Today's weather in London - 18 September
By Mr.Data 18th Sep 2025
By Mr.Data 18th Sep 2025

Weather Forecast for London: Thursday
Today's weather forecast for London anticipates a day under cloudy skies. With no expected rainfall, it seems likely that the day will remain dry despite the overcast conditions. Temperatures will range from a mild 17°C at the low end, reaching up to 22°C at the highest. A high humidity levels of 82% may make the day feel a bit clammy. With a steady windspeed of 23 mph, expect breezy conditions throughout Thursday. Although the weather may lack sunshine, it remains conducive for both indoor and certain outdoor activities.
Detailed Weather Overview:
As London wakes up on Thursday, residents will be greeted with cloudy skies covering the skyline. The grey clouds, however, do not come with a threat of rain, as there is a remarkable 0% chance of precipitation. The temperatures for the day are predicted to lie comfortably between 17°C and 22°C. While these temperatures are quite pleasant, the high humidity level of 82% could make it feel a bit warmer and more humid than the thermometer suggests.
A significant weather element today is the brisk winds, blowing steadily at 23 mph. This wind speed might add a bit of chill to the air, providing some relief from the humidity as it cuts through the cloud cover, offering a refreshing breeze but also resulting in wind chill. It is advisable to be prepared for the gusty conditions, particularly in open areas.
Commuting Advice:
Thursday's weather conditions are largely favourable for commuters, with the absence of rain ensuring clear, albeit grey, roads and public transport routes. However, the steady breeze of 23 mph might necessitate a firm grip on umbrellas and hats as you navigate your commute. For those cycling, it is recommended to remain cautious of the wind, especially in more exposed areas where gusts may cause imbalance.
Advice of the Day:
Dress in layers today to adjust for the mild temperatures and breezy conditions. A light waterproof layer might be handy to combat the wind, although rain isn't expected. Given the high humidity, it is also advisable to keep hydrated, particularly if you plan to remain active throughout the day. Take advantage of the dry conditions for any planned outdoor activities but be prepared for the wind.
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