Latest weather update and forecast for London.London residents can expect a warm and sunny start to the week, with temperatures climbing significantly throughout the day on August 12, 2026. The day will be characterized by clear skies and a pleasant breeze, offering ideal conditions for outdoor activities. The mercury is expected to reach a high of 32°C with humidity levels around 75% and a minimal chance of rain. This warm and sunny trend is forecast to persist through the week, with a slight moderation in temperatures towards the latter half.Today's Detailed ForecastToday, August 12, 2026, London will experience a predominantly sunny day. The maximum temperature is forecast to reach a warm 32°C, while the minimum temperature will be around 18°C. This significant temperature range suggests a warm afternoon followed by a mild evening. The average temperature for the day is expected to be 25.0°C.The air will feel warm due to the high humidity, which is predicted to be around 75%. While the skies are expected to remain clear for most of the day, there is a very low chance of precipitation, less than 5%. Wind speeds will be noticeable, with a maximum of 28.97 kph, providing some relief from the heat. The sunrise is expected at 05:41 and sunset at 20:29, offering a long day with ample daylight.Advice for ResidentsWith a warm and sunny day ahead, Londoners are advised to make the most of the pleasant weather. It's an excellent opportunity for outdoor pursuits, whether it's a picnic in the park or a stroll along the Thames. However, given the high temperatures and humidity, it is crucial to stay hydrated throughout the day.Residents should consider wearing light, breathable clothing and applying sunscreen to protect their skin from the sun's rays. The moderate wind speeds should offer some comfort, but the overall warmth means that staying cool and hydrated will be key to enjoying the day comfortably. Evening activities should also be pleasant, with temperatures remaining mild after sunset.Outlook for the WeekLooking ahead, the warm and sunny weather is expected to continue for the next few days. Tomorrow, August 13, will see a further increase in temperatures, with a high of 36°C, making it the warmest day of the forecast period. The sunshine is set to persist, with conditions remaining dry.The latter half of the week will see a slight moderation in temperatures, though still remaining warm. On August 15 and 16, the maximum temperatures are predicted to be around 26°C, with sunny intervals expected. By August 17, the weather might turn slightly cloudier, with a maximum temperature of 26°C. The week is expected to conclude with partly cloudy skies and a maximum temperature of 25°C on August 18. Overall, the trend indicates a consistently warm week with minimal chances of significant rainfall.