What is the Met Office's outlook for the 2025 UK winter?

The Met Office's outlook for the 2025 UK winter predicts a 55% chance of near-average temperatures and a 30% chance of milder conditions, though a weakening polar vortex could bring colder spells later in the season.

How is the UK's climate changing according to experts?

Experts warn that severe and sustained cold is becoming much less likely in the UK as the climate continues to warm, with the last truly cold winter for the country as a whole being five years ago. While isolated cold snaps may still occur, they will be less potent than in the past due to the overall warming trend.

Home / Weather / Met Office Predicts Milder Than Normal UK Winter in 2025

Met Office Predicts Milder Than Normal UK Winter in 2025

Q: What is the polar vortex and how can it impact UK winters?

The polar vortex is a large circulation of winds high above the Earth's surface that can influence winter weather patterns. A weaker polar vortex can allow cold air from the Arctic to spill southward towards the UK, leading to colder spells, while a stronger vortex tends to bring stormy and wet weather.

13 Oct, 2025

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Summary

55% chance of near-average temperatures, 30% chance of mild conditions
Polar vortex weakening could bring colder spells later in winter
Warming climate making severe UK winters increasingly rare

Met Office Predicts Milder Than Normal UK Winter in 2025

According to the Met Office's latest three-month outlook, the upcoming 2025 UK winter is most likely to bring average or milder conditions than normal. The forecast for October to December shows a 55% chance of "near-average" temperatures and a 30% chance of "mild" weather. There is only a 15% chance of "cold" conditions.

However, the outlook also notes that by December, there could be a higher chance of chillier weather than usual. This is due to the potential weakening of the polar vortex, a large circulation of winds high above the Earth's surface that can impact winter weather patterns. A weaker polar vortex can allow cold air from the Arctic to spill southward towards the UK, leading to colder spells.