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
| 14 September 2026 Mon 9 ° C ( 48.2°F )  Clear |
Feels Like : 5.9 ° C / 42.7°F Humidity : % 94 Pressure : 993 mb Wind Speed : 22.3 kmph / 13.9 miles from NNE 
Visibility : 10 km Precipitation (rainfall) : 0.04 mm Cloud (%) : 0 |
15-day weather forecast for Keflavik International Airport, Reykjavik, Iceland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 September 2026 Mon |  Overcast |
7.8 ° C | 9.8 ° C | 9 ° C | % 84 | 40.7 km/h | 69% |
| 15 September 2026 Tue | Sunny |
6.3 ° C | 7.7 ° C | 7 ° C | % 71 | 34.9 km/h | 8% |
| 16 September 2026 Wed |  Patchy rain nearby |
7.8 ° C | 10.5 ° C | 9.3 ° C | % 87 | 69.8 km/h | 91% |
| 17 September 2026 Thu | Patchy rain nearby |
7.8 ° C | 9.5 ° C | 8.6 ° C | % 84 | 46.4 km/h | 85% |
| 18 September 2026 Fri |  Light rain shower |
8.3 ° C | 10.4 ° C | 9.8 ° C | % 88 | 29.5 km/h | 91% |
| 19 September 2026 Sat | Patchy rain nearby |
9.2 ° C | 10.2 ° C | 9.7 ° C | % 82 | 20.2 km/h | 57% |
| 20 September 2026 Sun | Patchy rain nearby |
8.3 ° C | 9.6 ° C | 9 ° C | % 84 | 35.3 km/h | 71% |
| 21 September 2026 Mon | Patchy rain nearby |
7.7 ° C | 9.3 ° C | 8.6 ° C | % 78 | 30.6 km/h | 81% |
| 22 September 2026 Tue | Patchy rain nearby |
7.8 ° C | 8.7 ° C | 8.2 ° C | % 72 | 31 km/h | 78% |
| 23 September 2026 Wed | Overcast |
6.4 ° C | 8.7 ° C | 7.6 ° C | % 78 | 75.2 km/h | 85% |
| 24 September 2026 Thu | Light rain shower |
9.2 ° C | 10.9 ° C | 10.4 ° C | % 94 | 80.3 km/h | 93% |
| 25 September 2026 Fri | Overcast |
10.1 ° C | 10.9 ° C | 10.5 ° C | % 92 | 22 km/h | 92% |
| 26 September 2026 Sat | Light rain shower |
7.2 ° C | 10.3 ° C | 8.6 ° C | % 87 | 50.8 km/h | 90% |
| 27 September 2026 Sun | Sunny |
6.2 ° C | 8.5 ° C | 7.3 ° C | % 76 | 27.4 km/h | 12% |
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