Weather forecast for this week in London - 17 Aug to 23 Aug
By Mr.Data 17th Aug 2026
Weekly Weather Forecast for London
This week in London promises a mix of partly cloudy and cloudy skies, with temperatures fluctuating between pleasant highs of 27°C and cooler lows of 13°C. Humidity levels will range from 41% to 59%, while the wind will vary from gentle to brisk. A slight chance of precipitation is anticipated, particularly as the week progresses, with Thursday having the highest probability of rain at 48%. Overall, it appears to be a mild and comfortable week, ideal for outdoor activities, barring the slight chance of rain. Compared with previous weeks, this forecast presents slightly cooler temperatures and higher humidity, alongside an increased chance of precipitation.
Monday: Expect partly cloudy conditions throughout the day, with temperatures peaking at 27°C and dipping to a low of 18°C. With no expected precipitation and a humidity level of 50%, the weather will be quite comfortable. Winds will be moderate at 13mph.
Tuesday: The skies will be predominantly cloudy, with a maximum temperature of 26°C and a minimum of 18°C. Humidity will rise to 56%, and there is a 32% chance of rain. Winds will pick up slightly to 18mph.
Wednesday: The weather will be partly cloudy once more, with temperatures ranging from a high of 23°C to a low of 16°C. Humidity will be around 52%, with a 39% chance of precipitation. Expect stronger winds at 25mph, which might make it feel cooler.
Thursday: Another partly cloudy day, with similar temperature ranges of 23°C and 15°C. Humidity will be 59%, and the chance of rain is higher at 48%. Winds will relax to 17mph.
Friday: Clouds will increase in the afternoon, bringing maximum and minimum temperatures of 20°C and 13°C, respectively. Humidity levels will stay at 52%, with a 42% chance of rain. Winds will be mild at 13mph.
Saturday: Partly cloudy skies are expected throughout, with a high of 21°C and a low of 14°C. Lower humidity at 46% and a moderate 36% chance of rain. Winds will remain gentle at 13mph.
Sunday: Ending the week with partly cloudy weather, temperatures will be comfortable, reaching 25°C and dropping to 15°C in the evening. Humidity will be the lowest of the week at 41%, with a slight 16% chance of rain. Winds will be calm at 9mph.
Commuting Advice: The weather conditions should not pose significant disruptions to commuting. However, on Wednesday and Thursday, with increased wind speeds and a higher chance of rain, ensure to carry an umbrella and dress to keep warm.
Advice for Weekend Plans: With mostly dry and moderately warm conditions expected, this weekend is ideal for outdoor activities. Sunday, in particular, promises pleasant weather, suitable for picnics or exploring the city's parks and attractions. Just keep an eye on potential rain on Saturday and plan accordingly.
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