In the Northern Cape, there will be morning and evening fog along the coast, otherwise it will be fine and cool to warm, with windy conditions over the central parts.
In the Western Cape, it will be cloudy to partly cloudy and cool in the west, with morning fog north of Cape Columbine, otherwise fine, warm and windy.
The western half of the Eastern Cape will be fine and cool to warm.
The eastern half of the Eastern Cape will be fine and cool, but warm in places along the coast.
There will be morning fog over the northern interior in KwaZulu-Natal, otherwise it will be a fine and cool day, but warm in places in the east.