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Long range weather forecast

This long range forecast for the UK is updated once a month. Using the latest long range data from the NCEP and then run through custom software here at Netweather it is on the cutting edge of technology for long range weather forecasting. It is important to bear in mind that forecasting at this range is still in its infancy so can effectively be considered experimental.

Summer 2016

Updated 1st June 2016
A look ahead at the upcoming summer.

Take a look at the monthly forecast for the forecast over the next 4 weeks.

After, what is currently forecast to be a mainly drier and warmer than average June, July is expected to see the pattern change a little. Whereas high pressure to the north of the British Isles has been a driver in recent times, the current outlook is for pressure to be higher than normal to our south and southwest instead.

This is likely to lead to a three way split in terms of rainfall, with the west and northwest of Scotland seeing a wetter than average month. Closer to average rainfall is forecast for other parts of Scotland, Southern & Northern Ireland, along with a good part of England and Wales. Southern England and south Wales is expected to be drier than average.

Temperatures are widely expected to be near normal, with all this indicating that warmer drier spells as the high pressure ridges up toward the UK, will be interspersed by cooler wetter periods as low pressure systems squeeze the high south.

July Air Pressure
Long range forecast
July Rainfall
July Rainfall
May Air Pressure
July Temperature

At this range, confidence does fall away, but at the current time a similar setup is expected to be in play during August, but with some subtle differences. These are that the higher than average pressure anomalies are further away from the UK and Ireland, and instead of near average pressure to the north, it's lower than average.

Rainfall wise this doesn't on the face of it change too much, with the northwest of the UK still forecast to be wetter than average, most other parts near to average and just the southwest drier than average.

Temperatures, like July are forecast to be close to the seasonal norm.

July Air Pressure
August air pressure
July Rainfall
July Rainfall
May Air Pressure
July Temperature

Next long range forecast will be issued late-June - as the summer holidays approach!

Subscribers to Netweather Extra can access daily and weekly detailed long range forecast updates and charts.

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The long range weather forecast displayed on this page is based on data from the Climate Forecast System from the NCEP (USA), run out to 9 months in advance and are updated once a month. The raw data is sent daily to Netweather, our systems then average and further process that data to produce the forecast you see below. The average figures you see on the forecast are not the standard 1971 to 2000 figures you may often see, instead they are rolling averages, currently from the period 1981-2010.

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