2 °FAverage High 2021–2026
79.5 °F