Today’s Weather Forecast – 4 September 2025

As we delve into today’s weather forecast for South Africa, we can expect a mainly fine and warm day across most provinces, with a few pockets of morning fog and an elevated risk of fire in the drier regions. With temperatures peaking in the late afternoon, this report provides vital insights for all provinces, especially for major urban areas such as Johannesburg in Gauteng and Cape Town in the Western Cape. As you plan your day, stay informed about the specific conditions that could impact your activities.

Gauteng Weather

Starting with Gauteng, the heart of South Africa, we can anticipate a bright and sunny day. Johannesburg will experience temperatures starting at a comfortable 14°C and reaching a high of 27°C by mid-afternoon. Pretoria mirrors these trends with temperatures peaking around 25°C. While sunny skies dominate the day, a gentle cloud cover is expected to roll in by evening, dropping temperatures to around 18–19°C. UV levels will be high, so sun protection is advised for those spending time outdoors.

1. Gauteng Province Hourly Forecast

Note: Fine, warm, and sunny conditions with a slight cloud build-up toward evening; temperatures peak around 26–27°C in the afternoon with high UV risks.

Western Cape Weather

Moving to the Western Cape, Cape Town weather appears promising with early morning temperatures around 16°C, soaring to a warm 23°C later in the day. Expect partly cloudy conditions, particularly along the coastline, with potential for morning fog in areas like Stellenbosch and George, where temperatures will also reach the low 20s. Coastal breezes may provide some relief from the warmth; however, cooler temperatures can be anticipated in the evening.

Provincial Forecasts (06:00 | 12:00 | 18:00)

Notes: Fine and hot in the northwest; partly cloudy and cool along the coast with morning fog possible.

KwaZulu-Natal Weather

In KwaZulu-Natal, the day begins at 18°C in Durban, culminating in warmth around 24°C by noon. Morning mist may obscure visibility in regions such as Pietermaritzburg, transitioning into a clearer afternoon. Similar conditions will be felt in Richards Bay, adding a complex layer of humidity to the warmer temperatures. Afternoon sun will dominate, but it’s wise to keep an eye on UV levels, especially if you’re out to enjoy the beautiful beaches.

Notes: Morning fog patches with fine and warm conditions later; UV index high.

Eastern Cape Weather

The forecast for the Eastern Cape includes a mix of fog and warmth, particularly in Port Elizabeth, where temperatures will range from 13°C in the morning to a pleasant 23°C by midday. Swimming might be appealing during the afternoon, yet it’s important to dress in layers as temperatures drop in the evening. Mthatha also shows potential for warm weather with afternoon highs around 24°C.

Notes: Morning fog along the escarpment; generally fine and warm but cooler along the coast in the evening.

Free State Weather

Free State weather is looking fine and breezy today. In Bloemfontein, temperatures come in at a starting 12°C before climbing to a warm 24°C. Expect light winds creating a refreshing atmosphere across the province. High fire risks should be noted, so caution is advised in areas where dry grasslands exist.

Notes: Fine, windy, and warm conditions expected.

Limpopo Weather

In Limpopo, hot conditions are forecasted, with Polokwane starting the day at 15°C and reaching a peak of 27°C. Areas to the south may experience even higher temperatures, and it’s advisable for residents to stay hydrated. Fire risks remain elevated, especially in remote areas.

Notes: Fine and warm, hot in southern areas; very high fire danger.

Mpumalanga Weather

The Mpumalanga region forecasts a fine day, beginning with mild temperatures around 15°C in Mbombela and warming up to 26°C in the afternoon. The potential for dry and windy conditions encourages caution for outdoor activities—particularly in remote regions with dry foliage.

Notes: Fine, warm, and dry conditions prevail.

North West Weather

North West province offers warm weather today, starting at around 13°C and warming to 25°C in Mahikeng. Fine weather is expected throughout, yet fire risks necessitate vigilance, especially when engaging in outdoor activities where dry conditions prevail.

Notes: Fine and warm to hot; elevated fire risk.

Northern Cape Weather

Lastly, in the Northern Cape, expect hot and fine conditions, particularly in Kimberley, where temperatures hover between 14°C and a blistering 29°C. Upington may even see higher readings. Windy spells might accompany high-temperature fluctuations, impacting outdoor plans.

Notes: Fine and warm to hot; windy conditions emerging in the south.

In conclusion, today’s weather forecast for South Africa indicates a predominantly warm and sunny day, with notable variations depending on the province. Major urban centers like Johannesburg and Cape Town stand ready for a pleasant day, while other areas must remain vigilant of fire risks. Remember to dress accordingly, use sun protection, and stay hydrated as you embrace the warmth of spring. Whichever part of South Africa you find yourself in, make the most of it responsibly while keeping an eye on local weather updates through the South African Weather Service or Twitter for any changes throughout the day.

Related: Today’s Weather Forecast – 3 September 2025