Dallas, Texas weather in March

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

Average high: 71°F
Average low: 50°F
Rainy days: ~9 per month
Total precipitation: 4.4 in
Warmest recorded: 91°F
Coldest recorded: 24°F

Expect March days in Dallas, Texas to top out around 71°F and cool to about 50°F overnight, with roughly 9 days of measurable rain across the month. In recent years March has ranged from 24°F to 91°F.

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Current Dallas, Texas forecast → · Historical data by Open-Meteo (ERA5).