Tonight10°CF4Monday17°C8°CF3Tuesday18°CF3Wednesday20°CF3Thursday21°CF3Friday19°CF4 Tonight10°C F4 Forecast valid from 6 pm tonight to 6 am tomorrowMin10°CCurrent0°CFair periods with the risk of a shower. UV Index: 3Good, perhaps occasionally moderate. F4North moderate F4, occasionally fresh F5, decreasing light F3 to moderate F4 overnight.Moderate to rather rough, decreasing slight to moderate overnight.Monday17°CF3 Forecast valid from 6 am Monday to 6 am TuesdayMax17°CMin8°CSunny periods. Fair or fine overnight. Risk of ground frost.UV Index: 4 F3North to northeast light F3 to moderate F4, veering east to southeast overnight.Tuesday18°CF3 Forecast valid 6 am to 6 pm TuesdayMax18°CMainly sunnyUV Index: 4 F3East F3Wednesday20°CF3 Forecast valid 6 am to 6 pm WednesdayMax20°CSunnyUV Index: 4 F3East F3Thursday21°CF3 Forecast valid 6 am to 6 pm ThursdayMax21°CSunnyUV Index: 4 F3East Southeast F3Friday19°CF4 Forecast valid 6 am to 6 pm FridayMax19°CMainly sunnyUV Index: 4 F4Northeast F4View weather for Guernsey SettingsWind speed Beaufort forceTemperature °Celsius Wind speed Beaufort force Miles per hour Kilometres per hour Knots Temperature °Celsius °Fahrenheit Tide times - St Helier Weather radar Aviation forecast Wind and wave map Latest satellite image Runway webcam – Jersey Tide times - St Helier Weather radar Aviation forecast Wind and wave map Latest satellite image Runway webcam – Jersey Page Content If you prefer a text-only forecast, m.gov.je has a layout ideal for your smartphone.