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    Forecast summary

    • Regional
    • UK 5 days
    • UK 6-30 days

    Regional forecast for London & South East England

    Dry, often sunny. Cloud increasing later. Rain overnight.

    Today:

    Feeling cool at first with mist and local fog patches soon clearing. A dry, pleasantly warm, and often sunny day is expected, although with increasing cloud later, and patchy rain in west by evening. Mainly light southwesterly winds. Maximum Temperature 19 °C.

    Tonight:

    It will be a largely cloudy and misty night with patchy rain or drizzle spreading eastwards. Feeling mild with light southerly winds. Minimum Temperature 12 °C.

    Saturday:

    Generally cloudy and misty, with patchy rain to start. Sunny periods are likely to develop during the morning. Feeling pleasantly warm through the afternoon in sunshine with light winds. Maximum Temperature 20 °C.

    Outlook for Sunday to Tuesday:

    Dry with warm sunshine on Sunday, and southeasterly breeze. Occasionally heavy rain is likely during Sunday night and Monday in west. Increasing risk of scattered showers on Tuesday, occasionally sunny.

    Updated at: 0304 on Fri 22 Sep 2017

    UK forecast for the next 5 days

    A chilly night for many with clear skies.

    This Evening and Tonight:

    Rain will clear eastern England allowing it to turn dry and cold under clear skies. Patchy mist and fog will form in rural spots. Winds will strengthen in the west with rain reaching Northern Ireland and the Western Isles later.

    Friday:

    After a cold start, eastern and southern areas will be fine and pleasantly warm. Elsewhere, heavy rain and strong winds will gradually ease, with brighter skies across Northern Ireland later.

    Outlook for Saturday to Monday:

    Generally fine on Saturday, but strong winds in the northwest. Rain for some central and western parts on Sunday and Monday, but brighter elsewhere and warm in the southeast.

    Updated at: 1614 on Thu 21 Sep 2017

    Outlook for the UK over the next 6-30 days

    UK Outlook for Tuesday 26 Sep 2017 to Thursday 5 Oct 2017:

    As we head through the end of September, there will be a west/east split in the weather. The west is likely to be cloudier with outbreaks of rain, perhaps heavy at times. In contrast, the east will be drier and brighter, but with generally light winds for all parts, there could be some chilly nights with mist and fog forming under any clearer skies. Towards the start of October, this split will continue but it is likely to turn windier and increasingly unsettled in the west, with a risk of gales or severe gales, particularly in the northwest. These unsettled conditions will erratically spread eastwards, but some central and eastern areas may perhaps stay dry throughout. Temperatures will generally be above normal, perhaps warm across central and eastern areas.

    Updated at: 1321 on Thu 21 Sep 2017

    UK Outlook for Friday 6 Oct 2017 to Friday 20 Oct 2017:

    More unsettled weather will perhaps be more widely established by the end of the first week in October, most especially in the north and west. This will bring an increased likelihood of stronger winds and heavier rain across many areas. By mid October, confidence in the forecast reduces, however it may remain generally unsettled with occasional drier and brighter spells. On the whole, temperatures will be close to or slightly warmer than normal, but in any settled spells there could be chilly nights, with an increased risk of mist, fog and frost, especially in the north.

    Updated at: 1322 on Thu 21 Sep 2017

    Location Details

    Harrow

    Location: 51.5801, -0.3404

    Altitude: 64.0 m above mean sea level

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