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
| 18 December 2025 Thu 7.8 ° C ( 46°F )  Sunny |
Feels Like : 7.8 ° C / 46.1°F Humidity : % 40 Pressure : 1025 mb Wind Speed : 3.6 kmph / 2.2 miles from NW 
Visibility : 16 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 |
|---|---|---|---|---|---|---|---|
| 18 December 2025 Thu | Sunny |
0.7 ° C | 6.4 ° C | 3.1 ° C | % 49 | 9 km/h | 0% |
| 19 December 2025 Fri |  Partly Cloudy |
1.4 ° C | 9 ° C | 4.6 ° C | % 59 | 10.8 km/h | 0% |
| 20 December 2025 Sat |  Patchy rain nearby |
3.7 ° C | 11 ° C | 7.6 ° C | % 82 | 16.9 km/h | 89% |
| 21 December 2025 Sun | Partly Cloudy |
-0.6 ° C | 2.5 ° C | 0.9 ° C | % 35 | 22 km/h | 0% |
| 22 December 2025 Mon | Sunny |
-1.1 ° C | 7 ° C | 1.9 ° C | % 41 | 9.7 km/h | 0% |
| 23 December 2025 Tue | Patchy rain nearby |
1.4 ° C | 7.3 ° C | 4.1 ° C | % 77 | 14 km/h | 64% |
| 24 December 2025 Wed | Patchy rain nearby |
-2.3 ° C | 6 ° C | 3.3 ° C | % 67 | 31 km/h | 81% |
| 25 December 2025 Thu | Sunny |
-3.1 ° C | 0.9 ° C | -1.6 ° C | % 41 | 26.6 km/h | 0% |
| 26 December 2025 Fri | Partly Cloudy |
-1.5 ° C | 3.6 ° C | 0.4 ° C | % 55 | 6.8 km/h | 0% |
| 27 December 2025 Sat |  Overcast |
0.8 ° C | 6.8 ° C | 3 ° C | % 64 | 10.8 km/h | 0% |
| 28 December 2025 Sun | Sunny |
1.6 ° C | 5.7 ° C | 3.4 ° C | % 67 | 18.4 km/h | 0% |
| 29 December 2025 Mon | Overcast |
0.3 ° C | 4.1 ° C | 1.9 ° C | % 58 | 4.7 km/h | 0% |
| 30 December 2025 Tue | Patchy rain nearby |
-1.6 ° C | 3 ° C | 1.4 ° C | % 73 | 25.2 km/h | 70% |
| 31 December 2025 Wed | Sunny |
-4.8 ° C | -1.8 ° C | -3.4 ° C | % 44 | 27.4 km/h | 0% |
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