WEATHER: Showers in Johannesburg, thunderstorms in Pretoria on Wednesday

In Johannesburg, the forecast calls for a mostly cloudy day with the possibility of thunderstorms in isolated spots. AccuWeather projects a daytime high around 24 °C, with cloud cover lingering through the afternoon.

Winds will blow from the north-northwest at about 13 km/h, gusting higher, making for somewhat unsettled conditions. There’s roughly a 55% chance of precipitation, and storm activity may intensify briefly.

As evening arrives, the skies remain overcast, and the probability of rain drops, though a few thunderclaps may linger.

Temperatures are expected to dip to around 14 °C overnight.

Moving to Pretoria, the day starts under overcast skies, with pockets of thunderstorms likely across the region. Temperatures will peak around 23 °C, and even with strong cloud cover, the UV Index will still reach very high levels.

Wind is forecast from the north-northeast at approximately 16 km/h, with gusts close to 40 km/h, potentially intensifying the stormy feel. There's a 55% chance of rain, and thunderstorm activity is expected to persist into the evening, when more thundershowers may develop. 

Overnight, it will cool to about 15 °C, with continued cloudiness and a decent chance of further rain.