Guernsey forecast issued 29 May 2017 10:30 Today16°C12°CF3Tuesday17°C12°CF3Wednesday19°CF2Thursday20°CF2Friday18°CF3Saturday18°CF3 Today16°C F3 Forecast valid from 11 am today to 6 am tomorrowMax16°CMin12°CRather cloudy. Mist or fog patches, especially near windward coasts. Isolated thundery showers until evening. Some fair or sunny intervals this afternoon and this evening. UV Index: 5Moderate, occasionally poor or very poor, and moderate to good this evening. F3Westerly light F3 to moderate F4, perhaps fresh F5 for a time this evening near Alderney.Smooth, becoming slight this afternoon, with a low swell by evening.Tuesday17°CF3 Forecast valid from 6 am Tuesday to 6 am WednesdayMax17°CMin12°CMainly cloudy with the risk of fog patches in the morning. Sunny periods developing by afternoon. Becoming cloudy again overnight with the risk of a little rain and fog patches. UV Index: 6 F3Westerly light F3 to moderate F4, becoming variable light F1 to 3 overnight.Wednesday19°CF2 Forecast valid 6 am to 6 pm WednesdayMax19°CFair with sunny periodsUV Index: 7 F2North Northeast F2Thursday20°CF2 Forecast valid 6 am to 6 pm ThursdayMax20°CMainly sunnyUV Index: 7 F2Northeast F2Friday18°CF3 Forecast valid 6 am to 6 pm FridayMax18°CCloudy with showersUV Index: 6 F3West F3Saturday18°CF3 Forecast valid 6 am to 6 pm SaturdayMax18°CFair with sunny periodsUV Index: 7 F3West F3View weather for Jersey 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 Shipping forecast Latest satellite image Runway webcam – Jersey Tide times - St Helier Weather radar Aviation forecast Shipping forecast Latest satellite image Runway webcam – Jersey Page ContentIf you prefer a text-only forecast, m.gov.je has a layout ideal for your smartphone.