5-day weather forecast Seoul Nov 18, 2026
10°Weather forecast Seoul Wednesday Nov 18, 2026: patchy rain possible, temperature from 3 °C to 10 °C.
Precipitation probability 27%. Wind up to 5.5 m/s (gusts 12.08 m/s). Air humidity 55–88%, atmospheric pressure 761–764 mm Hg, UV index up to 2.2.
5 days at a glance — tap a day to open it
Sunrise 07:15
Sunset 17:19
Sunset 17:19
Waxing Gibbous73% illuminated
Moonrise 13:43 · Moonset 00:24
Moonrise 13:43 · Moonset 00:24
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 10 °C | 23% (0.03 mm/hr) | 61% | 87% | 764 mm Hg | WNW 282° 1.61 (3.39) m/s | 0 |
| 01:00 | Patchy rain possible | 10 °C | 25% (0.02 mm/hr) | 74% | 88% | 764 mm Hg | WNW 292° 1.81 (4.14) m/s | 0 |
| 02:00 | Patchy rain possible | 9 °C | 27% (0.01 mm/hr) | 88% | 88% | 763 mm Hg | WNW 298° 2 (5.08) m/s | 0 |
| 03:00 |  Partly cloudy | 9 °C | 16% | 30% | 88% | 763 mm Hg | WNW 298° 2.31 (5.78) m/s | 0 |
| 04:00 | Partly cloudy | 8 °C | 16% | 35% | 87% | 763 mm Hg | WNW 302° 2.61 (6.08) m/s | 0 |
| 05:00 | Partly cloudy | 7 °C | 18% | 57% | 86% | 763 mm Hg | WNW 303° 2.89 (6.33) m/s | 0 |
| 06:00 |  Overcast | 7 °C | 24% | 92% | 83% | 763 mm Hg | WNW 303° 2.69 (5.97) m/s | 0 |
| 07:00 | Overcast | 7 °C | 21% | 91% | 77% | 763 mm Hg | WNW 297° 3.19 (7.03) m/s | 0 |
| 08:00 | Patchy rain possible | 7 °C | 22% (0.04 mm/hr) | 95% | 72% | 764 mm Hg | WNW 298° 3.61 (7.03) m/s | 0 |
| 09:00 |  Overcast | 7 °C | 17% | 97% | 67% | 764 mm Hg | WNW 290° 3.11 (6.64) m/s | 0.3 |
| 10:00 |  Cloudy | 8 °C | 11% | 75% | 60% | 763 mm Hg | W 273° 3 (6.81) m/s | 0.6 |
| 11:00 | Patchy rain possible | 9 °C | 9% (0.01 mm/hr) | 67% | 56% | 763 mm Hg | W 266° 3.69 (8.31) m/s | 0.8 |
| 12:00 | Patchy rain possible | 9 °C | 17% (0.06 mm/hr) | 53% | 57% | 762 mm Hg | WSW 257° 4 (10.14) m/s | 2 |
| 13:00 | Patchy rain possible | 8 °C | 17% (0.09 mm/hr) | 58% | 62% | 761 mm Hg | W 281° 5 (10.53) m/s | 2.2 |
| 14:00 | Patchy rain possible | 8 °C | 14% (0.04 mm/hr) | 75% | 62% | 761 mm Hg | WNW 282° 4.31 (10.19) m/s | 0.9 |
| 15:00 | Patchy rain possible | 8 °C | 17% (0.09 mm/hr) | 65% | 60% | 761 mm Hg | WNW 283° 4.11 (9.92) m/s | 0.2 |
| 16:00 | Patchy rain possible | 8 °C | 9% (0.02 mm/hr) | 51% | 61% | 761 mm Hg | WNW 285° 4.31 (9.28) m/s | 0.3 |
| 17:00 | Patchy rain possible | 8 °C | 12% (0.02 mm/hr) | 60% | 66% | 761 mm Hg | WNW 289° 4.19 (8.44) m/s | 0 |
| 18:00 | Patchy rain possible | 7 °C | 16% (0.03 mm/hr) | 73% | 70% | 761 mm Hg | WNW 287° 4.31 (7.58) m/s | 0 |
| 19:00 | Patchy rain possible | 6 °C | 17% (0.06 mm/hr) | 52% | 75% | 761 mm Hg | WNW 299° 4.69 (8.53) m/s | 0 |
| 20:00 | Patchy rain possible | 5 °C | 11% (0.02 mm/hr) | 51% | 69% | 762 mm Hg | WNW 300° 4.89 (9.47) m/s | 0 |
| 21:00 | Partly cloudy | 4 °C | 8% | 40% | 66% | 763 mm Hg | WNW 301° 5.5 (10.67) m/s | 0 |
| 22:00 |  Clear | 3 °C | 5% | 16% | 60% | 764 mm Hg | NW 308° 5.31 (11.69) m/s | 0 |
| 23:00 | Clear | 3 °C | 3% | 7% | 55% | 764 mm Hg | NW 310° 5.11 (12.08) m/s | 0 |
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Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.