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
| 22 August 2025 Fri 12.3 ° C ( 54.1°F )  Overcast |
Feels Like : 9.5 ° C / 49.1°F Humidity : % 94 Pressure : 1014 mb Wind Speed : 31 kmph / 19.2 miles from SE 
Visibility : 10 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 100 |
15-day weather forecast for Keflavik International Airport, Reykjavik, Iceland
| Date | |
|---|---|
| 22 August 2025 Fri | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 10.9 ° C |
| High temperature | 11.5 ° C |
| Average Temperature | 11.3 ° C |
| Humidity | % 85 |
| Wind | 43.2 km/h |
| Chance of rain | 92% |
| 23 August 2025 Sat | |
| Weather forecast |  Moderate rain |
| Low temperature | 11.4 ° C |
| High temperature | 13.1 ° C |
| Average Temperature | 12.4 ° C |
| Humidity | % 91 |
| Wind | 56.5 km/h |
| Chance of rain | 89% |
| 24 August 2025 Sun | |
| Weather forecast | Moderate rain |
| Low temperature | 11.1 ° C |
| High temperature | 11.9 ° C |
| Average Temperature | 11.7 ° C |
| Humidity | % 95 |
| Wind | 48.6 km/h |
| Chance of rain | 85% |
| 25 August 2025 Mon | |
| Weather forecast | Moderate rain |
| Low temperature | 12 ° C |
| High temperature | 13.5 ° C |
| Average Temperature | 12.8 ° C |
| Humidity | % 90 |
| Wind | 38.9 km/h |
| Chance of rain | 84% |
| 26 August 2025 Tue | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 13.5 ° C |
| High temperature | 14.3 ° C |
| Average Temperature | 13.9 ° C |
| Humidity | % 81 |
| Wind | 46.8 km/h |
| Chance of rain | 89% |
| 27 August 2025 Wed | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 12 ° C |
| High temperature | 13.4 ° C |
| Average Temperature | 13.2 ° C |
| Humidity | % 82 |
| Wind | 31.3 km/h |
| Chance of rain | 82% |
| 28 August 2025 Thu | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 11.6 ° C |
| High temperature | 13.1 ° C |
| Average Temperature | 12.1 ° C |
| Humidity | % 87 |
| Wind | 39.6 km/h |
| Chance of rain | 87% |
| 29 August 2025 Fri | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 11.4 ° C |
| High temperature | 12.7 ° C |
| Average Temperature | 12.2 ° C |
| Humidity | % 87 |
| Wind | 31.7 km/h |
| Chance of rain | 87% |
| 30 August 2025 Sat | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 11.3 ° C |
| High temperature | 11.7 ° C |
| Average Temperature | 11.8 ° C |
| Humidity | % 93 |
| Wind | 9 km/h |
| Chance of rain | 79% |
| 31 August 2025 Sun | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 10.8 ° C |
| High temperature | 12.1 ° C |
| Average Temperature | 11.5 ° C |
| Humidity | % 90 |
| Wind | 16.6 km/h |
| Chance of rain | 0% |
| 01 September 2025 Mon | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 10.6 ° C |
| High temperature | 11.3 ° C |
| Average Temperature | 11 ° C |
| Humidity | % 90 |
| Wind | 41 km/h |
| Chance of rain | 85% |
| 02 September 2025 Tue | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 9.8 ° C |
| High temperature | 10.3 ° C |
| Average Temperature | 10.1 ° C |
| Humidity | % 75 |
| Wind | 38.5 km/h |
| Chance of rain | 88% |
| 03 September 2025 Wed | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 10.3 ° C |
| High temperature | 12.4 ° C |
| Average Temperature | 11.4 ° C |
| Humidity | % 73 |
| Wind | 51.8 km/h |
| Chance of rain | 87% |
| 04 September 2025 Thu | |
| Weather forecast | Partly Cloudy |
| Low temperature | 9.7 ° C |
| High temperature | 11.6 ° C |
| Average Temperature | 10.4 ° C |
| Humidity | % 81 |
| Wind | 38.2 km/h |
| Chance of rain | 0% |
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 22 August 2025 Fri | Patchy rain nearby |
10.9 ° C | 11.5 ° C | 11.3 ° C | % 85 | 43.2 km/h | 92% |
| 23 August 2025 Sat | Moderate rain |
11.4 ° C | 13.1 ° C | 12.4 ° C | % 91 | 56.5 km/h | 89% |
| 24 August 2025 Sun | Moderate rain |
11.1 ° C | 11.9 ° C | 11.7 ° C | % 95 | 48.6 km/h | 85% |
| 25 August 2025 Mon | Moderate rain |
12 ° C | 13.5 ° C | 12.8 ° C | % 90 | 38.9 km/h | 84% |
| 26 August 2025 Tue | Patchy rain nearby |
13.5 ° C | 14.3 ° C | 13.9 ° C | % 81 | 46.8 km/h | 89% |
| 27 August 2025 Wed | Patchy rain nearby |
12 ° C | 13.4 ° C | 13.2 ° C | % 82 | 31.3 km/h | 82% |
| 28 August 2025 Thu | Patchy rain nearby |
11.6 ° C | 13.1 ° C | 12.1 ° C | % 87 | 39.6 km/h | 87% |
| 29 August 2025 Fri | Patchy rain nearby |
11.4 ° C | 12.7 ° C | 12.2 ° C | % 87 | 31.7 km/h | 87% |
| 30 August 2025 Sat | Patchy rain nearby |
11.3 ° C | 11.7 ° C | 11.8 ° C | % 93 | 9 km/h | 79% |
| 31 August 2025 Sun | Partly Cloudy |
10.8 ° C | 12.1 ° C | 11.5 ° C | % 90 | 16.6 km/h | 0% |
| 01 September 2025 Mon | Patchy rain nearby |
10.6 ° C | 11.3 ° C | 11 ° C | % 90 | 41 km/h | 85% |
| 02 September 2025 Tue | Patchy rain nearby |
9.8 ° C | 10.3 ° C | 10.1 ° C | % 75 | 38.5 km/h | 88% |
| 03 September 2025 Wed | Patchy rain nearby |
10.3 ° C | 12.4 ° C | 11.4 ° C | % 73 | 51.8 km/h | 87% |
| 04 September 2025 Thu | Partly Cloudy |
9.7 ° C | 11.6 ° C | 10.4 ° C | % 81 | 38.2 km/h | 0% |
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