Salt Lake City, Utah weather in August

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

Average high: 89°F
Average low: 64°F
Rainy days: ~4 per month
Total precipitation: 1.8 in
Warmest recorded: 102°F
Coldest recorded: 50°F

Expect August days in Salt Lake City, Utah to top out around 89°F and cool to about 64°F overnight, with roughly 4 days of measurable rain across the month. In recent years August has ranged from 50°F to 102°F.

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