Suomenlinna Weather Today
Helsinki, Finland · Updated Saturday, April 4, 2026 at 5:58 PM ET
36°F
Broken Clouds
Feels like 30°F · H 37°F / L 36°F
Humidity
97%
Wind
7 mph
E
Visibility
6 mi
Pressure
998
hPa
Cloud Cover
75%
Golden Hour · Suomenlinna Today
Morning Golden Hour
9:47 AM – 10:47 AM
Sunrise 9:57 AM
Evening Golden Hour
10:40 PM – 11:40 PM
Sunset 11:30 PM
Suomenlinna Weather Right Now
Suomenlinna weather today is 36°F with broken clouds. The high will reach 37°F and the low will drop to 36°F. It feels like 30°F outside. Humidity is at 97% with winds from the E at 7 mph. Visibility is 6 miles with 75% cloud cover and a pressure of 998 hPa.
5-Day Forecast
Sun, Apr 5
38°F
35°F
Snow
Mon, Apr 6
37°F
35°F
Light Snow
Tue, Apr 7
39°F
32°F
Overcast Clouds
Wed, Apr 8
39°F
29°F
Clear Sky
Thu, Apr 9
36°F
31°F
Overcast Clouds
About Suomenlinna Weather
Suomenlinna's position on exposed sea fortress islands gives it Helsinki's most extreme maritime microclimate, with persistent winds averaging 1.5–2 times mainland speeds and winter wind chill regularly 5–8°C below city centre values. The surrounding open water delays ice formation and spring warming, making Suomenlinna's seasons shift noticeably later than on the mainland.