Grundarf Jordur Airport (GUU) 15 Day Weather Forecast, Grundarf Jordur Iceland
Current weather conditions and 15 day weather forecast for Grundarf Jordur Airport in Grundarf Jordur, 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 GUU
| 21 December 2025 Sun 4.1 ° C ( 39.4°F )  Partly Cloudy |
Feels Like : 0.4 ° C / 32.7°F Humidity : % 84 Pressure : 1009 mb Wind Speed : 16.6 kmph / 10.3 miles from SE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 56 |
15-day weather forecast for Grundarf Jordur Airport, Grundarf Jordur, Iceland
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 21 December 2025 Sun | Partly Cloudy |
2.8 ° C | 4.5 ° C | 3.8 ° C | % 84 | 19.4 km/h | 0% |
| 22 December 2025 Mon |  Patchy rain nearby |
2.7 ° C | 4.6 ° C | 3.6 ° C | % 82 | 28.4 km/h | 84% |
| 23 December 2025 Tue |  Moderate rain |
1.5 ° C | 4.8 ° C | 3 ° C | % 86 | 41.4 km/h | 85% |
| 24 December 2025 Wed |  Heavy rain |
6.1 ° C | 6.8 ° C | 6.6 ° C | % 92 | 60.1 km/h | 75% |
| 25 December 2025 Thu | Moderate rain |
1.8 ° C | 6.6 ° C | 5.2 ° C | % 84 | 52.2 km/h | 88% |
| 26 December 2025 Fri | Patchy rain nearby |
1.8 ° C | 3.3 ° C | 2.9 ° C | % 67 | 58.7 km/h | 88% |
| 27 December 2025 Sat | Patchy rain nearby |
5.3 ° C | 6.2 ° C | 5.8 ° C | % 86 | 62.6 km/h | 86% |
| 28 December 2025 Sun | Patchy rain nearby |
5.4 ° C | 5.7 ° C | 5.6 ° C | % 90 | 34.6 km/h | 89% |
| 29 December 2025 Mon | Patchy rain nearby |
5.2 ° C | 5.9 ° C | 5.7 ° C | % 93 | 25.9 km/h | 80% |
| 30 December 2025 Tue | Patchy rain nearby |
1.1 ° C | 6.2 ° C | 4.2 ° C | % 81 | 36.4 km/h | 81% |
| 31 December 2025 Wed |  Sunny |
-1.5 ° C | -0.5 ° C | -0.8 ° C | % 59 | 16.6 km/h | 0% |
| 01 January 2026 Thu | Sunny |
-2.3 ° C | -2 ° C | -2 ° C | % 61 | 12.2 km/h | 0% |
| 02 January 2026 Fri | Sunny |
-2 ° C | 1.1 ° C | -0.9 ° C | % 63 | 11.9 km/h | 0% |
| 03 January 2026 Sat | Sunny |
-0.9 ° C | 0.4 ° C | -0.1 ° C | % 74 | 17.6 km/h | 0% |
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