Weather in Portland in August
Portland, United States averages a high of 27.7°C (81.9°F) and low of 14.6°C (58.3°F) in August, with 2 rain days and 12.3 hours of daily sunshine. Travel score: 96.9/100 (Excellent). The best time to visit Portland is July.
High
28°C82°F
Low
15°C58°F
🌧️
2
rain days
☀️
12.3
hrs/day sunshine
💧
60%
humidity
97— Excellent
August in Portland is warm and dry — ideal for sightseeing and outdoor activities.
What are the average temperatures in Portland?
How much does it rain in Portland in August?
Portland receives an average of 14.8mm of rainfall across 2 rainy days in August. The annual total is 1241.1mm.
What should I pack for Portland in August?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
👕
Light layers and t-shirts
Warm weather around 28°C
🧴
Sunscreen SPF 30+
12 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
Recommended
🧥
Evening jacket or cardigan
Temperature drops 13°C from day to night
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Data based on 1994–2024 averages · Last updated: 2024-12-31