Difference between weather and forecast in Korean
날씨·예상

날씨weather
Weather (날씨) means the condition outside, such as sunny, rainy, hot, or cold. You use this word when talking about the sky or temperature on a certain day. It is a very common word in daily conversation.

예상forecast
Forecast (예상) means a prediction about future weather. It tells us what the weather will probably be like, such as rain, sun, wind, or temperature. You can use this word when talking about weather reports or plans for later today or tomorrow.
The difference
weather (날씨) and forecast (예상) are nearby Korean vocabulary items learners often meet together. Use “weather” when Weather (날씨) means the condition outside, such as sunny, rainy, hot, or cold. You use this word when talking about the sky or temperature… Use “forecast” when Forecast (예상) means a prediction about future weather. It tells us what the weather will probably be like, such as rain, sun, wind, or te…