Is weather a countable noun or an uncountable noun?

This is an uncountable noun. When English weather is used as a noun, it translates into "weather; Weather; Climate; Situation, uncountable nouns mean that it cannot be calculated by numbers, and the weather is uncountable, so the weather is uncountable nouns. Countless nouns are divided into individual concepts, states, qualities, feelings or things that represent material materials; Uncountable nouns have no plural form, only singular form. The indefinite articles a and an cannot be used before uncountable nouns. To express the individual meaning of uncountable nouns, it should be used together with a noun phrase, which is equivalent to numerals+(quantifiers)+nouns in Chinese. The meaning of quantifiers depends on the collocation with specific nouns.