The UK weather on Wednesday, 27th August 2025 serves up a classic late-summer blend of showers, cloud cover, and mild temperatures. From Scotland’s Highlands to London’s busy streets, residents will encounter a changeable day, with wet spells in the morning and late afternoon but also brighter, drier windows in between.

Unlike earlier in the month, when heatwaves pushed temperatures well into the 30s °C in southern England, today’s forecast is cooler and far more typical of late August. Temperatures across the UK range from 16–20 °C, with Scotland and Northern Ireland a little cooler and England’s south east topping the charts.

Sunrise & Sunset – Daylight Across the UK

• London (South East England): Sunrise 06:06 AM, Sunset 08:00 PM

• Manchester (Northern England): Sunrise 06:11 AM, Sunset 08:07 PM

• Edinburgh (Scotland): Sunrise 06:08 AM, Sunset 08:31 PM

• Cardiff (Wales): Sunrise 06:19 AM, Sunset 08:11 PM

• Belfast (Northern Ireland): Sunrise 06:25 AM, Sunset 08:36 PM

Daylight length ranges between 13 hours 40 minutes and 14 hours 20 minutes, giving the UK long, usable daylight for commutes, shopping, and sightseeing—even if skies are often grey.

National Overview – UK Weather 27th August 2025

• Morning: Showers in Scotland, Wales, and Northern Ireland; drier spells in eastern and southern England. Temperatures 11–14 °C.

• Afternoon: Cloud builds, with showers breaking out in western regions. Highs of 19–20 °C in England, 16–18 °C in Scotland, Wales, and NI.

• Evening: Showers return across all regions, cooling to 12–15 °C.

• Winds: Light to moderate westerlies, 10–15 mph, breezier along coasts.

• Visibility: Generally good, with only brief reductions in rain showers.

Hourly UK-Wide Weather Snapshot

Regional Forecasts

England – Cloudy with Showers Developing

• Morning: Bright start in the south east, cloudier north and west. Temperatures 12–14 °C.

• Afternoon: Cloud dominates, with showers around 3 PM, especially in the Midlands and north west. Highs 19–20 °C.

• Evening: Showers linger, but skies may clear in the south east; 14–16 °C.

City Highlights:

• London: Cloudy but dry until late afternoon; highs 20 °C.

• Manchester: Morning dry, afternoon showers; highs 19 °C.

• Birmingham: Mostly cloudy, showers by evening; highs 19 °C.

Scotland – Showers Early & Late, Brighter Midday

• Morning: Showers in west and central areas, drier east. Around 12–14 °C.

• Afternoon: Brief sunny spells in Edinburgh and east coast; highs 19–20 °C.

• Evening: Showers return, especially west coast; cooling to 13–15 °C.

City Highlights:

• Edinburgh: Cloudy with bright spells in afternoon; highs 19 °C.

• Glasgow: Showers morning and late afternoon; highs 18 °C.

• Aberdeen: Dry and bright, peaking 18 °C.

Wales – Mixed Day with Showers

• Morning: Cloud and showers in north and west; drier in Cardiff. 12–14 °C.

• Afternoon: Mostly cloudy, intermittent showers; highs 16–17 °C.

• Evening: Showers continue before fading after sunset.

City Highlight:

• Cardiff: Cloudy, mostly dry until late afternoon. Highs 17 °C, lows 14 °C.

Northern Ireland – Showery and Mild

• Morning: Showers, particularly in Belfast and Derry. Temperatures 12–13 °C.

• Afternoon: Some sun breaks, highs 16 °C inland.

• Evening: Showers return and persist into late evening.

City Highlights:

• Belfast: Showers morning and afternoon; highs 16 °C.

• Derry/Londonderry: Cooler, highs 15 °C with more persistent rain.

Travel & Commuting Outlook

• Roads: Wet surfaces expected in Scotland, Wales, and Northern Ireland; England’s motorways may face spray in showers.

• Rail: No significant delays expected, though wetter regions may experience slippery platforms.

• Airports: Visibility remains good; flights from Heathrow, Manchester, Edinburgh, and Belfast unaffected by weather.

Lifestyle & Outdoor Planning

• Best Window: Midday to early afternoon in most regions, when showers ease and temperatures peak.

• Outdoor Activities: Hiking in Scotland’s east and exploring London’s parks more favourable; west coast walks in Wales and NI may face damp interruptions.

• Sports: Football, cricket, and rugby matches can proceed, though some may face wet pitches.

• Tourism: Indoor attractions like museums (e.g., National Museum of Scotland, Titanic Belfast, British Museum) are excellent rainy-day alternatives.

Historical Context – Late August in the UK

Late August often marks the transition into early autumn weather patterns. Historically:

• Average highs: 18–21 °C in England, 16–18 °C in Scotland and NI, 17 °C in Wales.

• Rainfall: Around 8–12 rainy days per month.

• 2025 Context: Following a hot, dry August start, today’s pattern signals a return to the UK’s typical late-summer variability—cooler, cloudier, and wetter.

Summary Table – UK Weather 27 August 2025

Final Thoughts – UK Weather Today

On Wednesday 27th August 2025, the UK faces a classic end-of-summer day: cloud-heavy, dotted with showers, but punctuated by brighter periods. While no severe weather is expected, those outdoors should be prepared with light rain gear.

• England leads with highs of 20 °C.

• Scotland and Wales see mixed spells, peaking 17–20 °C.

• Northern Ireland stays cooler and showery at 16 °C.

With 13–14 hours of daylight, there’s plenty of time for activity—but much of it will be under grey skies.