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Weather · South Korea

Jeju Island Weather on Wednesday, October 21, 2026

  1. TodayOctober 1925° 20°
  2. TomorrowOctober 2024° 18°
  3. WedOctober 2121° 17°
  4. ThuOctober 2219° 14°
  5. FriOctober 2322° 19°
  6. SatOctober 2423° 21°
  7. SunOctober 2526° 23°
  8. MonOctober 2626° 23°
  9. TueOctober 2724° 16°
  10. WedOctober 2817° 10°
  11. ThuOctober 2912° 10°
  12. FriOctober 3014° 10°
  13. SatOctober 3120° 11°
  14. SunNovember 120° 12°

Jeju Island · Wednesday, October 21 2026

21°17°

Light rain

High 21°, low 17°

Chance of rain
98%
4.6 mm
Wind
43 km/h
northwest
UV index
5
Moderate
Sunrise
06:41
Sunset 17:52
Day length
11 h 11 min
Moon
Waxing gibbous
81% illuminated

Updated: · Source: Open-Meteo

Forecast for Jeju Island on Wednesday, October 21, 2026: light rain, with a high of 21°C and a low of 17°C. The chance of rain is 98%, with 4.6 mm of precipitation expected in total. Wind from the northwest at up to 43 km/h. Sunrise is at 06:41 and sunset at 17:52; day length 11 h 11 min. 3° cooler than the previous day. This day is 2° cooler than the 7-day average. The best time to be outdoors looks like 18:00–21:00. Rain is most likely between 00:00 and 16:00.

What to wear and what to watch out for

  • Take an umbrella or a raincoat with you.
  • Mild weather: light clothing is enough.
  • Strong wind (43 km/h): secure balcony items; ferry services may be disrupted.

Wednesday, October 21: hour by hour

  1. 00:0020°63%
  2. 01:0020°76%
  3. 02:0019°89%
  4. 03:0019°98%
  5. 04:0018°97%
  6. 05:0018°91%
  7. 06:0018°84%
  8. 07:0018°77%
  9. 08:0019°68%
  10. 09:0019°61%
  11. 10:0020°56%
  12. 11:0021°51%
  13. 12:0021°49%
  14. 13:0021°51%
  15. 14:0021°56%
  16. 15:0021°55%
  17. 16:0021°43%
  18. 17:0020°26%
  19. 18:0020°12%
  20. 19:0019°5%
  21. 20:0019°2%
  22. 21:0018° 
  23. 22:0018° 
  24. 23:0018° 

Weather nearby on October 21

Frequently asked questions

Will it rain in Jeju Island on Wednesday, October 21, 2026?
Yes, the chance of rain is 98%, with 4.6 mm of rain expected in total.
What will the temperature be in Jeju Island on Wednesday, October 21, 2026?
A high of 21°C and a low of 17°C are expected. Conditions: light rain.
What time are sunrise and sunset in Jeju Island on October 21, 2026?
Sunrise is at 06:41 and sunset at 17:52 (local time); day length 11 h 11 min.
How reliable is this forecast?
Forecasts for the first 3 days are usually highly accurate; this page is updated about every 30 minutes.

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