Weather in Helsinki - 14-day forecast

Detailed weather forecast for Helsinki, Finland: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Helsinki

today🌧️ 15°💧 0.9 mm

Thu🌧️ 13°💧 5.5 mm

Fri🌤️ 19°💧 9.3 mm

Sat🌧️ 18°💧 1.7 mm

Sun🌧️ 25°💧 6.4 mm

Mon🌧️ 21°💧 3.2 mm

Tue☀️ 24°💧 7.1 mm

Wed☀️ 23°💧 0.1 mm

⚠️ Weather warnings - Helsinki

✅ No active weather warnings for Helsinki (region: Western Gulf of Finland). The national weather service is not forecasting dangerous conditions.

14-day forecast - Helsinki

📅 Helsinki 30 & 45-day weather - long-range outlook

Next 16 days · forecast

20°

around 18° at night · days with rain: 13

Weeks 3-4 · avg for July

22°

around 13° at night · rain chance 48%

Weeks 5-7 · avg for August

21°

around 12° at night · rain chance 56%

The 30 & 45-day outlook for Helsinki: the next 16 days are a numerical forecast updated daily - on average 20° by day and 18° at night. Further out we rely on multi-year climate averages: around 22° in July, and about 21° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Helsinki

Wednesday8 July 2026

🌧️15°light rain

sunrise 04:09 · sunset 22:41 · night 14° · evening 15° · rain 0.89 mm · humidity 81% · wind 5 m/s · clouds 99%

Thursday9 July 2026

🌧️13°moderate rain

sunrise 04:11 · sunset 22:39 · night 14° · evening 18° · rain 5.5 mm · humidity 96% · wind 9 m/s · clouds 100%

Friday10 July 2026

🌤️19°scattered clouds

sunrise 04:12 · sunset 22:38 · night 16° · evening 19° · rain 9.34 mm · humidity 64% · wind 5 m/s · clouds 49%

Saturday11 July 2026

🌧️18°light rain

sunrise 04:14 · sunset 22:36 · night 20° · evening 22° · rain 1.73 mm · humidity 77% · wind 4 m/s · clouds 100%

Sunday12 July 2026

🌧️25°moderate rain

sunrise 04:16 · sunset 22:35 · night 20° · evening 26° · rain 6.36 mm · humidity 60% · wind 7 m/s · clouds 4%

Monday13 July 2026

🌧️21°light rain

sunrise 04:18 · sunset 22:33 · night 21° · evening 25° · rain 3.18 mm · humidity 75% · wind 6 m/s · clouds 93%

Tuesday14 July 2026

☀️24°clear sky

sunrise 04:20 · sunset 22:32 · night 21° · evening 22° · rain 7.08 mm · humidity 57% · wind 4 m/s · clouds 1%

Wednesday15 July 2026

☀️23°clear sky

sunrise 04:21 · sunset 22:30 · night 21° · evening 23° · rain 0.12 mm · humidity 61% · wind 3 m/s · clouds 99%

Thursday16 July 2026

☁️25°broken clouds

sunrise 04:23 · sunset 22:28 · night 21° · evening 24° · rain 1.14 mm · humidity 56% · wind 4 m/s · clouds 78%

Friday17 July 2026

🌧️22°light rain

sunrise 04:25 · sunset 22:26 · night 19° · evening 21° · rain 1.14 mm · humidity 75% · wind 4 m/s · clouds 68%

Saturday18 July 2026

🌧️23°light rain

sunrise 04:27 · sunset 22:24 · night 18° · evening 19° · rain 2.1 mm · humidity 65% · wind 6 m/s · clouds 75%

Sunday19 July 2026

🌧️16°light rain

sunrise 04:29 · sunset 22:22 · night 16° · evening 18° · rain 2.82 mm · humidity 74% · wind 10 m/s · clouds 42%

Monday20 July 2026

🌧️17°light rain

sunrise 04:32 · sunset 22:20 · night 14° · evening 16° · rain 2.19 mm · humidity 70% · wind 8 m/s · clouds 31%

Tuesday21 July 2026

🌧️19°light rain

sunrise 04:34 · sunset 22:18 · night 16° · evening 15° · rain 0.69 mm · humidity 66% · wind 6 m/s · clouds 100%

Wednesday22 July 2026

🌧️21°light rain

sunrise 04:36 · sunset 22:16 · night 18° · evening 21° · rain 2.85 mm · humidity 71% · wind 5 m/s · clouds 100%

Thursday23 July 2026

🌧️16°light rain

sunrise 04:38 · sunset 22:14 · night 17° · evening 16° · rain 7.82 mm · humidity 87% · wind 8 m/s · clouds 77%

☀️ UV index in Helsinki - is it safe to sunbathe?

Today the UV index in Helsinki is 3 (low). You can safely stay outside. Sunscreen only matters for very long exposure.

🌿 Pollen in Helsinki - info for allergy sufferers

Today grasses pollen is highest in Helsinki - about 21 grains/m³, moderate level. Most allergy sufferers should not feel strong symptoms. Pollen levels are a CAMS model forecast and are indicative.

🌊 Sea temperature - Helsinki

Water today

18°C

Week avg

19°C

Waves today

0.1 m

How's the water?

cold

16-day sea temperature forecast:

8.07 18°C9.07 18°C10.07 18°C11.07 19°C12.07 19°C13.07 20°C14.07 20°C15.07 20°C16.07 20°C

Average sea temperature through the year:

Jan 0°CFeb 0°CMar 1°CApr 4°CMay 10°CJun 16°CJul 19°CAug 20°CSep 17°COct 11°CNov 6°CDec 3°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Helsinki

Air quality in Helsinki is currently very good. Fine particulate PM2.5: 3.2 µg/m³, PM10: 4.6 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Helsinki	3.2	4.6	very good
Vantaa	2.9	4.8	very good
Espoo	2.8	3.1	very good
Oulu	2.4	3.3	very good
Turku	2.3	3	very good
Tampere	1.8	2.3	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 04:00).

Helsinki weather through the year

Warmest, driest months on average: May, June, July, August.

🎉 Public holidays in Helsinki - when are the long weekends?

Next long weekend in Helsinki: Christmas Eve (24 December, Thursday) - Thursday–Sunday if you take Friday off (4 days).

31 OctoberSaturday

All Saints' Day

falls on a weekend

6 DecemberSunday

Independence Day

falls on a weekend

24 DecemberThursday

Christmas Eve

🎈 long weekend + bridge day

25 DecemberFriday

Christmas Day

🎈 long weekend

26 DecemberSaturday

St. Stephen's Day

falls on a weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

6 JanuaryWednesday 2027

Epiphany

26 MarchFriday 2027

Good Friday

🎈 long weekend

28 MarchSunday 2027

Easter Sunday

falls on a weekend

29 MarchMonday 2027

Easter Monday

🎈 long weekend

1 MaySaturday 2027

May Day

falls on a weekend

6 MayThursday 2027

Ascension Day

🎈 long weekend + bridge day

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

VantaaEspoo

FAQ - Helsinki weather

What is the weather like in Helsinki today?

Today it is about 15° during the day and 14° at night, light rain.

How far ahead can I check the forecast for Helsinki?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.