Is the Hangang River Festival-Fall free?

Yes — entry is free, though some programmes within the festival are paid. It runs Sat 17 – Sun 25 October along the Hangang.

What's the single best free thing this week?

The Nowon Moonlight Walk opens Friday along Danghyeoncheon stream, 17:30–22:00 nightly, free. It then runs through 8 November.

Will it rain on the weekend?

Saturday looks clear with a high of 23 °C. Sunday brings an 80 % rain chance — plan outdoor festivals for Saturday if you can.

What does Culture Day get me on Wednesday 14 October?

Participating museums, galleries and theatres run free or discounted entry, mostly in the evening. Discounts vary by venue — check each one.

Is the National Museum of Korea open late this week?

Yes — the permanent collection is free daily, and the museum stays open until 21:00 on Wednesday and Saturday.

Where can I eat and drink outdoors this week?

Gala Octoberfest runs Fri–Sun 16:00–22:00 at Garak Mall's rooftop park, free entry. Seoul Forest also hosts the Urban Agriculture Expo on Fri–Sat.

This Week in Seoul: 12–18 October 2026

This is a week of two halves. Monday opens with heavy rain and a muggy 28 °C high, then the temperature falls almost ten degrees overnight into a cold, clear midweek — a jacket week by Wednesday morning. Dust stays low. The weekend turns bright and mild on Saturday before rain returns on Sunday. The one thing not to miss: the Hangang River Festival-Fall opens Saturday 17 October along the river and runs through 25 October, free. Saturday is also the day for the Gangdong Prehistoric Festival in Amsa-dong and the Urban Agriculture Expo at Seoul Forest / 서울숲. Plan outdoor plans for Saturday, indoor plans for Sunday.

28 °C → 17 °C in 48 hours — Monday's muggy rain gives way to a clear, cold Wednesday. Keep a real jacket by the door from Tuesday night.

What's the weather in Seoul this week?

Day	High / Low	Sky	Rain	Wear
Mon 12 Oct	28 °C / 18 °C	Overcast	80 %	Umbrella, light shirt
Tue 13 Oct	22 °C / 14 °C	Mostly clear	80 %	Light jacket, umbrella
Wed 14 Oct	17 °C / 11 °C	Clear	0 %	Warm jacket
Thu 15 Oct	19 °C / 10 °C	Mostly clear	0 %	Jacket, layers
Fri 16 Oct	20 °C / 13 °C	Mostly cloudy	20 %	Light jacket
Sat 17 Oct	23 °C / 13 °C	Clear	0 %	Long sleeve
Sun 18 Oct	22 °C / 14 °C	Partly cloudy	80 %	Umbrella, layers

Fine-dust outlook: no data for the week — check the air before long outdoor plans. Forecast: MET Norway, issued 2026-10-11 14:18 KST. Check again before you go.

Seoul, Mon 12 – Sun 18: daily high and low in °C, chance of rain, and what to wear. Umbrella days: Mon, Tue, Sun. Source: MET Norway, issued 2026-10-11 14:18 KST.

What should I wear?

Weekday commute: a crisp white T-shirt under an open light cotton overshirt, tapered chinos, clean white sneakers, a small crossbody bag · Weekend outdoors: a light quilted jacket over a hoodie, relaxed jeans, trail sneakers, a beanie in hand · The wet day (Mon): a belted beige trench coat, dark straight jeans, waterproof Chelsea boots, a compact black umbrella held open — Weekday commute · Weekend outdoors · The wet day (Mon) — three ways to dress for this week's forecast.

Weekday commute: a proper jacket from Tuesday evening onward — Wednesday morning will feel cold at 11 °C and Thursday's low drops to 10 °C.

Weekend outdoors: Saturday is the day to be outside — long sleeves, no jacket needed in the afternoon at 23 °C.

The wet day: Monday is the heavy one. Full-size umbrella, lighter shirt — it's still 28 °C under the clouds. A small umbrella is enough for Sunday.

What's free in Seoul this week?

Seoul National University Museum of Art. Photo: Ismoon (talk) 14:52, 16 June 2018 (UTC), CC BY-SA 4.0, via Wikimedia Commons (file, licence).

Nowon Moonlight Walk (노원달빛산책) — Fri 16 Oct – Sun 8 Nov, 17:30–22:00 nightly — Danghyeoncheon stream, Nowon-gu — Free — Light-sculpture works along the stream with community art pieces and resident-led "moonlight tour" docents. — Details
Dancing Gwangjin 2026 (춤추는 광진) — Sat 17 Oct, 14:00–18:00 — Open Stage, Seoul Children's Grand Park — Free — A community arts festival for Gwangjin-gu residents. — Details
5th Emerging Young Artists Relay Exhibition "Sa, Bang. Tak, Ja." (사, 방. 탁, 자.) — Mon 12 Oct – Sun 25 Oct, 10:00–18:00 — Gallery Hub, 4F outdoor gallery, Wangsimni Bit Plex — Free — Selected works from the 5th emerging young artists open call. — Details
Seoul National University 80th Anniversary Exhibition "A New Future" (새로운 미래) — Tue 13 Oct – Sun 22 Nov, Tue–Sun 10:00–18:00, closed Mondays and 15 Oct — Seoul National University Museum of Art, Core Lounge (B1·B2) and Lecture Hall (2F); Seoul Nat'l Univ. station (line 2), then bus 5511 or 5513 — Free — A commemorative exhibition for SNU's 80th anniversary. — Details
Seocho Women's Choir 16th Regular Concert "First Love" (첫사랑) — Tue 13 Oct, 19:30 — Banpo Simsan Art Hall — Free (all seats) — The 16th regular concert of the Seocho-gu Women's Choir. — Details
Puppet Play "His Day" (그의 하루) — Wed 14 Oct – Thu 15 Oct, 19:30 — Jindallae Hall, Gangbuk Culture and Arts Centre — Free — A puppet play staged over two evenings. — Details
Seoul Gallery Lunch Stage: One-Person Orchestra Roro Company (런치 스테이지 [1인 오케스트라 로로컴퍼니]) — Wed 14 Oct, 12:30–13:00 — Seoul Gallery, B1 performance hall, Korea Press Center; City Hall (lines 1/2), exit 4 — Free — A 30-minute lunchtime performance. — Details
Independence Heroes, A Heart Sent to the Stars — Outdoor Concert (독립 영웅, 별에 보내는 마음) — Wed 14 Oct, 17:30–20:30 — Taegeukgi Lawn Plaza, Seodaemun Prison History Hall — Free — An outdoor music performance on the lawn plaza. — Details

What does a student ID or ARC get me this week?

National Museum of Korea. Photo: Ethan Doyle White, CC BY-SA 4.0, via Wikimedia Commons (file, licence).

Culture Day (문화가 있는 날) — Every Wednesday since 1 April 2026, participating museums, galleries, theatres and sports venues run free or discounted entry, mostly in the evening — Needs: anyone; discounts vary by venue — Details Cinemas only join on the second and last Wednesday of the month: ₩10,000 tickets 17:00–21:00.
National Museum of Korea (국립중앙박물관) — Permanent collection free every day; open until 21:00 on Wednesday and Saturday — Needs: anyone — Details
Seoul free guided walking tours — 40+ routes led by volunteer guides in seven languages, free, booked three days ahead — Needs: anyone; booking required — Details

Which festivals and concerts are on?

Phone-Free Book Club in a City Garden (도심 정원에서 만나는 폰-프리 북클럽) — Fri 16 Oct – Fri 23 Oct, Fridays 18:30–19:30 (confirm date on the sign-up form) — The Rooftop mini garden, 7F, I'Park Mall Yongsan — ₩10,000 — An evening book club in a rooftop garden, phones away. — Details
Concert Installation "Moving In Between" (움직이는 사이) — Mon 12 Oct, 17:00 and 19:30 (two shows) — Wooran 2nd Stage, Wooran Foundation — ₩20,000 — A WhatWhy Art project with the Andromeda Mega Express Orchestra, mixing Korean traditional instruments with electronics as players and audience move through the space. — Details
2026 Korea Gugak Orchestra Festival — Seongnam City Gugak Orchestra (2026 대한민국국악관현악축제) — Tue 13 Oct, 19:30 — Sejong M Theater — ₩10,000, all seats — Part of the national gugak orchestra festival. — Details
2026 Seoripul Jazz Festa — A Night in New Orleans — Wed 14 Oct, 19:30 — Banpo Simsan Art Hall — R ₩20,000, S ₩15,000 — A New Orleans-themed night in the Seoripul Jazz Festa series. — Details
11th M Classic Festival "One Resonance" (하나의 울림) — Wed 14 Oct, 19:30 — Art Hall Mac, Mapo Art Center — Free (R ₩30,000, S ₩20,000) — The Mapo Foundation's M Classic Festival; the brief lists this entry as free despite the stated seat prices — confirm on the listing before you go. — Details

What's happening at the river, parks and malls?

Seoul Forest. Photo: Drcbrothephotographer, CC0, via Wikimedia Commons (file, licence).

3rd Garak Octoberfest 2026 (가락 옥토버페스트) — Fri 16 Oct – Sun 18 Oct, Fri/Sat/Sun 16:00–22:00 — Sky Park, 3F, Garak Mall — Free — Three evenings on the rooftop park. — Details
31st Gangdong Prehistoric Culture Festival (강동선사문화축제) — Fri 16 Oct – Sun 18 Oct, Fri 18:00–21:00, Sat–Sun 10:00–21:00 — Amsa-dong Prehistoric Site and Amsa History Park area — Free — The city's annual prehistoric-culture festival at the Amsa-dong site. — Details
2026 Seoul Urban Agriculture Expo (서울도시농업박람회) — Fri 16 Oct – Sat 17 Oct, 09:00–18:00 — Seoul Forest (서울숲), Dongbu Park Leisure Centre area; Seoul Forest station (Suin-Bundang line), exit 3 — Free — The city's urban-farming expo in Seoul Forest. — Details
2026 Hangang River Festival-Fall (한강페스티벌-가을) — Sat 17 Oct – Sun 25 Oct, times vary by programme — Hangang River water and park areas (centred on Jamwon and Gangseo) — Free entry, some programmes paid — The autumn edition of the Hangang River Festival. — Details
9th Eoreuni Market (어르니마켓) — Sat 17 Oct – Sun 25 Oct, weekends 12:00–19:00 — Outdoor Plaza, Common Ground — Free — A weekend market in the Common Ground outdoor plaza. — Details

This guide comes out every Sunday.

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