Weather in South Africa - today, tomorrow and 14-day forecast
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in South Africa's cities today
Weather map - today's temperatures
Next days in South Africa
How does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Monday 7 Sept in South Africa, the forecast high is 15°C. Typical daytime temperatures at this time of year range from 21°C to 26°C, so it will be exceptionally cool. It is cooler than 99% of similar days.
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
From 1981 to 2025, the 5-11 Sept period averaged 24°C by day. The coolest year was 1981 (19°C) and the warmest was 2017 (28°C). The current forecast averages 19°C - lower than in 100% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - South Africa
South Africa 30 & 45-day weather - long-range outlook
Today vs the next days - South Africa cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| 🌧️ Welkom | 21℃ | 19℃ | 25℃ | 14.5 mm |
| 🌧️ Pretoria | 21℃ | 19℃ | 25℃ | 0.2 mm |
| 🌧️ Bloemfontein | 20℃ | 19℃ | 25℃ | 16.4 mm |
| 🌧️ Durban | 19℃ | 22℃ | 21℃ | 0.1 mm |
| 🌤️ Soweto | 19℃ | 18℃ | 23℃ | 1.3 mm |
| ☀️ Cape Town | 18℃ | 23℃ | 17℃ | 23 mm |
| 🌧️ Johannesburg | 18℃ | 17℃ | 22℃ | 0.2 mm |
| 🌧️ East London | 18℃ | 24℃ | 16℃ | 2.3 mm |
| 🌧️ Port Elizabeth | 17℃ | 27℃ | 15℃ | 1.8 mm |
| 🌤️ Eastern Cape | 11℃ | 16℃ | 7℃ | 10.7 mm |
Day-by-day forecast for South Africa
Sea temperature - South Africa
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Durban | 22℃ | 22℃ | 2.1 m | pleasant |
| East London | 19℃ | 18℃ | 2 m | cold |
| Port Elizabeth | 17℃ | 17℃ | 2.2 m | cold |
| Cape Town | 11℃ | 13℃ | 2.1 m | very cold |
Air quality and smog in South Africa
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Pretoria | 13.1 | 13.7 | good |
| Richards Bay | 12.5 | 21.1 | very good |
| Krugersdorp | 12.4 | 13.1 | very good |
| East London | 9.8 | 17 | very good |
| Centurion | 9.7 | 10.2 | very good |
| Botshabelo | 8.5 | 8.8 | very good |
| Kapsztad | 7.7 | 12.2 | very good |
| Uitenhage | 7.5 | 11.9 | very good |
| Bloemfontein | 7.5 | 7.7 | very good |
| Johannesburg | 7.3 | 7.7 | very good |
| Tembisa | 7.1 | 7.5 | very good |
| Benoni | 7.1 | 7.5 | very good |
| Vereeniging | 5.4 | 5.8 | very good |
| Witbank | 4.9 | 5.1 | very good |
| Newcastle | 4 | 4.2 | very good |