Ab Airport (OSN) 15 Day Weather Forecast, Osan South Korea
Current weather conditions and 15 day weather forecast for Ab Airport in Osan, South Korea including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at OSN
| 12 September 2026 Sat 24.6 ° C ( 76.4°F )  Overcast |
Feels Like : 25.6 ° C / 78.1°F Humidity : % 52 Pressure : 1020 mb Wind Speed : 3.6 kmph / 2.2 miles from ESE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Ab Airport, Osan, South Korea
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 12 September 2026 Sat |  Smoky haze |
16 ° C | 24.6 ° C | 20.2 ° C | % 67 | 7.9 km/h | 16% |
| 13 September 2026 Sun | Smoky haze |
17.8 ° C | 22.2 ° C | 19.9 ° C | % 71 | 6.8 km/h | 18% |
| 14 September 2026 Mon | Overcast |
16.9 ° C | 25.5 ° C | 20.6 ° C | % 67 | 19.4 km/h | 9% |
| 15 September 2026 Tue |  Sunny |
14.2 ° C | 22.9 ° C | 18.2 ° C | % 67 | 15.1 km/h | 6% |
| 16 September 2026 Wed | Sunny |
14.7 ° C | 25.6 ° C | 19.3 ° C | % 68 | 10.1 km/h | 6% |
| 17 September 2026 Thu | Overcast |
15.9 ° C | 25.7 ° C | 20.6 ° C | % 64 | 10.1 km/h | 9% |
| 18 September 2026 Fri | Overcast |
18.5 ° C | 24.6 ° C | 21 ° C | % 67 | 14.4 km/h | 17% |
| 19 September 2026 Sat | Sunny |
19 ° C | 26.6 ° C | 21.6 ° C | % 69 | 10.4 km/h | 9% |
| 20 September 2026 Sun | Sunny |
17.4 ° C | 27.8 ° C | 22 ° C | % 65 | 10.1 km/h | 4% |
| 21 September 2026 Mon | Sunny |
17.3 ° C | 28.1 ° C | 22 ° C | % 66 | 10.4 km/h | 6% |
| 22 September 2026 Tue | Overcast |
20.5 ° C | 26.8 ° C | 22.9 ° C | % 75 | 13 km/h | 21% |
| 23 September 2026 Wed | Overcast |
18.5 ° C | 22.8 ° C | 21.2 ° C | % 73 | 25.6 km/h | 19% |
| 24 September 2026 Thu | Sunny |
15.8 ° C | 20.7 ° C | 18.4 ° C | % 60 | 33.5 km/h | 3% |
| 25 September 2026 Fri | Sunny |
13.2 ° C | 20.7 ° C | 16.9 ° C | % 62 | 22 km/h | 5% |
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