Can weather add s?

Weather has two parts of speech: noun and verb. Here we talk about nouns

weather ['we?] n.

1. Weather, meteorological conditions, atmospheric conditions

2. Severe weather

3. Weather forecast

4. Humid cold air

5. [Commonly used plural] situation, circumstances

6. Navigation windward side, windward side

April weather (April) changeable weather/sometimes sunny and sometimes cloudy

broken weather Uncertain weather

bad weather

cold weather

in all weathers no matter what the weather is/no matter the fate is good or bad

When weather means situation or situation, add S

When it means weather, do not add s