Jeju-si (Jeju City)
10 day weather forecast for Jeju-si
Friday, 30th October 2026, at 14:19
Today
18° 16°
Tomorrow
19° 12°
Sunday
21° 12°
Monday
18° 13°
Tuesday
16° 12°
Wednesday
18° 15°
Thursday
18° 16°
Seemore
Jeju-si Weather Pages
Jeju-si weather forecast
The weather forecast for Jeju-si over the next 5 days indicates chilly conditions with temperatures ranging from 16 °C to 21 °C.
Rain is expected on today, Sunday, and Monday.
Wind speeds are expected to be strong, averaging around 24.1 km/h.
Jeju-si 14 days weather forecast
This weeks weather in Jeju-si. Click on a date for detailed forecasts
Fri. 30
18°
16°
2.4 mm
Sat. 31
19°
12°
0 mm
Sun. 1
21°
12°
7.4 mm
Mon. 2
18°
13°
13.9 mm
Tue. 3
16°
12°
0 mm
Wed. 4
18°
15°
0.3 mm
Thu. 5
18°
16°
12 mm
Fri. 6
15°
10°
1.7 mm
Sat. 7
13°
9°
0 mm
Sun. 8
12°
9°
0 mm
Mon. 9
12°
8°
0.1 mm
Tue. 10
11°
8°
0.8 mm
Wed. 11
10°
8°
0 mm
Thu. 12
14°
9°
0 mm
Further Ahead
You can click on date
Access Jeju-si weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Jeju-si long range weather forecast
30 day weather forecast for Jeju-si
Important Notice
Our Jeju-si long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.
Rain Forecast for the Next 14 Days in Jeju-si
A total of 38.6 mm is expected over 5 rainy days. The wettest day is Monday 2, with 13.9 mm. Click a day for details.
Jeju-si Wind Speed Forecast Chart
The windiest day is Sunday 1, with winds up to 35.6 km/h from the S. The calmest day is Monday 9. The average daily maximum is 20.5 km/h.
Fri. 30
24.1 km/h
W · Moderate breeze
Sat. 31
19.1 km/h
NW · Gentle breeze
Sun. 1
35.6 km/h
S · Fresh breeze
Mon. 2
28.8 km/h
NW · Moderate breeze
Tue. 3
17.3 km/h
NE · Gentle breeze
Wed. 4
21.6 km/h
E · Moderate breeze
Thu. 5
23.8 km/h
NW · Moderate breeze
Fri. 6
31.3 km/h
N · Fresh breeze
Sat. 7
18.4 km/h
N · Gentle breeze
Sun. 8
15.5 km/h
N · Gentle breeze
Mon. 9
9.4 km/h
N · Light breeze
Tue. 10
20.9 km/h
N · Moderate breeze
Wed. 11
10.8 km/h
N · Light breeze
Thu. 12
10.4 km/h
NW · Light breeze
CalmLight breezeGentle breezeModerate breezeFresh breeze
Frequently asked questions about the weather in Jeju-si
How warm is it in Jeju-si over the next 14 days?
Over the next two weeks, temperatures in Jeju-si are expected to range from around 8 °C on the coldest nights up to about 21 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Jeju-si in the next two weeks?
Yes - rain is expected on about 5 of the next 14 days in Jeju-si, with roughly 38.6 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Jeju-si?
Maximum wind speeds in Jeju-si are forecast to reach about 35.6 km/h at their peak over the next 14 days.
When is the best time to visit Jeju-si?
For a month-by-month look at temperatures and rainfall, see our best time to visit Jeju-si guide.
How accurate is the 14-day forecast for Jeju-si?
Our Jeju-si forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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