The weather has turned sharply chilly.

This morning (Oct. 6), temperatures fell below average.

Daytime temperatures are expected to reach 22°C (72°F) in Seoul, typical for this time of autumn.

Starting tomorrow, daytime temperatures will gradually rise, widening the temperature gaps between morning and night.

Be sure to carry an outer layer with you.

Gale advisories have been issued for the distant southern waters off Jeju and the outer distant waters of the eastern South Sea.

Vessels navigating or operating in these areas need to exercise special caution.

Leaving behind yesterday's gloomy skies, today will feature clear weather.

Let us take a closer look at daytime temperatures by region.

The daytime highs are forecast at 22°C (72°F) in Cheongju and Daejeon, and 23°C (73°F) in Daegu.

Tomorrow morning, frost or thin ice may form mainly in the eastern mountainous areas, so crop management is advised.

Skies will remain clear for the time being.

During the Hangeul Day holiday weekend, a brief spell of late-season heat will return, with Seoul's daytime high climbing up to 27°C (81°F).

(Weathercaster Ahn Su-jin)