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tywydd

weather

NounMasculine (gwrywaidd)B1/ˈtəu̯.ɨ̞ð/

"tywydd" means "weather" in Welsh (masculine noun). Pronounced /ˈtəu̯.ɨ̞ð/. Mutation forms: Treiglad Meddal → dywydd, Treiglad Trwynol → nhywydd, Treiglad Llaes → thywydd.

Mutation forms

In Welsh, the first letter of "tywydd" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formtywydd
Treiglad Meddaldywydd
Treiglad Trwynolnhywydd
Treiglad Llaesthywydd

"tywydd" in context

Sut mae'r tywydd?

How is the weather?

A2

Mae'r tywydd yn braf heddiw.

The weather is nice today.

B1

Mae'r tywydd yn oer.

The weather is cold.

B1

A wnaiff yr Ysgrifennydd Cabinet ddatganiad wedi i Drafnidiaeth Cymru orfod canslo trenau ar linellau craidd y Cymoedd oherwydd difrod a achoswyd yn sgil y tywydd poeth dros y penwythnos?

Will the Cabinet Secretary make a statement after Transport for Wales had to cancel trains on the Valleys core lines due to damage caused by hot weather over the weekend?

C1

Fe'i hachoswyd gan dymereddau tywydd eithafol, ac mae hynny'n rhywbeth a fydd yn digwydd yn amlach.

It was caused by extreme weather temperatures, and that is something that's going to become more frequent.

B2

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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Related Welsh words

eira

snow

uwchradd

secondary, higher

glaw

rain

iâ

ice

hinsawdd

climate

gradd

degree

gwynt

wind

gwres

heat

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