Lewisburg Weather Forecast
- 78
- 94
Decreasing Clouds
- 80
- 95
Mostly Sunny
- 80
- 96
Hot
- 80
- 98
Hot
- 79
- 97
Slight Chance Thunderstorms
- 79
- 96
Chance Thunderstorms
Today 25 Jul Southwestern St. Tammany
Mostly sunny. Near steady temperature in the lower 90s. Southwest Winds around 5 Mph. Heat index Values up to 108.
Tonight 25 Jul Southwestern St. Tammany
Mostly cloudy in the Evening, then becoming partly cloudy. Humid with Lows in the upper 70s. Southwest Winds around 5 Mph.
Lewisburg Temperature Statistics
July Temperature
Slidell, Slidell Airport (16.8 miles)
Lowest 6 July, 2026
71.7 °FAverage July
83.3 °FHighest 20 July, 2026
96.7 °F
Climate (2021–2026)
Slidell, Slidell Airport (16.8 miles)
Average Low 2021–2026
59.9 °FAverage 2021–2026
70.2 °FAverage High 2021–2026
80.9 °F