Guernsey Airport (GCI) 15 Day Weather Forecast, Guernsey United Kingdom
Current weather conditions and 15 day weather forecast for Guernsey Airport in Guernsey, United Kingdom 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 GCI
| 13 September 2026 Sun 17.7 ° C ( 63.9°F )  Overcast |
Feels Like : 14.6 ° C / 58.3°F Humidity : % 89 Pressure : 1025 mb Wind Speed : 25.9 kmph / 16.1 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Guernsey Airport, Guernsey, United Kingdom
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 13 September 2026 Sun | Overcast |
17.4 ° C | 18.4 ° C | 17.8 ° C | % 91 | 26.3 km/h | 25% |
| 14 September 2026 Mon |  Sunny |
18.3 ° C | 19 ° C | 18.6 ° C | % 92 | 18.4 km/h | 44% |
| 15 September 2026 Tue | Overcast |
16.2 ° C | 19 ° C | 17.9 ° C | % 85 | 38.9 km/h | 29% |
| 16 September 2026 Wed |  Patchy rain nearby |
15.1 ° C | 16.1 ° C | 15.6 ° C | % 70 | 36.4 km/h | 36% |
| 17 September 2026 Thu | Overcast |
14.8 ° C | 16.7 ° C | 16 ° C | % 73 | 42.8 km/h | 57% |
| 18 September 2026 Fri | Patchy rain nearby |
15.7 ° C | 16.7 ° C | 16.1 ° C | % 71 | 27.7 km/h | 28% |
| 19 September 2026 Sat | Overcast |
15.7 ° C | 17.7 ° C | 16.7 ° C | % 83 | 34.9 km/h | 23% |
| 20 September 2026 Sun | Overcast |
16.6 ° C | 17.4 ° C | 17.1 ° C | % 88 | 24.5 km/h | 26% |
| 21 September 2026 Mon | Sunny |
16.8 ° C | 17.2 ° C | 17 ° C | % 87 | 22.7 km/h | 13% |
| 22 September 2026 Tue | Sunny |
16.8 ° C | 18.1 ° C | 17.3 ° C | % 80 | 12.2 km/h | 9% |
| 23 September 2026 Wed | Overcast |
17.6 ° C | 20.1 ° C | 18.5 ° C | % 82 | 22 km/h | 17% |
| 24 September 2026 Thu | Sunny |
18.9 ° C | 22 ° C | 19.9 ° C | % 74 | 23.4 km/h | 8% |
| 25 September 2026 Fri | Overcast |
19.4 ° C | 22.4 ° C | 20.3 ° C | % 75 | 25.9 km/h | 11% |
| 26 September 2026 Sat | Overcast |
16.2 ° C | 20.4 ° C | 17.5 ° C | % 84 | 33.1 km/h | 23% |
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