August 11, 2026. Western Europe is into another scorcher—the fifth heat wave of the summer in the UK and France—while Spain’s inland tourist belt heads toward about 42°C midweek. Heat alerts are up. Drought is already on. Clear skies still mean a high UV day for anyone outdoors between late morning and mid-afternoon.

What’s forecast

Public desks and national weather agencies (AP / PBS, France 24 with AFP, The Independent citing Aemet and Météo-France) are tracking this week roughly as:

• United Kingdom: Met Office outlook for mid-30s°C in places as the hot spell spreads north. An amber heat-health alert covers most of England from Tuesday, with forecasts climbing toward about 36°C (97°F) later in the week.
• France: Météo-France flagged southeastern highs approaching 40°C (104°F) from Tuesday, with intense heat across almost the entire country Wednesday–Friday. Desk maps put Paris near 35°C, Toulouse near 36°C, Bordeaux near 39°C.
• Spain: Aemet tourist-city outlooks for Thursday include Córdoba near 42°C, Seville near 40°C, Madrid and Granada near 39°C; Mediterranean coasts more often sit in the low-to-mid 30s.
• Italy and the east: Italy’s Health Ministry had already put all 27 monitored cities on red heat alert late last week. Near-term desks still show Rome near 38°C and parts of central Sardinia near 40°C. Heat then rebuilds into Hungary, Serbia, Romania and neighbors after a short dip.

Context that is already on the books this summer: Copernicus put western Europe’s June–July average at 21.62°C—a regional record. AFP analysis cited by France 24 said roughly 120 million Europeans lived where July 2026 was the hottest on record. France’s public health agency reported about 5,700 excess deaths during the June heat episode alone.

Drought and fire alongside the thermometers

This is not only a temperature story.

• Half of England and all of Wales are in drought, with about 23 million people under hosepipe bans as rain stays scarce.
• Spain and France are still fighting wildfire risk after a season that forced hundreds of thousands from homes earlier; Greece saw fresh fire near Athens on Monday.
• Dry soils cut natural cooling, so the next clear, sunny day tends to run hotter—and keep the sky open for UV.

Heat vs UV

Heat alerts tell you when the body struggles to cool. They do not tell you when unprotected skin burns fastest.

On bright summer days across southern and western Europe, midday UV commonly sits in the High to Extreme bands even when the headline is only Celsius. UV still tracks the sun’s angle—often peaking near solar noon—while air temperature can keep climbing into the afternoon. A cooler late morning under a clear sky can still be a full-protection window.

Tourist cities make the trap sharper: people leave for plazas, beaches, and queues when it “feels manageable,” then stay out through the UV peak because the worst heat has not arrived yet.

Check the alert for heat. Check today’s UV peak for burn pace. You need both.

Through midweek

If you are in the UK, France, Spain, Italy, or under a MeteoAlarm heat warning elsewhere on the continent:

1. Treat late morning through mid-afternoon as protected time—shade, cover, sunscreen—not a free window because the air has not hit the daily max yet.
2. Move long walks, queues, and outdoor work earlier or later; Italy’s health guidance has repeatedly flagged roughly 11:00–18:00 as the highest-risk outdoor hours during red alerts.
3. Do not treat a café awning or thin shade as full cover on Very High / Extreme UV days—scattered and reflected UV still reach skin.
4. Watch heat illness signs (confusion, severe fatigue, nausea, headache) separately from sunburn. Cooling someone fast is a medical emergency; UV planning does not replace it.
5. Read live UV as well as temperature on the homepage before you commit to midday sun in a new city.

Forecasts shift day to day. Defer to the latest Met Office, Météo-France, Aemet, Italian Health Ministry, and local MeteoAlarm products for your area.

Sources and limits

This brief summarizes publicly reported forecasts and alerts as of August 11, 2026 from AP/PBS, France 24 (AFP), The Independent (Aemet / Météo-France / Italian desks), and Copernicus climate releases. Numbers will move. Always prefer the latest official warning for your location.

UV readings on UV Index Today are estimates for everyday sun-safety planning, not medical advice. For SPF and related Q&A, see the Guide. For your location’s current numbers, open the live UV index.