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United Kingdom

Northern Ireland

Coleraine Coleraine Derry Derry Omagh Omagh Newry Newry Belfast Belfast Enniskillen Enniskillen Portadown Portadown Campbeltown Campbeltown Letterkenny Letterkenny Malin Head Malin Head Ballyhaise Ballyhaise Ballymena Ballymena Craigavon Craigavon Strabane Strabane Larne Larne Ardglass Ardglass Portavogie Portavogie Ballycastle Ballycastle Belleek Belleek Dungannon Dungannon Cookstown Cookstown Monaghan Monaghan uv index  United Kingdom Forecast maps
Last updated: Tu, 21 Sep, 15:56 BST

The strength of the sun's ultraviolet (UV) radiation is expressed as a Solar UV Index or Sun Index.The UV Index does not exceed 8 in the UK (8 is rare; 7 may occur on exceptional days, mostly in the two weeks around the summer solstice). Indices of 9 and 10 are common in the Mediterranean area. The Sun Index forecast refers to the daily maximum.