Weather forecast for this week in London - 15 Dec to 21 Dec
By Mr.Data 15th Dec 2025
By Mr.Data 15th Dec 2025
Weekly Weather Summary for London
London's upcoming week promises a mix of cloudy and partly cloudy days, characterised by moderate to high humidity levels and varying chances of precipitation. This period will see a blend of calm and breezy days, with winds reaching up to 31 mph. Temperatures will range from a chilly 2°C to a mild 13°C, indicating a typical autumn week for the capital.
Day-to-Day Forecast
Monday: The city will experience consistent cloudy skies. Expect temperatures to hover between 10°C and 11°C with a modest 13% chance of rain. Winds will be brisk at 21 mph. Humidity stands at 84%.
Tuesday: Partly cloudy conditions throughout the day will pave the way for cooler weather, with temperatures ranging from 4°C to 11°C. The chance of rain increases to 39%, and humidity peaks at 93%. Winds will slow to 11 mph.
Wednesday: Another day dominated by cloudy skies, with temperatures dropping to a minimum of 2°C and a high of 10°C. The chance of precipitation is slightly lower at 19%, and winds pick up speed to 24 mph. Humidity will reach 87%.
Thursday: Clouds prevail, bringing rain throughout the day. The mercury will rise to 13°C with a low of 11°C. A high likelihood of precipitation at 90% is expected, accompanied by strong winds at 31 mph. Humidity will be at 86%.
Friday: The day begins with rain, clearing to leave partly cloudy skies. Temperatures will range from 6°C to 11°C, and like Thursday, there's a 90% chance of rain. Winds will blow at 25 mph and humidity will remain lower at 77%.
Saturday: A partly cloudy day with a 32% chance of rain. Cooler temperatures are anticipated, between 5°C and 9°C. Winds will be gentle at 17 mph, with humidity slightly higher at 78%.
Sunday: The week concludes with a predominantly cloudy day. Temperatures range from 6°C to 9°C, and there's a steady wind speed of 14 mph. Like Saturday, there's a 32% chance of rain and the air will be 84% humid.
Comparison with Previous Weather Period
Compared to the previous period, the upcoming week in London seems cooler, and rain is likely to return midweek after a relatively drier spell. Winds overall show an increase, making this week feel more brisk and autumnal.
Commuting Advice
Given the forecast, it would be wise to carry an umbrella, especially on Thursday and Friday when rain is more probable. The winds may also impact cycling commutes, particularly on Thursday, when gusts could challenge cyclists.
Weekend Plans Advice
Planning outdoor activities would be most comfortable on Saturday when conditions are drier and cooler. However, ensuring you have a waterproof jacket on standby, given the chance of rain, would be prudent. For Sunday, prepare for cloudiness and mild temperatures if attending any outdoor events.
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