Helsinki Weather on Wednesday, October 21, 2026

What to wear and what to watch out for

• Take an umbrella or a raincoat with you.
• Cool in the morning and evening: dress in layers and bring a sweater or jacket.

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8. 07:008°3%
9. 08:008°7%
10. 09:009°10%
11. 10:009°10%
12. 11:0010°9%
13. 12:0010°8%
14. 13:0010°6%
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17. 16:0010°3%
18. 17:0010°5%
19. 18:0010°10%
20. 19:0011°19%
21. 20:0011°31%
22. 21:0011°41%
23. 22:0011°49%
24. 23:0011°55%

• Saint Petersburg8° / 2°301 km
• Stockholm11° / 9°396 km
• Oslo9° / 5°787 km
• Moscow11° / 2°893 km
• Warsaw18° / 10°915 km
• Rügen13° / 10°918 km
• Usedom12° / 10°948 km
• Hellesylt (Geirangerfjord)11° / 5°990 km

Frequently asked questions

Will it rain in Helsinki on Wednesday, October 21, 2026?

Yes, the chance of rain is 55%, with 5.8 mm of rain expected in total.

What will the temperature be in Helsinki on Wednesday, October 21, 2026?

A high of 11°C and a low of 7°C are expected. Conditions: light showers.

What time are sunrise and sunset in Helsinki on October 21, 2026?

Sunrise is at 08:14 and sunset at 17:53 (local time); day length 9 h 39 min.

How reliable is this forecast?

Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.