Cooler day with afternoon thundershowers – Friday weather forecast

Good morning, Joburg Etc family. Here is your weather forecast for Friday, 4 September 2026.

Johannesburg is in for a cooler day, with clouds, stronger breezes, and thundershowers throughout the day. Temperatures will reach a high of 22°C. Overnight temperatures will drop to a cooler 9°C.

The UV index will reach a moderate level of 3.

Cloud cover will average around 95% during the day, while the evening is expected to be slightly clearer, with cloud cover dropping to 55%.

Winds will be north-northeasterly at around 20kph, with gusts reaching up to 39kph during the day. Overnight, winds will shift easterly to around 22kph, with gusts of up to 52kph.

There is a 90% probability of precipitation during the day, with a 35% chance of thunderstorms. This evening, there is a 78% probability of precipitation, with a 23% chance of thunderstorms.

Rainfall is expected to reach 4.7mm throughout the day, while this evening can expect 3.5mm.

Sunrise is at 6:18am, while sunset is at 5:57pm.

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Featured Image: Tania Melnyczuk/ Unsplash