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IMPORTANT: TWO is scheduled to migrate to new servers today and service disruption is possible. There is more information at the end of the update below.

Saturday starts cold with quite a widespread frost and heavy showers peppered around coastal counties. Through the rest of the day showers push inland, but in the south they should be more scattered. In the north they will be wintry with snow over high ground. Sunny spells develop but a keen wind makes it feel very cold.

Temperatures range from 4C (39F) in northern Scotland to 9C (48F) in the south eastern corner. See the rain and lightning radar for the latest view.

GFS, forecast precipitation type, 13:00 BST Sat 27th October

Forecast short cuts

Autumn 2018 forecast

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Winter 2018/19 weather  - update 3

Tonight showers become concentrated in southern and eastern counties. They will generally be of rain but the heaviest ones could bring a few flakes of snow. Quite a widespread frost develops with the lowest temperatures in the north and west.

Tomorrow it remains cold but sunny spells develop widely. In the south and east showers continue and there could be some heavy ones which may bring a wintry mix over high ground. Temperatures will be similar to today's but lighter winds take the edge off them.

Meteo France Arpege, forecast temperatures, 07:00 GMT Sun 28th October

Changeable and chilly next week

On Monday it remains cold and an easterly flow develops as high pressure builds over Scandinavia. Showers affect eastern Britain and over high ground in the north they could fall as snow at times. Central and western regions have a mostly dry and bright day.  

GFS, forecast pressure and 500Pa heights, 15:00 GMT Thu 1st November

During Tuesday and Wednesday a messy picture develops. Areas of low pressure bring a risk of showers or longer spells of rain to much of the UK and it remains quite cold.

The second half of the week is expected to be changeable. The wettest periods are likely in the north and west, but all areas could see some rain. Temperatures should recover as milder air is pumped up from the southwest. At this stage it is next weekend is looking unsettled.

Server migration TODAY

The TWO website and back-end app services are scheduled to migrate to a new server environment later today. The transition means big changes behind the scenes and they could could lead to some service disruption and snagging problems. Once the move is complete we'll have a much more flexible platform that makes it easier to expand and provide new services in the future.

Further information and notices will be posted on the website and Twitter (@TWOweather) during the next 48 hours.

Register for the TWO community

If you would like to join the TWO community please see how to register for the forum. People with all levels of meteorological knowledge are very welcome to apply. However if you're a meteorology (or related subject) student or recent graduate there may be an opportunity for you to earn some money next summer.

Forecast tools

Check the latest satellite images, computer model charts and rain radar:

1981 - 2010 daily temperature charts

Temperature anomalies

DWD ICON forecast charts

EUMETSAT high resolution satellite images

Rain and precipitation type radar

Meteo France Arpege forecast charts

Global Forecast System (GFS) forecast charts

16 day GEFS ensembles at a glance

After a mild start temperatures fall significantly below the seasonal average before beginning to recover during the first week of November. A significant risk of snow is shown in the northern half of the UK during the last few days of October. In early November the risk of rain increases in all regions. View latest GEFS.