Detroit, Michigan weather in October

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

Average high: 63°F
Average low: 48°F
Rainy days: ~10 per month
Total precipitation: 3.5 in
Warmest recorded: 84°F
Coldest recorded: 28°F

Expect October days in Detroit, Michigan to top out around 63°F and cool to about 48°F overnight, with roughly 10 days of measurable rain across the month. In recent years October has ranged from 28°F to 84°F.

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Current Detroit, Michigan forecast → · Historical data by Open-Meteo (ERA5).