London is set for a significant heatwave this week, with temperatures forecast to peak at 34°C (94°F) on Thursday, July 9, and Friday, July 10, 2026. Take immediate action to protect yourself and others from the heat.
The Met Office forecast indicates very warm to hot conditions across the capital from July 5 to July 15, 2026. While daily maximum temperatures will generally remain in the high 20s, the middle of the week will see the mercury climb to its highest point.
This prolonged period of high temperatures affects all London residents, particularly the elderly, young children, and those with pre-existing health conditions. Heat stress and dehydration are serious risks that require proactive measures.
What to do immediately
- Stay Hydrated: Drink plenty of water, even if you don't feel thirsty. Avoid excessive alcohol and sugary drinks.
- Seek Shade: Stay indoors during the hottest parts of the day, typically between 11 AM and 3 PM. If outside, find shade.
- Cool Down: Take cool showers or baths. Use fans or air conditioning if available. Wear light, loose-fitting clothing.
- Check on Others: Look out for vulnerable neighbours, friends, and family members. Ensure they are coping with the heat and have access to water.
- Protect Pets: Ensure pets have access to fresh water and shade. Never leave animals in parked cars.
What this means for you
You must take proactive steps to protect yourself and others from the heat, especially on Thursday and Friday when temperatures peak. Planning your day around the heat and checking on vulnerable individuals can prevent serious health issues.
What happens next
Very warm to hot conditions are forecast to continue across London until July 15, 2026. Continue to monitor official weather updates and adjust your activities accordingly throughout this period.
Sources
- AI-Researched Primary Sources — London temperature forecast and dates (July 5-15, 2026)