Weather

Helsinki Weather Today

Live rain radar, current conditions, an hour-by-hour outlook and a seven-day forecast for Helsinki, with original writing about the city's climate from The Daily Helsinki.

Wet day, 99% chance of rain. Bring a brolly.

Today's briefing

Helsinki is looking decidedly damp today, with current temperatures hovering around 17 degrees and a 100 percent chance of rain throughout the day, so you'll want to keep an umbrella close at hand as conditions stay wet and rather brisk. Winds are gusting at 23 kilometres per hour, which may add a bit of bite to the chill, though temperatures should peak at just 18 degrees before settling back to 17 this evening. A waterproof jacket paired with a jumper will serve you well, as the wind and wet conditions mean it'll feel a touch colder than the thermometer suggests. Looking ahead to the weekend, both Saturday and Sunday are likely to remain rainy, with Saturday topping out at 20 degrees and Sunday offering much the same at 20 degrees with a slightly lower 93 percent chance of precipitation, so the umbrella won't be getting a rest just yet.

Partly cloudy · 16° in Helsinki

16°

Partly cloudy · feels like 17°

Today: 20° / 16°
Humidity: 83%
Wind: 1 km/h SW
UV index: 0 · Low
Sunrise: 4:03 am
Sunset: 10:45 pm
Updated: 2:01 am

Next 24 hours

Now
16°
14%
3am
16°
10%
4am
16°
14%
5am
16°
21%
6am
16°
24%
7am
16°
18%
8am
17°
8%
9am
18°
6%
10am
18°
20%
11am
18°
41%
12pm
19°
61%
1pm
19°
76%
2pm
20°
90%
3pm
20°
98%
4pm
20°
99%
5pm
20°
96%
6pm
19°
92%
7pm
19°
91%
8pm
19°
90%
9pm
18°
82%
10pm
18°
60%
11pm
17°
30%
12am
17°
8%
1am
17°
0%

Live rain radar

Drag to pan, scroll the page over it

Animated rain radar via RainViewer (Bureau of Meteorology sources). Full BOM radar loop.

Seven-day forecast

Sat
Rain
20° 16°
Rain 99%
Sun
Drizzle
19° 16°
Rain 100%
Mon
Drizzle
18° 12°
Rain 78%
Tue
Rain
17° 12°
Rain 59%
Wed
Showers
15° 12°
Rain 46%
Thu
Showers
18° 14°
Rain 58%
Fri
Drizzle
17° 12°
Rain 30%

Air quality

Good

US AQI

PM2.5: 4
PM10: 4
Ozone: 43

Air quality by Open-Meteo (CAMS), in µg/m³.

Sun and moon

Sunrise: 4:03 am
Sunset: 10:45 pm
Daylight: 18h 42m

Waning gibbous

83% lit

From the weather desk

Helsinki weather, explained

How to read the Helsinki forecast

A good forecast is really three views at once. The current panel tells you what it feels like outside right now, which is what matters before you head out the door. The hourly strip is for planning the next part of your day: when the rain band arrives, when the wind picks up, when it is warm enough to walk. The seven-day outlook is for the week ahead, and it is most reliable in the first three or four days. Read it from the top down and you will almost always have what you need for Helsinki.

What the UV index actually means

The UV index rates the strength of the sun's ultraviolet radiation on a simple scale. Below 3 is low and you can be outside safely without protection. From 3 to 7 is moderate to high, the point at which sunburn becomes likely within an hour, so a hat and sunscreen earn their keep. Above 8 is very high to extreme, and skin can burn in minutes around the middle of the day. The index peaks at solar noon, not at the hottest part of the afternoon, so the safest habit is to check the number rather than judge by the temperature.

Why the overnight low matters as much as the high

Daytime maximums get the headlines, but the overnight minimum shapes how the day actually feels. A cold night means a slow, crisp start and, on clear evenings, the chance of fog or frost before dawn. A mild night means the warmth carries over and the morning is comfortable from the outset. Clear skies let heat escape and push the low down; cloud cover traps it and keeps the night warmer. That is why two days with the same maximum can feel completely different depending on the night that came before.

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Weather data by Open-Meteo. The Daily Helsinki is independent and not affiliated with any government weather agency.

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