Weekly weather: Rain on the 13th, clear midweek, then rain again on the 18th

Seoul: Heavy rain on the 13th, clear midweek, then heavy rain again on the 18th

Seoul is forecast to see heavy rain or a storm under the influence of a low-pressure system on Tuesday, October 13, followed by cloudy skies, with a 70% chance of precipitation. As a cold front and low-pressure system move away on the 14th and 15th, skies will be clear and temperatures chilly, with lows falling to 9°C. High pressure will settle in on the 16th and 17th, bringing a mix of cloudy and sunny skies and highs of 24–25°C. Strong rain or a storm is forecast to return on Sunday, the 18th, with a 90% chance of precipitation. Rain is expected on the 19th, followed by gradually clearing skies.

Busan and Gangneung: Clear midweek, with rain on the 18th and 19th

Heavy rain or storms are forecast to pass through Busan and Gangneung on Tuesday, October 13, under the influence of a cold front and low-pressure system. The chance of precipitation is 80% in Busan and 60% in Gangneung. Skies will be clear and dry as a cold front passes on the 14th and high pressure moves through on the 15th. High pressure will remain in place on the 16th and 17th, bringing mostly sunny skies with occasional clouds. Highs will reach 26°C in Busan and 23°C in Gangneung. On the 18th, Busan is forecast to turn cloudy before rain arrives, while Gangneung will see rain with occasional breaks; the chance of precipitation will rise to 70–80%. On the 19th, Busan is expected to clear, while Gangneung will remain cloudy with occasional rain.

Jeju: Rain on the 13th, clear midweek, then rain again from the 18th

Rain is forecast in Jeju on Tuesday, October 13, under the influence of a low-pressure system, followed by gradually clearing skies. The chance of precipitation is 60%. A stationary front will pass on the 14th, but skies are forecast to be clear and dry. On the 15th, high pressure will expand northeastward from the southwest, bringing clear skies and highs of 20–22°C. The 16th will be mostly sunny with occasional clouds. Skies will turn cloudy on the 17th under the influence of a ridge, with the high reaching 26°C. Cloudy skies with occasional rain are forecast on the 18th, with a 60% chance of precipitation. Rain is expected on the 19th, followed by cloudy skies, and the chance of precipitation will rise to 70%.