What does the weather forecast mean in the 1980s?

80s means 80 degrees Fahrenheit (80 degrees Fahrenheit).

The following is an example: (from an English weather forecast manuscript)

There will be showers this afternoon, but it should be quite scattered. The highest temperature is still about 55 degrees below the average. It's raining harder tonight. The total rainfall will exceed 1 tomorrow.

There were some light showers in the afternoon, and the highest temperature was still below average, about 55 degrees Fahrenheit. There will be heavy rain tonight and tomorrow, and the general rainfall award exceeds 1 inch.

Among them, "50 s" means 55 degrees Fahrenheit (55 degrees Fahrenheit).

Fahrenheit is a commonly used unit for measuring temperature in the west, and it is more inclined to use Celsius in meteorology.