Fresno, California weather in August

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

Average high: 102°F
Average low: 72°F
Rainy days: ~1 per month
Total precipitation: 0.1 in
Warmest recorded: 113°F
Coldest recorded: 61°F

Expect August days in Fresno, California to top out around 102°F and cool to about 72°F overnight, with roughly 1 days of measurable rain across the month. In recent years August has ranged from 61°F to 113°F.

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Current Fresno, California forecast → · Historical data by Open-Meteo (ERA5).