Today’s Weather Forecast – 21 September 2025

Gauteng Province Today’s Weather

Starting in Gauteng, a blend of sunshine and clouds characterizes the day. Morning temperatures will begin at around 14°C in Johannesburg and Soweto, gradually warming to a peak of about 23°C by the afternoon. The evening will bring cooler temperatures down to 16°C, with cloud cover expected to increase. Pretoria will mirror these trends with slightly warmer conditions throughout the day.

Expect pleasant temperatures throughout the afternoon and early evening, making it an excellent day for outdoor activities. Residents are reminded to stay hydrated and wear sunscreen if venturing out.

Western Cape Weather Forecast

Heading to the Western Cape, particularly Cape Town, the day starts at a mild 16°C. By midday, temperatures will rise to around 22°C under mostly sunny skies. However, as evening approaches, temperatures will drop to 18°C, bringing a few clouds along with it.

Stellenbosch and George will experience similar conditions, presenting warm afternoons ideal for enjoying the beautiful scenery or visiting local vineyards. Evening events should be comfortable, but a light jacket may be advisable as temperatures cool off.

KwaZulu-Natal Weather Forecast

In KwaZulu-Natal, Durban will wake up to a balmy 18°C, climbing to 25°C by midday under intervals of sunshine and clouds. The region can expect isolated thunderstorms inland by late afternoon, particularly around Pietermaritzburg, which could see temperatures of around 22°C before rain possibilities increase. Coastal areas will remain warmer, making this an enjoyable beach day, but vigilance is encouraged regarding potential afternoon storms inland.

Eastern Cape Weather Forecast

Moving to the Eastern Cape, Port Elizabeth brightens the morning with 16°C, warming up to 23°C by noon. Cloudy skies will roll in by the evening, cooling down to 19°C. Conversely, Mthatha may be met with challenges, facing possible thunderstorms and lower afternoon temperatures around 18°C. Residents are advised to keep an eye on the weather updates, especially in the eastern areas, where heavier rain could materialize.

Free State Weather Forecast

In the Free State, Bloemfontein will start its day at a crisp 13°C, with the sun bringing warmth to a high of 22°C by the afternoon. This pleasant weather will round out the day at about 18°C in the evening. Conditions will largely be clear, making it ideal for both outdoor and indoor activities alike.

Limpopo Weather Forecast

Limpopo will encounter varying conditions; while Polokwane enjoys a moderate start at 14°C, reaching 24°C by midday, Lephalale is expected to have isolated thunderstorms, impacting the recently warmer weather trends. The temperature there is likely to peak at 19°C. Residents in storm-prone areas should stay alert and be prepared for potential fluctuations in the weather.

Mpumalanga Weather Forecast

In Mpumalanga, Mbombela will experience pleasant and sunny weather, starting at 13°C and rising to 22°C during peak hours. Clouds can appear later in the day, leading to a cooler evening at 18°C. Similar warm conditions can be found in Secunda and Emalahleni, with sunshine dominating most parts of the day.

North West Weather Forecast

North West will enjoy a sunny Sunday with Mahikeng starting at 12°C and a high of 22°C later in the day, providing perfect outdoor opportunities. Rustenburg will mirror these temperatures, promoting an inviting climate for anyone looking to explore the beautiful landscapes in the area.

Northern Cape Weather Forecast

Finally, the Northern Cape will see Kimberley experience slightly colder mornings at 12°C, but this will quickly shift to highs of 24°C under abundant sunshine. Upington is poised to be warmer still, with peak temperatures reaching up to 26°C. Great care should be taken with fire safety as there are high fire risks in certain areas.

Overall, today’s weather forecast across South Africa heralds a vibrant spring day filled with sunshine and mild temperatures, making it perfect for outdoor activities. From bustling urban centers like Johannesburg and Cape Town, where conditions remain warm and sunny, to coastal and inland areas battling the occasional storm, diverse weather patterns are prominent today.

As you plan your day, remember to stay hydrated under the sun and check local forecasts, especially if you’re in a region prone to storms. For more detailed updates and local weather conditions, visit the South African Weather Service or follow them on X. Have a wonderful day today, wherever you are in South Africa!

Related: Today’s Weather Forecast – 20 September 2025