Rhagolwg 10 diwrnod

Diweddarwyd 12:07

Codiad haul 06:06

Machlud haul 19:57

Trosolwg dydd



Uchel 25°C 77°F Isaf 16°C 61°F

Cwmwl ysgafn

Cyflymder gwynt 12 mya 19 km/a Dwyreiniol

Rhagolwg amgylcheddol

  • UV Cymedrol
  • Paill Cymedrol
  • Llygredd Cymedrol

Rhagolwg bob awr

London and South East England

Mae'r cynnwys hwn ar gael yn Saesneg yn unig.


Turning hot and humid across the far southeast, with some long but increasingly hazy sunny spells, and just the chance of an isolated thundery shower later. Elsewhere, cloudier at times, with showers, these heavy and thundery at times.


Further heavy and perhaps thundery showers are likely, especially during the first half of the night, before gradually easing away during the early hours of Sunday.

Rhybuddion gan y Swyddfa Dywydd ar gyfer Greater London

  1. Mewn grym

    Rhybudd melyn o law

    Diweddarwyd ar 27 Awst am 10:22
    1100 ar Sad 27 Awst
    2100 ar Sad 27 Awst

    Mae'r cynnwys hwn ar gael yn Saesneg yn unig.

    Thundery showers are expected to become more widespread later this morning and during Saturday afternoon, before easing from the southwest into the evening. Some torrential downpours are possible.

    Please be aware of the risk of surface water flooding, including local disruption to transport and outdoor activities.This warning has been updated to focus the zone at risk through today, whilst a separate warning will cover the potential for further heavy rain into Sunday, this time for more northern parts of England and Wales.


  • Melyn:
    Byddwch yn ymwybodol
  • Ambr:
    Byddwch yn barod
  • Coch:
  • Glaw
  • Gwynt
  • Eira
  • Rew
  • Niwl

Cyhoeddwyd gan y Swyddfa Dywydd


Live Travel incidents in London