Crynodeb y Byd

Vancouver 21°C 70°F
Mexico City 16°C 61°F
Honolulu 27°C 81°F
22°C 72°F New York
10°C 50°F Buenos Aires
Reykjavik 11°C 52°F
London 14°C 57°F
Cairo 24°C 75°F
11°C 52°F Cape Town
18°C 64°F Moscow
31°C 88°F Kuala Lumpur
21°C 70°F Tokyo
14°C 57°F Sydney

Nodweddion a Dadansoddiad

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

Weather for the week ahead

After the recent heat and thunderstorms there'll be something cooler heading our way this week.

The science behind the pollen count

The pollen count is an important part of the weather forecast for the estimated 31 million people who suffer from hayfever.

Weather around the world

From storms in the Pacific to a red alert for heat in Europe, here's a look at some of the extreme weather around the globe.

Fideo Rhagolwg

Rhagolwg North America Diweddarwyd 01:17, Llun 6 Gor Mae’r fideo yma ar gael yn Saesneg yn unig.