Latest weather update and forecast for London.London residents can expect a day of sunny intervals and mild temperatures on August 21, 2026, with a maximum temperature of 21°C and a minimum of 11°C, making it ideal for outdoor activities. The week ahead will see a gradual warming trend, culminating in warmer temperatures by the weekend, though a slight chance of showers is forecast for August 27.Today's ForecastToday, August 21, 2026, London will experience a day characterized by sunny intervals. The maximum temperature is predicted to reach 21°C, while the minimum temperature will be around 11°C. The average temperature for the day is expected to be 16.0°C. Humidity levels will be at 76%, contributing to the comfortable feel of the day. There is a very low chance of rain, with the daily chance of rain indicated as less than 5%. Wind speeds are expected to be moderate, with a maximum of 37.01 kph.With the weather forecast predicting sunny intervals and mild temperatures, it's an ideal day for outdoor pursuits. Residents can plan for a day that is neither too hot nor too cold, making it suitable for walks in the park, visiting outdoor attractions, or simply enjoying the city's ambiance. The low chance of precipitation means umbrellas are unlikely to be needed, allowing for spontaneous plans. The comfortable wind conditions will also add to the pleasantness of the day.Looking Ahead: The Week's WeatherLooking ahead, the weather in London is set to become warmer as the week progresses. Tomorrow, August 22, will see similar conditions with a maximum temperature of 21°C and a minimum of 11°C, also featuring sunny intervals. The trend continues with August 23 expecting a high of 24°C and a low of 13°C, still under sunny intervals. By August 24, the city can anticipate a warmer day with a high of 23°C and a low of 17°C, under clear sunny skies. The warmth is expected to peak around August 25 and 26, with both days forecast to reach a high of 26°C and a low of 18°C, continuing with sunny intervals. Towards the end of the week, August 27, a slight change is expected with a high of 25°C and a low of 15°C, accompanied by a chance of light showers.