Diyawanna Oya Seaplane Base (DWO) 15 Day Weather Forecast, Sri Jayawardenepura Kotte Sri Lanka
Current weather conditions and 15 day weather forecast for Diyawanna Oya Seaplane Base in Sri Jayawardenepura Kotte, Sri Lanka 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 DWO
| 21 December 2025 Sun 30.2 ° C ( 86.4°F )  Partly cloudy |
Feels Like : 34.3 ° C / 93.7°F Humidity : % 66 Pressure : 1009 mb Wind Speed : 17.6 kmph / 11 miles from NNW 
Visibility : 7 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 75 |
15-day weather forecast for Diyawanna Oya Seaplane Base, Sri Jayawardenepura Kotte, Sri Lanka
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun |  Patchy rain nearby |
22.6 ° C | 29.8 ° C | 25.4 ° C | % 78 | 18 km/h | 84% |
| 22 December 2025 Mon | Patchy rain nearby |
22.3 ° C | 30.1 ° C | 25.4 ° C | % 79 | 23 km/h | 82% |
| 23 December 2025 Tue |  Sunny |
22.4 ° C | 29.9 ° C | 25.4 ° C | % 76 | 25.9 km/h | 0% |
| 24 December 2025 Wed | Sunny |
21.4 ° C | 29.5 ° C | 24.8 ° C | % 71 | 21.6 km/h | 0% |
| 25 December 2025 Thu | Partly Cloudy |
21.4 ° C | 28.8 ° C | 24.5 ° C | % 71 | 19.1 km/h | 0% |
| 26 December 2025 Fri | Sunny |
20.7 ° C | 29.1 ° C | 24.3 ° C | % 72 | 18.7 km/h | 0% |
| 27 December 2025 Sat | Sunny |
21.4 ° C | 28.5 ° C | 24.4 ° C | % 76 | 18.4 km/h | 0% |
| 28 December 2025 Sun | Sunny |
21.1 ° C | 29 ° C | 24.8 ° C | % 78 | 19.4 km/h | 0% |
| 29 December 2025 Mon | Patchy rain nearby |
22.2 ° C | 28.9 ° C | 25.2 ° C | % 82 | 18.7 km/h | 88% |
| 30 December 2025 Tue | Partly Cloudy |
22.8 ° C | 28.4 ° C | 25.1 ° C | % 85 | 20.2 km/h | 0% |
| 31 December 2025 Wed | Patchy rain nearby |
22.6 ° C | 27.4 ° C | 24.8 ° C | % 85 | 21.2 km/h | 84% |
| 01 January 2026 Thu | Partly Cloudy |
23 ° C | 28.8 ° C | 25.3 ° C | % 75 | 22.7 km/h | 0% |
| 02 January 2026 Fri | Sunny |
21.6 ° C | 29.8 ° C | 25.1 ° C | % 73 | 19.1 km/h | 0% |
| 03 January 2026 Sat | Sunny |
21.1 ° C | 30.2 ° C | 24.9 ° C | % 66 | 25.2 km/h | 0% |
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