← Back to diffwire

UK braces for 'cold plunge' as winter returns days after warmest day

5 articles | Updated 1h ago | Created 12h ago

The Met Office has warned that the United Kingdom is set to experience a sudden return to colder weather and potential snow just several days following Wednesday's record-breaking warmth. Meteorologist Alex Deakin highlighted specific risks, noting while London faces particularly cold nights with rain possible in southern areas like Birmingham, Scotland stands out as having an actual chance of falling snow by Saturday morning on March 21st.

  1. 1
    The UK is experiencing its warmest day of the year so far with temperatures reaching highs around 20C.
  2. 2
    Forecasters warn that colder weather and a chance for snow are set to return just days after this warmth, describing it as a 'cold plunge'.
  3. 3
    Specifically cold nights ahead have been predicted across London while wintry conditions may hit Scotland first before spreading elsewhere.
2026-03-21T14:03Z Met Office weather map indicates snow is forecast to fall in places, with much of the UK returning to colder conditions.
2026-03-21T12:15Z Meteorologist Alex Deakin warns Brits could face a 'cold plunge' after hotter temperatures and sunshine across much of the UK, with particularly cold nights ahead.
2026-03-21T09:17Z Temperatures reached highs of 20C on Wednesday but are expected to return to single digits next week, with snow possible for some areas.
2026-03-21T08:35Z Experts at the Met Office have named an exact date of 'cold plunge' as wintry weather is set to return soon following a week of sunshine.
2026-03-21T00:01Z After recording its warmest day on Wednesday, the Met Office forecasted cold snap bringing rain and possibly snow to parts of Britain for Saturday 21 March.
Met Office weather map shows when and where snow is forecast to hit

Following a warm day on March 18th with temperatures reaching up to 20°C at Northholt (west London), the Met Office forecasts UK-wide cooling starting Sunday, potentially dropping into single digits by Wednesday. Snowfall of around fivemm is expected in early hours for areas including Lancashire and parts of the Midlands due to a shift toward cooler north-westerly winds typical for March weather patterns.

Weather: Met Office warns of London ‘cold plunge’ after warm spell

Forecasters warn that after warm spring weather in the UK is set for sharp temperature drops starting midweek, particularly affecting London where daytime highs will fall into single digits and nights may reach frost levels by Wednesday night. Wintry conditions with snow over Scottish mountains are also expected as a cooler north-westerly flow brings unsettled skies to much of northern Britain early next week alongside stronger winds reaching coastal gales in some areas.

Snow set to hit parts of UK days after country basks in warmest day of year

After enjoying its warmest day of year on Wednesday when UK-wide highs reached 20°C (68°F), forecasters warn temperatures will plummet to single digits by next week due to frequent showers and blustery winds. A "cold plunge" is expected, with snow possible in northern Scotland while most areas face cool conditions or overnight frost later this weekend.

Met Office names exact date of 'cold plunge' as snow to return to UK

The Met Office has warned that temperatures are expected to plummet from Sunday into single digits by Wednesday night following a week with record warmth for March 2018 on parts of the UK. Snow is forecasted in northern Scotland starting late this evening and continuing through Thursday morning, marking what experts describe as an abrupt "cold plunge" after recent fine weather conditions had peaked earlier that month at around 20°C (69°F).

After warmest day of the year so far, Met Office warns of 'cold plunge'

Following Wednesday's warmest day so far with peaks reaching 20°C (68°F), UK temperatures are forecast to plummet into single digits by next week due to a "cold plunge." This weather shift brings frequent showers, blustery winds across the country, and potential snow in northern Scotland.