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Boise Weather in August
United States · late summer in Northern Hemisphere
Boise in the Treasure Valley has a semi-arid climate with hot, dry summers and cool winters. The city is in a rain shadow east of the Cascade-Sierra Nevada mountain chain, receiving only about 12 inches of precipitation annually. The Boise River and Greenbelt provide riparian cooling, while hot and dry conditions in summer can lead to significant wildfire smoke events from regional fires.
Hot in many cities. Beach and outdoor destinations are at their peak.
Current Weather in Boise Right Now
49°F
Moderate Rain
Feels like 43°F · H 50°F / L 46°F