降温 (jiàng wēn): To become cooler (Verb) — Meaning & Stroke Order

The weather forecast says it will become cooler tomorrow.

Perhaps the temperature will drop tomorrow, so you should wear more clothes.

Quickly put a wet towel on his chest to help bring his temperature down.

Although a temperature drop was forecast, the afternoon sun remained warm and pleasant.

Don't forget to bring your down-filled coat before going out; the weather forecast says it will get colder in the evening.