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UK Hydrological Outlook

Latest Outlook

Period: From August 2025

Issued on 11.08.2025 using data to the end of July 2025

The outlook for August indicates normal to below normal flows across eastern Scotland and north-east England, and below normal to low flows for south Wales and central and southern England. In northwestern areas, flows are likely to be normal to above normal. The August-October outlook suggests a similar geographical pattern with the continuation of below normal to low flows in central and southern England, and normal to above normal flows elsewhere. Normal to below normal groundwater levels are likely to persist through both August and the August-October period. 

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