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
| 21 December 2025 Sun -2.2 ° C ( 28°F )  Clear |
Feels Like : -3.3 ° C / 26.1°F Humidity : % 33 Pressure : 1031 mb Wind Speed : 3.6 kmph / 2.2 miles from NNE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Ab Airport, Osan, South Korea
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 22 December 2025 Mon | Sunny |
-2.3 ° C | 3.6 ° C | -0.1 ° C | % 32 | 9 km/h | 0% |
| 23 December 2025 Tue |  Moderate rain |
-0 ° C | 8.5 ° C | 4.1 ° C | % 69 | 18.7 km/h | 81% |
| 24 December 2025 Wed | Moderate rain |
1.5 ° C | 6 ° C | 4.3 ° C | % 78 | 17.3 km/h | 78% |
| 25 December 2025 Thu | Sunny |
-4.1 ° C | 0.5 ° C | -0.7 ° C | % 46 | 28.1 km/h | 0% |
| 26 December 2025 Fri | Sunny |
-5.5 ° C | -1.9 ° C | -4 ° C | % 28 | 25.6 km/h | 0% |
| 27 December 2025 Sat |  Overcast |
-4.2 ° C | 0.7 ° C | -2.2 ° C | % 26 | 5.4 km/h | 0% |
| 28 December 2025 Sun |  Partly Cloudy |
-1.2 ° C | 4.2 ° C | 0.6 ° C | % 51 | 5.8 km/h | 0% |
| 29 December 2025 Mon | Sunny |
-0.5 ° C | 5.8 ° C | 1.8 ° C | % 60 | 4.3 km/h | 0% |
| 30 December 2025 Tue | Overcast |
1.3 ° C | 7 ° C | 3.6 ° C | % 71 | 6.1 km/h | 0% |
| 31 December 2025 Wed |  Patchy rain nearby |
3.3 ° C | 9.4 ° C | 5.5 ° C | % 80 | 14.8 km/h | 87% |
| 01 January 2026 Thu | Partly Cloudy |
1.5 ° C | 4 ° C | 2.9 ° C | % 74 | 13.3 km/h | 0% |
| 02 January 2026 Fri |  Light freezing rain |
-1.3 ° C | 2.5 ° C | 1 ° C | % 63 | 23.8 km/h | 89% |
| 03 January 2026 Sat | Sunny |
-2.2 ° C | 1.9 ° C | -0.7 ° C | % 43 | 22 km/h | 0% |
| 04 January 2026 Sun | Patchy rain nearby |
-1.1 ° C | 6.1 ° C | 2.4 ° C | % 67 | 19.8 km/h | 84% |
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