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
| 21 December 2025 Sun 5.3 ° C ( 41.5°F )  Overcast |
Feels Like : -0.1 ° C / 31.8°F Humidity : % 100 Pressure : 1005 mb Wind Speed : 37.1 kmph / 23 miles from ESE 
Visibility : 10 km Precipitation (rainfall) : 0.22 mm Cloud (%) : 100 |
15-day weather forecast for Keflavik International Airport, Reykjavik, Iceland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun |  Patchy rain nearby |
6.2 ° C | 8.3 ° C | 7.9 ° C | % 90 | 46.8 km/h | 87% |
| 22 December 2025 Mon |  Moderate rain |
3.4 ° C | 7.5 ° C | 6.9 ° C | % 86 | 65.5 km/h | 88% |
| 23 December 2025 Tue | Moderate rain |
3.1 ° C | 7.9 ° C | 6.2 ° C | % 77 | 58.7 km/h | 89% |
| 24 December 2025 Wed | Moderate rain |
7.9 ° C | 8.8 ° C | 8.4 ° C | % 88 | 65.2 km/h | 76% |
| 25 December 2025 Thu | Moderate rain |
4.6 ° C | 8.1 ° C | 7.2 ° C | % 80 | 59 km/h | 73% |
| 26 December 2025 Fri | Patchy rain nearby |
3.7 ° C | 5.1 ° C | 4.7 ° C | % 66 | 65.5 km/h | 88% |
| 27 December 2025 Sat | Moderate rain |
7.1 ° C | 9.1 ° C | 8.4 ° C | % 91 | 75.2 km/h | 87% |
| 28 December 2025 Sun | Patchy rain nearby |
7.5 ° C | 8.4 ° C | 8.2 ° C | % 84 | 43.2 km/h | 85% |
| 29 December 2025 Mon | Patchy rain nearby |
7.9 ° C | 8.2 ° C | 8.1 ° C | % 85 | 29.5 km/h | 89% |
| 30 December 2025 Tue | Patchy rain nearby |
7.9 ° C | 8.3 ° C | 8.2 ° C | % 93 | 55.8 km/h | 88% |
| 31 December 2025 Wed | Patchy rain nearby |
3.4 ° C | 4.3 ° C | 4.5 ° C | % 71 | 69.1 km/h | 88% |
| 01 January 2026 Thu | Patchy rain nearby |
1.5 ° C | 2.8 ° C | 2.4 ° C | % 58 | 68.8 km/h | 86% |
| 02 January 2026 Fri | Patchy rain nearby |
0.9 ° C | 2.6 ° C | 1.8 ° C | % 73 | 29.5 km/h | 89% |
| 03 January 2026 Sat | Patchy rain nearby |
2.6 ° C | 5.6 ° C | 3.7 ° C | % 81 | 49.7 km/h | 88% |
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