Daily brief · United Kingdom
Record from Aug 18, 2026. Back to current conditions

London Aug 18, 2026

Review recorded on Aug 28, 2026, 6:40 AM UTC.

Weather-risk signals · signal engine (Open-Meteo)

A heavy rain day could hit

extreme

A single day could bring around 12mm of rain on 2026-08-20 — above the local heavy-rain reference for this time of year (around 7.7mm in a day). Construction, drainage, and outdoor events should review schedules.

Reading evidence

Valid until Aug 23, 2026, 12:03 PM UTC.

Source: Open-Meteo.

Samples: 150.

outdoor events · drainage operators · agriculture · local commerce

A dry stretch is forming

medium

5 dry days in a row could start 2026-08-22. A dry day here means 1mm of rain or less; the important number is the length of the run. Crops in flowering or fruit-set windows are most exposed.

Reading evidence

Valid until Aug 23, 2026, 12:03 PM UTC.

Source: Open-Meteo.

agriculture · local commerce

A cold stretch is on the way

extreme

10 days in a row could stay below 15°C, starting 2026-08-20. Longer than this region usually sees at this time of year. Crops in flowering, livestock, and rooftop venues may be exposed.

Reading evidence

Valid until Aug 21, 2026, 12:03 PM UTC.

Source: Open-Meteo.

crop growers · outdoor hospitality · local commerce

Recorded daily weather · Open-Meteo

Rain 0 mmMax 25.5 °CMin 19.2 °CGusts 36.4 km/h

Comparison unavailable for this edition.

What people were seeing · community field reports

No field observations were posted for this place on Aug 18, 2026.