British Isles weather diary

British Isles weather diary

Recent temperature, rainfall and sunshine extremes over the British Isles (Note: figures in parentheses give an indication, from first reports, of the spread of daily max and min temperatures, min daytime temperatures (occasionally), rainfall and sunshine in the 24 hours ending 2100 GMT.)

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Current temperature maps

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British Isles weather, August 2021

It was a cool night into the 29th in some inland areas of England and Scotland as far S as Cent S England. There were a few outbreaks of light rain in parts of Ireland and NE Scotland overnight these continued during the day, extending S'wards towards East Anglia. Extensive cloud clover meant a rather dull day, except in the Channel Islands and in parts of SW England and W Wales. It was a rather cool day away from the sunnier areas. (Plymouth 24.1C, Fair Isle 12.6C maximum, Shap 4.8C minimum, Fyvie Castle 1.2 mm, Guernsey Airport 12.7 h.)

High pressure centred to the W of Scotland continued to prevail on the 30th. Widespread cloud brought some light rain to some E areas of the UK and led to a rather cloudy day across most of the British Isles, except across parts of W Scotland and Northern Ireland. It was a cool day generally. Scottish Water urged customers to help conserve supplies after levels at some reservoirs dropped to their lowest in 18 years. The company said some parts of Scotland were experiencing their second driest summer in 160 years. It said demand remained high at up to 100 million litres per day higher than average, after falling from a spike in demand during hot weather in July. (Castlederg 21.3C, Libanus 13.2C maximum, Whitechurch 6.0C minimum, Durham 2.4 mm, Tiree 7.7 h.)

High pressure centred to the W of Scotland on the 31st led to the August all-time British Isles MSL pressure record being broken as 1037.0 mb was recorded at 0900 GMT at Stornoway. Later in the day 1038.4 mb was reported at Altnaharra at 2300 GMT and 1038.5mb at Stornoway at 2400 GMT. The previous record was 1036.7 mb at Pembroke on 12 August 1949. The day was mostly dull and cool, with patches of drizzly rain, chiefly in the north and east. Sunshine was largely restricted to a few NW areas. (Tyndrum 20.2C, Pennerley 12.9C maximum, Braemar 0.3C minimum, Fylingdales 4.2 mm, Tiree 11.2 h.)

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Last updated 2 September 2021.

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