🇺🇸 Portland vs 🇦🇺 Sydney
Weather Comparison
Current Weather Right Now
🇺🇸
Portland
77°F
Overcast Clouds
Feels like 76°F
H 79°F / L 74°F
Humidity: 37%
🇦🇺
Sydney
61°F
Broken Clouds
Feels like 61°F
H 62°F / L 59°F
Humidity: 89%
Climate Overview
Portland
Portland in the Willamette Valley between the Coast Range and Cascades has a classic Pacific Northwest marine climate. The city is famous for its mild, rainy winters and warm, sunny summers. The 2021 Heat Dome brought temperatures to 116°F, shattering records and causing hundreds of deaths — an extreme event showing climate change impacts on a city with minimal air conditioning.
Sydney
Humid subtropical — warm summers, mild winters, year-round sunshine
Sydney enjoys one of the world's best climates. Summers are warm with beach weather; winters are mild enough for outdoor activities. The city is split between coastal suburbs (cooled by sea breezes) and inland western suburbs (dramatically hotter in summer).
Seasonal Comparison
| Season | 🇺🇸 Portland | 🇦🇺 Sydney |
|---|---|---|
| Spring | — | 60–73°F September–November |
| Summer | — | 72–82°F December–February |
| Fall | — | 62–75°F March–May |
| Winter | — | 50–63°F June–August |
Portland vs Sydney: Frequently Asked Questions
Does Portland or Sydney have better weather?
Portland and Sydney have very different climates. Portland in the Willamette Valley between the Coast Range and Cascades has a classic Pacific Northwe Sydney: Humid subtropical — warm summers, mild winters, year-round sunshine. The best city depends on your preferred season and temperature range.
When is the best time to visit Portland vs Sydney?
Best time for Portland: spring and fall. Best time for Sydney: September, October, November, March, April.