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
| 14 September 2026 Mon 17.7 ° C ( 63.8°F )  Cloudy |
Feels Like : 17 ° C / 62.6°F Humidity : % 91 Pressure : 1024 mb Wind Speed : 14.4 kmph / 8.9 miles from WSW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 85 |
15-day weather forecast for Guernsey Airport, Guernsey, United Kingdom
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 14 September 2026 Mon |  Sunny |
17.6 ° C | 18.4 ° C | 17.9 ° C | % 88 | 16.6 km/h | 14% |
| 15 September 2026 Tue | Sunny |
16.3 ° C | 18.2 ° C | 17.2 ° C | % 82 | 34.6 km/h | 21% |
| 16 September 2026 Wed |  Patchy rain nearby |
15.1 ° C | 16.3 ° C | 15.8 ° C | % 71 | 29.5 km/h | 52% |
| 17 September 2026 Thu | Patchy rain nearby |
15.5 ° C | 16.8 ° C | 16.2 ° C | % 75 | 43.9 km/h | 63% |
| 18 September 2026 Fri | Patchy rain nearby |
15.3 ° C | 16.7 ° C | 16 ° C | % 73 | 38.9 km/h | 63% |
| 19 September 2026 Sat | Patchy rain nearby |
16.9 ° C | 17.4 ° C | 17.3 ° C | % 92 | 37.8 km/h | 63% |
| 20 September 2026 Sun | Sunny |
17.4 ° C | 17.9 ° C | 17.7 ° C | % 92 | 24.1 km/h | 21% |
| 21 September 2026 Mon | Sunny |
17.3 ° C | 17.8 ° C | 17.6 ° C | % 87 | 14.4 km/h | 12% |
| 22 September 2026 Tue | Sunny |
17.2 ° C | 17.7 ° C | 17.4 ° C | % 86 | 19.8 km/h | 12% |
| 23 September 2026 Wed | Sunny |
16.2 ° C | 17 ° C | 16.6 ° C | % 77 | 24.1 km/h | 12% |
| 24 September 2026 Thu | Sunny |
16.1 ° C | 17 ° C | 16.5 ° C | % 76 | 34.9 km/h | 8% |
| 25 September 2026 Fri | Sunny |
15 ° C | 16.5 ° C | 15.8 ° C | % 64 | 37.8 km/h | 4% |
| 26 September 2026 Sat | Sunny |
14.4 ° C | 18.7 ° C | 16.4 ° C | % 60 | 35.3 km/h | 3% |
| 27 September 2026 Sun | Sunny |
16.4 ° C | 19 ° C | 17.5 ° C | % 62 | 24.8 km/h | 4% |
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