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
| 13 December 2025 Sat 4 ° C ( 39.2°F )  Patchy rain nearby |
Feels Like : 0.2 ° C / 32.4°F Humidity : % 87 Pressure : 978 mb Wind Speed : 16.9 kmph / 10.5 miles from SW 
Visibility : 10 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 25 |
15-day weather forecast for Keflavik International Airport, Reykjavik, Iceland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 December 2025 Sat | Patchy rain nearby |
3.5 ° C | 6.9 ° C | 5.7 ° C | % 81 | 42.5 km/h | 89% |
| 14 December 2025 Sun |  Moderate rain |
2.8 ° C | 6 ° C | 5 ° C | % 78 | 79.6 km/h | 88% |
| 15 December 2025 Mon | Patchy rain nearby |
1.7 ° C | 3.9 ° C | 3.1 ° C | % 81 | 29.5 km/h | 88% |
| 16 December 2025 Tue | Patchy rain nearby |
2 ° C | 4.6 ° C | 3.4 ° C | % 73 | 48.2 km/h | 89% |
| 17 December 2025 Wed | Moderate rain |
2.9 ° C | 4.8 ° C | 3.8 ° C | % 85 | 67.7 km/h | 84% |
| 18 December 2025 Thu | Patchy rain nearby |
3.1 ° C | 3.9 ° C | 3.8 ° C | % 83 | 38.9 km/h | 75% |
| 19 December 2025 Fri | Patchy rain nearby |
1.2 ° C | 3.1 ° C | 2.5 ° C | % 84 | 34.2 km/h | 80% |
| 20 December 2025 Sat |  Blizzard |
0.1 ° C | 1.1 ° C | 0.9 ° C | % 84 | 47.5 km/h | 89% |
| 21 December 2025 Sun | Patchy rain nearby |
-0.2 ° C | 1.9 ° C | 1.1 ° C | % 80 | 60.1 km/h | 88% |
| 22 December 2025 Mon | Patchy rain nearby |
1.3 ° C | 3.2 ° C | 2.8 ° C | % 87 | 57.6 km/h | 87% |
| 23 December 2025 Tue |  Partly Cloudy |
0.6 ° C | 2.1 ° C | 1.4 ° C | % 74 | 22 km/h | 0% |
| 24 December 2025 Wed |  Overcast |
0.5 ° C | 2.5 ° C | 1.8 ° C | % 62 | 20.5 km/h | 0% |
| 25 December 2025 Thu | Overcast |
0.3 ° C | 1.5 ° C | 1.1 ° C | % 68 | 50.4 km/h | 0% |
| 26 December 2025 Fri | Moderate rain |
1.8 ° C | 6.8 ° C | 4.5 ° C | % 82 | 69.8 km/h | 87% |
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