London weather: 21C highs forecast for Tuesday, October 13
Forecasters predict a return to warmer, sunny conditions after a period of rain and cooler temperatures.
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London is set to experience a return to warmer weather next week, with temperatures forecast to reach 21C on Tuesday, October 13, 2026. The Met Office predicts sunny intervals for the capital on this day, marking a significant shift from the preceding weather.
Rainy start to the week
London hits 28.1C as September ranks among UK's warmest
The capital recorded its highest temperature for the month as England faces ongoing water use restrictions.
The week will begin with cooler temperatures and rain. Monday, October 12, is expected to see rain showers throughout the day, with temperatures around 18C. This follows a weekend where sunny spells were forecast with highs of 15C to 16C on Saturday, October 10, and Sunday, October 11.
Extended period of warmth
Following Tuesday's peak, the warmer weather is anticipated to continue. Wednesday, October 14, and Thursday, October 15, are forecast to have sunny conditions with highs of 20C. Temperatures are then expected to dip back to around 15C from Friday, October 16, onwards into the following weekend.
London faces higher risk of extreme winter weather
Record-breaking El Niño event increases likelihood of severe conditions, scientists warn.
Met Office chief forecaster Andy Page stated that temperatures in the south of the UK will reach approximately 15C during clearer periods between showers. A spokesperson for the Met Office described the forthcoming weather as a 'smorgasbord of weather types, with swings from relatively balmy conditions to relatively cool,' adding that this variability is typical for autumn.
The Met Office's long-range forecast indicates that temperatures for the period are 'likely to be a little above average in many areas for the period as a whole, and potentially quite warm in parts of the southeast at times.' While brief cooler interludes are possible, the overall outlook suggests a generally mild autumn.
Questions this report answers
+When will London see warmer weather?
Warmer weather is forecast for London starting Tuesday, October 13, 2026, when temperatures are expected to reach 21C. This follows a day of rain and cooler temperatures on Monday, October 12.
+What is the weather forecast for Monday, October 12?
On Monday, October 12, 2026, London is predicted to experience rain showers throughout the day. Temperatures are expected to be around 18C, a drop from the weekend's highs.
+How long will the warmer weather last?
The warmer conditions are expected to continue for several days. Following the 21C high on Tuesday, October 13, temperatures are forecast to remain around 20C on Wednesday and Thursday, October 14 and 15.
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