New Orleans, Louisiana weather in March

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

Average high: 72°F
Average low: 58°F
Rainy days: ~12 per month
Total precipitation: 6.0 in
Warmest recorded: 82°F
Coldest recorded: 38°F

Expect March days in New Orleans, Louisiana to top out around 72°F and cool to about 58°F overnight, with roughly 12 days of measurable rain across the month. In recent years March has ranged from 38°F to 82°F.

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