New Orleans, Louisiana weather in August

Averages from 2021–2025 (155 days of record).

Average high: 90°F
Average low: 79°F
Rainy days: ~17 per month
Total precipitation: 8.3 in
Warmest recorded: 102°F
Coldest recorded: 74°F

Expect August days in New Orleans, Louisiana to top out around 90°F and cool to about 79°F overnight, with roughly 17 days of measurable rain across the month. In recent years August has ranged from 74°F to 102°F.

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Current New Orleans, Louisiana forecast → · Historical data by Open-Meteo (ERA5).