Tucson, Arizona weather in March

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

Average high: 73°F
Average low: 47°F
Rainy days: ~5 per month
Total precipitation: 2.0 in
Warmest recorded: 95°F
Coldest recorded: 30°F

Expect March days in Tucson, Arizona to top out around 73°F and cool to about 47°F overnight, with roughly 5 days of measurable rain across the month. In recent years March has ranged from 30°F to 95°F.

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Current Tucson, Arizona forecast → · Historical data by Open-Meteo (ERA5).