[Weather Tomorrow] Morning Lows Drop to 10 Degrees... Beware of Temperature Fluctuations

Daytime Highs Reach 30 Degrees Celsius

On Friday the 11th, inland areas across the country are expected to experience a large temperature difference between day and night.

The feel of the wind blowing in the morning and evening has changed. Autumn has suddenly arrived. On September 4, 2026, tourists visiting Namsan in Seoul are enjoying their time while looking at Seoul's clear autumn sky. Photo by Jo Yongjun

The morning low is forecast to range from 10 to 20 degrees Celsius, while the daytime high will be between 24 and 30 degrees Celsius. Given the significant difference between day and night temperatures, it is important to take care of your health.

Fine dust concentrations are expected to be at a “good” level nationwide.

High seas warnings remain in effect for the far eastern part of the South Sea and the waters around Jeju Island, and strong swells continue to impact the east coast and coastal areas of Jeju, so particular caution is needed for safety.

Waves are expected to reach 0.5 to 2.0 meters on the East Sea’s coastal waters, 0.5 to 1.0 meters on the West Sea’s coastal waters, and 0.5 to 1.5 meters on the South Sea’s coastal waters.

Wave heights in the offshore areas (about 200 km from the coastline) are expected to range between 0.5 and 2.5 meters in the East Sea, 0.5 and 1.5 meters in the West Sea, and 1.0 and 2.5 meters in the South Sea.

This content was produced with the assistance of AI translation services.