Buffalo, New York weather in August

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

Average high: 77°F
Average low: 64°F
Rainy days: ~13 per month
Total precipitation: 4.0 in
Warmest recorded: 89°F
Coldest recorded: 54°F

Expect August days in Buffalo, New York to top out around 77°F and cool to about 64°F overnight, with roughly 13 days of measurable rain across the month. In recent years August has ranged from 54°F to 89°F.

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Current Buffalo, New York forecast → · Historical data by Open-Meteo (ERA5).