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Weather in Incheon — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Incheon
+26°
Partly cloudy
Feels like +31° · humidity 90%
Tue 28.7: +29° / +25°
🕐 08:25
Wind
9 km/h
UV index
2
Air (AQI)
35 · Good
Precipitation
86%
Humidity
90%
Pressure
1013 hPa
Sunrise / sunset
05:34 / 19:45
Sea temperature
🌊 +29°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.
☂️ Take an umbrellaFeels warmer by 5°
Weather for an activity:

Detailed weather information for Incheon

Tuesday, 28 July, in Incheon (South Korea): partly cloudy, warm. During the day the air will warm up to +29°, at night around +25°. Wind up to 13 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +29° — great for swimming. The sun will rise at 05:34 and set at 19:45 — daylight lasts 14 hours.

Hourly weather in Incheon

🌅 sunrise 05:34 🌇 sunset 19:45🌤️☀️🌙🌙🌙🌙+26°+28°+28°+27°+25°+25°+25°+25°2%1%08:0011:0014:0017:0020:0023:0002:0005:00
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Incheon for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
Tue 28.7
☁️
💧 86%
+25° +29°
Morning
☁️
+26°
Day
☁️
+29°
Evening
🌇
+28°
Night
🌙
+25°
Overcast · precipitation 86% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Today 29.7
☁️
💧 2%
+25° +28°
Morning
+26°
Day
☁️
+28°
Evening
🌇
+26°
Night
🌙
+25°
Overcast · precipitation 2% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tomorrow 30.7
☁️
💧 32%
+25° +28°
Morning
🌤️
+26°
Day
☁️
+28°
Evening
🌇
+26°
Night
🌙
+25°
Overcast · precipitation 32% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 31.7
☁️
💧 59%
+25° +29°
Morning
☁️
+26°
Day
☁️
+29°
Evening
🌇
+28°
Night
🌙
+25°
Overcast · precipitation 59% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 1.8
⛈️
💧 69%
+25° +31°
Morning
⛈️
+27°
Day
⛈️
+31°
Evening
🌇
+30°
Night
🌙
+25°
Thunderstorm · precipitation 69% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 2.8
🌦️
💧 10%
+26° +32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+31°
Night
🌙
+26°
Drizzle · precipitation 10% · wind up to 12 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Mon 3.8
☁️
💧 32%
+26° +35°
Morning
☁️
+29°
Day
☁️
+35°
Evening
🌇
+33°
Night
🌙
+26°
Overcast · precipitation 32% · wind up to 14 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Tue 4.8
🌦️
💧 46%
+29° +36°
Morning
🌦️
+32°
Day
🌦️
+36°
Evening
🌇
+34°
Night
🌙
+29°
Drizzle · precipitation 46% · wind up to 9 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Wed 5.8
⛈️
💧 31%
+28° +35°
Morning
⛈️
+31°
Day
⛈️
+35°
Evening
🌇
+33°
Night
🌙
+28°
Thunderstorm · precipitation 31% · wind up to 10 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Thu 6.8
🌦️
💧 17%
+27° +36°
Morning
🌦️
+30°
Day
🌦️
+36°
Evening
🌇
+34°
Night
🌙
+27°
Drizzle · precipitation 17% · wind up to 6 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Fri 7.8
☁️
💧 25%
+27° +37°
Morning
☁️
+31°
Day
☁️
+37°
Evening
🌇
+35°
Night
🌙
+27°
Overcast · precipitation 25% · wind up to 16 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Sat 8.8
☁️
💧 34%
+27° +37°
Morning
☁️
+31°
Day
☁️
+37°
Evening
🌇
+35°
Night
🌙
+27°
Overcast · precipitation 34% · wind up to 16 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Sun 9.8
⛈️
💧 41%
+28° +37°
Morning
⛈️
+31°
Day
⛈️
+37°
Evening
🌇
+35°
Night
🌙
+28°
Thunderstorm · precipitation 41% · wind up to 13 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
Mon 10.8
🌦️
💧 38%
+28° +36°
Morning
🌦️
+31°
Day
🌦️
+36°
Evening
🌇
+34°
Night
🌙
+28°
Drizzle · precipitation 38% · wind up to 11 km/h.
☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
31 / 100
for sea and sun · So-so
🏊 Swimming
0 / 100
water 29° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
18%
moderate · low
☂️ Rain
86%
likely · high
✨ Stars
28 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad

🌫️ Air quality

35
Good air
European AQI
PM2.5: 11PM10: 14O₃: 50NO₂: 17
The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise
05:34
Sunset
19:45
Golden hour
19:08
Daylight
14 h (-2 min vs yesterday)
Sea temperature
+29°
🌊 calm, waves 0.2 m.

Incheon climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+1°
-6°
Jan
+4°
-4°
Feb
+9°
+0°
Mar
+14°
+6°
Apr
+20°
+12°
May
+24°
+17°
Jun
+26°
+21°
Jul
+28°
+23°
Aug
+24°
+18°
Sep
+18°
+11°
Oct
+11°
+3°
Nov
+4°
-3°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month Day Night Sea Precipitation What to pack and what makes the month notable (events, nuances)
January +1° -6° +3° 18 mm Freezing: +1° by day, -6° at night — full winter gear, ice underfoot is common. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+3°) — swimming is for the brave. This is the coldest month of the year.
February +4° -4° +2° 25 mm Winter weather: about +4° daytime, you need a warm coat and hat. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+2°) — swimming is for the brave.
March +9° +0° +6° 35 mm A cold month: +9° by day, long walks get uncomfortable. 🧥 a warm jacket. The water is cold (+6°) — swimming is for the brave.
April +14° +6° +12° 64 mm Cool: around +14° by day, you'll need a warm layer. It's a rainy month (64 mm) — an umbrella is a must. 🧥 a warm jacket. The water is cold (+12°) — swimming is for the brave.
May +20° +12° +17° 92 mm Ideal weather: +20° daytime — neither hot nor cold. Frequent rain (92 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening. The water is cold (+17°) — swimming is for the brave.
June +24° +17° +23° 122 mm The most pleasant season: +24° by day, comfortable all day long. One of the wettest months (122 mm): downpours can derail plans. 🙂 a sweater for the evening. Water at +23° — great for swimming. The longest daylight hours of the year — more time for everything.
July +26° +21° +28° 302 mm Warm and comfortable: +26° by day, +21° at night. It's a rainy month (302 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming. Statistically the wettest month of the year.
August +28° +23° +30° 248 mm Gentle warmth — about +28° daytime, great walking weather. Frequent rain (248 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Incheon.
September +24° +18° +27° 120 mm The most pleasant season: +24° by day, comfortable all day long. One of the wettest months (120 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming. Weather-wise, one of the three best months to visit.
October +18° +11° +21° 54 mm One of the best times to visit: +18° by day, fresh nights. 🙂 a sweater for the evening. Sea at +21° — swimmable, refreshing. Weather-wise, one of the three best months to visit.
November +11° +3° +15° 48 mm A fresh month — +11° daytime, take a jacket for walks. 🧥 a warm jacket. The water is cold (+15°) — swimming is for the brave.
December +4° -3° +8° 23 mm A cold month: +4° by day, long walks get uncomfortable. ❄️ a warm jacket, a hat, non-slip shoes. The water is cold (+8°) — swimming is for the brave. The shortest daylight of the year — it gets dark early.

When to visit Incheon

✅ Recommended time to visit
🌟 Best time: June, September, October
Daytime air+18…+24°
Sea temperature+21…+27°
Precipitationoften
Why: comfortable +18…+24° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, March, April, May, July
Daytime air+1…+26°
Sea temperature+2…+28°
Precipitationoften
Why: noticeable rain risk (18–302 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: August, November, December
Daytime air+4…+28°
Sea temperature+8…+30°
Precipitationoften
Why: cold and dark (+4…+28° by day, 10 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Incheon is June, September, October, and the most comfortable months are June, September, October. The toughest months to visit are August, November, December: frequent rain.

🌡️ Today vs the climate normal

Today's high
+29°
Normal for July
+26°
Deviation
3° warmer than normal
A year ago on this day
+36°
Record for this date
+36° (2025)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Incheon

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Incheon

Frequently asked questions about the weather in Incheon

What is the weather in Incheon right now?
Partly cloudy, +26°, feels like +31°.
Will it rain in Incheon today?
Yes: 86% chance, 0 mm.
When is the best time to visit Incheon?
Best time to visit — June, September, October.
Can you swim in Incheon in summer?
In winter the water is around +4° — swimming is for the brave. In summer the sea warms up to +27°.
What time are sunrise and sunset in Incheon?
Sunrise 05:34, sunset 19:45.
Does it snow in Incheon in winter?
Yes, snow is possible in January, February, December.
What is the climate in Incheon by month?
Summers up to +28° in August, winters around -6° in January; the wettest month is July.
Is it cold in Incheon in winter?
❄️ Cold, around zero and below. A warm jacket and a hat are a must; ice is common — you'll need non-slip shoes.
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Data: Open-Meteo (CC-BY 4.0), met.no, NWS · radar RainViewer · archive since 1940 · © wweather1 · TrafficAdv LLC