Looking mostly dry for the festival with some warm to hot weather expected at times

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Pressure around 1020mb at the start of the festival and dropping quickly towards 1010mb into Saturday before slowly rising again into the following week.

Pressure Charts and Run Summaries (GFS and ECM from 12Hz Sunday 23 June)
Wednesday Synoptic Charts

ECM Wednesday 26 June – ECM Wednesday 26 June – High Pressure over the UK, with Pressure of 1026mb and Easterly winds for South Western UK, Looking mostly dry with 850HPAs 13c midday and rising.

ECM Thursday 27 June – ECM Thursday 27 June – High Pressure over the UK, with Pressure of 1024mb and winds veering South Easterly for South Western UK, Looking mostly dry with 850HPAs 20c midday and rising.

GFS Wednesday 26 June – With High Pressure covering the UK (1026mb for Glastonbury), a dry day expected with sunny intervals. Winds Easterly with Temperatures 20-21c (850HPA 15c) (Other runs today mostly dry, but slightly warmer 21-23c.)

GFS Thursday 27 June – With High Pressure covering the UK (1022-1024mb for Glastonbury), another dry day expected with increased sunshine compared to Wednesday, Winds veering Southeasterly with Temperatures 22-23c (850HPA 21c) (Other runs today mostly dry, similar temperatures).

Friday Synoptic Charts

ECM Friday 28 June – High Pressure edging away to the North East, however this trend is slower than on previous runs with Pressure of 1022mb and South Easterly winds for South Western UK, Looking mostly dry with 850HPAs touching 22c midday.

GFS Friday 28 June –Pressure for South Western parts of the UK is set to drop on Friday (1018mb for Glastonbury), however looking mostly dry. Staying warm with expected max Temperatures around 24-25c. (850HPA 22c) (Other runs today mostly dry, similar temperatures).

Sunday Synoptic Charts

ECM Weekend – 29/30 June Low Pressure edging in over Northern areas, pressure remaining over 1015mb over Southern areas, High Pressure ridging in from the South West on Sunday. 850HPa temps dropping from 21c on Saturday to 12c on Sunday.

GFS Weekend – 29/30 June Pressure around 1014-1016mb with the risk of some showers at times, but total rainfall not that much. Looking Hot and dry on the Saturday despite low pressure below 1010mb, Temperatures 20-22c on Saturday, high teens on Sunday.

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