London weather forecast: Rain expected Tuesday, improving later in the week

London residents are bracing for a wet start to Tuesday, September 8, 2026, with a high chance of persistent light rain throughout the day. Temperatures will remain mild, with a high of 20°C and a low of 12°C, but high humidity levels of 95% are expected to make the air feel damp. Moderate winds will reach a maximum of 38.62 kph, making umbrellas and waterproof footwear essential accessories for anyone venturing outdoors. The outlook for the week ahead indicates a gradual improvement in weather conditions after Tuesday.Today, Tuesday, September 8, 2026, London will experience a predominantly wet day. The forecast indicates a high likelihood of rain, with the condition described as "Light rain." This suggests that showers are expected to be frequent and potentially persistent, making it a day where outdoor activities might be significantly impacted. The maximum temperature is predicted to reach 20°C, while the minimum temperature will be around 12°C. The average temperature for the day is expected to be 16.0°C. Humidity levels are forecast to be high, reaching 95%, which will likely make the air feel heavy and damp. Wind speeds are expected to be moderate, with a maximum of 38.62 kph.Given the high chance of rain and the persistent damp conditions, Londoners are strongly advised to carry umbrellas and wear waterproof footwear. The high humidity and the likelihood of light rain mean that staying dry will be a priority for comfort throughout the day. It would be prudent to plan indoor activities or ensure that any outdoor excursions are brief and well-equipped for wet weather. The cool to mild temperatures mean that while rain is the primary concern, layering clothing might still be beneficial for comfort.Outlook for the Week AheadLooking ahead, the weather in London is set to improve gradually after Tuesday. Wednesday, September 9, is expected to see "Sunny intervals," with temperatures remaining similar, a high of 20°C and a low of 13°C. This trend of sunny intervals is forecast to continue through Thursday, September 10, with slightly warmer conditions, reaching a high of 21°C and a low of 14°C. The latter half of the week appears to bring a mix of conditions, with Friday, September 11, predicted to be "Cloudy" with a high of 22°C and a low of 11°C. The weekend, September 12 and 13, is expected to bring more "Sunny intervals" and "Cloudy" spells respectively, with temperatures climbing to a high of 23°C and a low of 15°C. The week is expected to end with "Cloudy" skies on Sunday, September 14, with a high of 24°C and a low of 16°C. Overall, after a wet start, the week promises a transition to more varied, and generally milder, conditions.Catch the latest World News and Live updates. Download the TOI app.