Oklahoma City, Oklahoma weather in March

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

Average high: 65°F
Average low: 44°F
Rainy days: ~7 per month
Total precipitation: 2.7 in
Warmest recorded: 84°F
Coldest recorded: 20°F

Expect March days in Oklahoma City, Oklahoma to top out around 65°F and cool to about 44°F overnight, with roughly 7 days of measurable rain across the month. In recent years March has ranged from 20°F to 84°F.

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Current Oklahoma City, Oklahoma forecast → · Historical data by Open-Meteo (ERA5).