Tucson, Arizona weather in October

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

Average high: 87°F
Average low: 61°F
Rainy days: ~3 per month
Total precipitation: 1.6 in
Warmest recorded: 104°F
Coldest recorded: 46°F

Expect October days in Tucson, Arizona to top out around 87°F and cool to about 61°F overnight, with roughly 3 days of measurable rain across the month. In recent years October has ranged from 46°F to 104°F.

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