天气
tiān qì
In real, traceable use. Part of the curated seed collection; community review is coming.
Traditional: 天氣
The weather: sun or rain, heat or cold, in one place at a given time. It is often the subject, followed by an adjective: 天气很冷 'it is cold', 天气不好 'the weather is bad'. Long-term climate is a different word, 气候.
Thời tiết: trời nắng hay mưa, nóng hay lạnh ở một nơi vào một lúc nào đó. Thường làm chủ ngữ, theo sau là tính từ: 天气很冷 (trời lạnh), 天气不好 (thời tiết xấu). Khí hậu lâu dài là một từ khác: 气候.
NounRegister: neutral
Examples
Editorial example (illustrative, not a corpus attestation) — awaiting a native-speaker check
Sources & notes
Hán-Việt bridge batch 064 (2026-11-14). Headword, Traditional form and pinyin checked against CC-CEDICT (CC BY-SA 4.0) source ↗ · Hán-Việt reading: Unihan kVietnamese source ↗ · No Vietnamese entry is linked as its twin; the Hán-Việt reading is given character by character. Definition, literal gloss and example sentence are original; the example has not had a native-speaker check yet.
Common questions
What does “天气” mean?
The weather: sun or rain, heat or cold, in one place at a given time. It is often the subject, followed by an adjective: 天气很冷 'it is cold', 天气不好 'the weather is bad'. Long-term climate is a different word, 气候. Literally: sky air
Is “天气” formal or informal?
天气 is generally neutral.