🇺🇸 Portland vs 🇦🇺 Sydney
Weather Comparison
Current Weather Right Now
🇺🇸
Portland
43°F
Moderate Rain
Feels like 39°F
H 45°F / L 41°F
Humidity: 95%
🇦🇺
Sydney
57°F
Few Clouds
Feels like 57°F
H 58°F / L 54°F
Humidity: 92%
Climate Overview
Portland
Portland is Maine's largest city on Casco Bay, with a maritime New England climate. The Atlantic provides moderation but Portland still experiences full nor'easter potential with heavy snow and powerful ocean storms. The Old Port's waterfront cobblestones and Victorian commercial blocks create a beautiful but exposed coastal setting. Summers are famously pleasant and increasingly popular.
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 is Maine's largest city on Casco Bay, with a maritime New England climate. The Atlantic pro 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.