Guernsey forecast issued 20 Feb 2017 19:00 Tonight9°CF4Tuesday13°C9°CF5Wednesday11°CF6Thursday11°CF6Friday10°CF4Saturday10°CF5 Tonight9°C F4 Forecast valid from 8 pm tonight to 6 am tomorrowMin9°COvercast with patchy light drizzle and fog. Poor or very poor. F4Westerly moderate F4 to fresh F5, perhaps occasionally strong F6 around Alderney overnight.Moderate increasing rather rough overnight, with a low swell.Tuesday13°CF5 Forecast valid from 6 am Tuesday to 6 am WednesdayMax13°CMin9°CCloudy with mist and the risk of hill fog patches, especially in the morning. Perhaps a little drizzle at times. Brighter for a time around midday. UV Index: 1 F5West to southwest moderate F4 to fresh F5, occasionally strong F6 around Alderney, increasing fresh F5 to strong F6 overnight.Wednesday11°CF6 Forecast valid 6 am to 6 pm WednesdayMax11°CCloudyUV Index: 1 F6West Southwest F6Thursday11°CF6 Forecast valid 6 am to 6 pm ThursdayMax11°CSunny periods and showersUV Index: 2 F6West F6Friday10°CF4 Forecast valid 6 am to 6 pm FridayMax10°CSunny periods and showersUV Index: 2 F4Northwest F4Saturday10°CF5 Forecast valid 6 am to 6 pm SaturdayMax10°CCloudy with showersUV Index: 1 F5Southwest F5View 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.