Keflavik International Airport (KEF) 15 Day Weather Forecast, Reykjavik Iceland
Current weather conditions and 15 day weather forecast for Keflavik International Airport in Reykjavik, Iceland 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 KEF
| 15 December 2025 Mon 0.3 ° C ( 32.5°F )  Partly cloudy |
Feels Like : -3 ° C / 26.6°F Humidity : % 93 Pressure : 973 mb Wind Speed : 10.1 kmph / 6.3 miles from NE 
Visibility : 10 km Precipitation (rainfall) : 0.09 mm Cloud (%) : 50 |
15-day weather forecast for Keflavik International Airport, Reykjavik, Iceland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 15 December 2025 Mon |  Patchy rain nearby |
1.7 ° C | 3.1 ° C | 2.3 ° C | % 84 | 17.6 km/h | 88% |
| 16 December 2025 Tue | Patchy rain nearby |
2.4 ° C | 4 ° C | 3.3 ° C | % 71 | 58.7 km/h | 88% |
| 17 December 2025 Wed |  Moderate rain |
4.8 ° C | 6.4 ° C | 5.7 ° C | % 82 | 74.9 km/h | 89% |
| 18 December 2025 Thu | Moderate rain |
4.5 ° C | 6.2 ° C | 5.6 ° C | % 82 | 44.6 km/h | 85% |
| 19 December 2025 Fri | Patchy rain nearby |
3.2 ° C | 5 ° C | 4.4 ° C | % 76 | 36.4 km/h | 85% |
| 20 December 2025 Sat |  Sunny |
1.5 ° C | 3 ° C | 2.3 ° C | % 74 | 56.2 km/h | 0% |
| 21 December 2025 Sun | Partly Cloudy |
0.9 ° C | 3.2 ° C | 2.1 ° C | % 68 | 44.3 km/h | 0% |
| 22 December 2025 Mon | Patchy rain nearby |
3.9 ° C | 7.1 ° C | 6.2 ° C | % 85 | 70.9 km/h | 88% |
| 23 December 2025 Tue | Moderate rain |
3 ° C | 4.8 ° C | 4.2 ° C | % 81 | 79.9 km/h | 89% |
| 24 December 2025 Wed | Patchy rain nearby |
4.8 ° C | 6 ° C | 5.5 ° C | % 68 | 60.5 km/h | 89% |
| 25 December 2025 Thu | Patchy rain nearby |
3.1 ° C | 4.5 ° C | 4.3 ° C | % 66 | 78.8 km/h | 82% |
| 26 December 2025 Fri | Patchy rain nearby |
5.5 ° C | 6.4 ° C | 6.1 ° C | % 69 | 51.1 km/h | 89% |
| 27 December 2025 Sat | Patchy rain nearby |
6.3 ° C | 8.6 ° C | 7.4 ° C | % 87 | 45.7 km/h | 88% |
| 28 December 2025 Sun | Partly Cloudy |
3.2 ° C | 4 ° C | 4.1 ° C | % 55 | 54 km/h | 0% |
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