Today’s Weather Forecast – Monday, 18 August 2025
South Africa welcomes Monday, 18 August 2025, with a varied weather outlook across its diverse provinces. From the early morning fog blanketing key regions to the warm afternoon sunshine expected in many parts, today’s weather presents a mix of calm, cool, and breezy conditions. As South Africans prepare for the day ahead, this comprehensive forecast provides essential details on temperatures, sky conditions, and any notable weather warnings to help everyone stay safe and plan effectively, no matter where they are in the country.
ALSO READ: Gauteng Tourism Month 2025: What to Expect from South Africa’s Visitor Hub
Table of contents
Weather Warnings for Today
- No severe impact-based weather warnings (such as cold fronts, severe flooding, or disruptive snowfall) have been issued for South Africa today.
- Extremely high fire danger has been declared over two regions: Dr Beyers Naude local municipality (Eastern Cape) and Kareeberg local municipality (Northern Cape). Exercise caution with any open flames or fire-related activities in these areas.
- Expect morning fog patches in several provinces, including much of the interior and along the coastlines.
Provincial Weather at a Glance
As Monday unfolds across South Africa, residents can anticipate a day marked by mostly mild temperatures, morning fog, and some isolated showers in select eastern areas. While sunshine warms many provinces in the afternoon, caution is advised in parts of the Eastern and Northern Cape where fire danger remains high.
1. Gauteng Weather
Johannesburg, Pretoria, and neighboring cities start off cool beneath partly cloudy skies. Johannesburg sees a chilly morning (11°C), warming to about 22°C in the afternoon. Pretoria begins at 12°C, climbing to 24°C. Weather remains stable, UVB sunburn index is high, and no rain is expected today.
- Weather remains stable across the province, the UVB sunburn index is high, and no rain is expected today.
| City | Min | Max | Conditions |
|---|---|---|---|
| Johannesburg | 11°C | 22°C | Partly cloudy, cool |
| Pretoria | 12°C | 24°C | Partly cloudy, cool |
| Soweto | 11°C | 22°C | Partly cloudy, cool |
| Benoni | 12°C | 23°C | Partly cloudy, cool |
| Centurion | 12°C | 24°C | Partly cloudy, cool |
| Midrand | 11°C | 22°C | Partly cloudy, cool |
| Alberton | 12°C | 23°C | Partly cloudy, cool |
| Germiston | 12°C | 23°C | Partly cloudy, cool |
| Vanderbijlpark | 11°C | 23°C | Partly cloudy, cool |
| Krugersdorp | 11°C | 22°C | Partly cloudy, cool |
2. Western Cape Weather
Morning fog overspreads Cape Town and the south coast, which lifts to reveal cool-to-warm, partly cloudy conditions later. Cape Town transitions from 11°C to 20°C. Partly cloudy along the western and southwestern coastlines. Winds will pick up in the afternoon.
| City | Min | Max | Conditions |
|---|---|---|---|
| Cape Town | 11°C | 20°C | Fog, then cloudy |
| Stellenbosch | 10°C | 21°C | Cloudy, light fog |
| George | 10°C | 18°C | Cloudy, fog, cool |
3. KwaZulu-Natal Weather
Prepare for morning mist and clouds inland, with winds strengthening from the northeast along the coast. Durban (15°C to 25°C) and Pietermaritzburg (13°C to 21°C) both foresee isolated showers—rain is expected mainly in the extreme northeast. The UVB index is very high.
| City | Min | Max | Conditions |
|---|---|---|---|
| Durban | 15°C | 25°C | Foggy, becoming warm |
| Pietermaritzburg | 13°C | 21°C | Foggy, partly cloudy |
| Richards Bay | 16°C | 25°C | Morning fog, warm |
4. Eastern Cape Weather
The Dr Beyers Naude area faces high fire risk. Elsewhere, expect morning fog and later partly cloudy, cool-to-warm weather. In the east, expect isolated showers and thunderstorms.
| City | Min | Max | Conditions |
|---|---|---|---|
| Port Elizabeth | 11°C | 20°C | Fog, cloudy |
| East London | 12°C | 21°C | Fog, isolated showers |
| Mthatha | 10°C | 20°C | Morning fog, showers |
5. Free State Weather
Partly cloudy and windy define the day. Bloemfontein remains cool (11°C to 23°C), and the whole region remains rain-free but breezy.
| City | Min | Max | Conditions |
|---|---|---|---|
| Bloemfontein | 11°C | 23°C | Windy, cloudy |
| Welkom | 12°C | 25°C | Cloudy, breezy |
| Bethlehem | 7°C | 21°C | Windy, partly cloudy |
6. Limpopo Weather
Expect widespread morning fog, giving way to warm, partly cloudy weather and isolated showers in the east. Polokwane (9°C to 22°C) and Lephalale (11°C to 27°C) both warm up in the afternoon.
| City | Min | Max | Conditions |
|---|---|---|---|
| Polokwane | 9°C | 22°C | Foggy start, partly cloudy |
| Lephalale | 11°C | 27°C | Warm, partly cloudy |
| Musina | 14°C | 24°C | Warm, isolated showers |
7. Mpumalanga Weather
Look for morning fog patches and a cool start inland. Later, drizzle is expected along the escarpment. Mbombela warms up from 12°C to 25°C. The east will be slightly warmer overall.
| City | Min | Max | Conditions |
|---|---|---|---|
| Mbombela | 12°C | 25°C | Foggy, drizzle on escarpment |
| Emalahleni | 9°C | 22°C | Morning fog, partly cloudy |
| Ermelo | 7°C | 22°C | Fog, partly cloudy |
8. North West Weather
The province is in for a bright and breezy day, partly cloudy and cool-to-warm, with pronounced windiness. Klerksdorp ranges from 10°C to 26°C, while Rustenburg experiences similar trends.
| City | Min | Max | Conditions |
|---|---|---|---|
| Klerksdorp | 10°C | 26°C | Windy, partly cloudy |
| Rustenburg | 11°C | 25°C | Partly cloudy, warm |
| Mahikeng | 11°C | 25°C | Breezy, partly cloudy |
9. Northern Cape Weather
Kareeberg faces a continued extreme fire risk. Expect morning fog along the coast, otherwise cool to warm with gusty, dry winds elsewhere. The extreme south will remain cold.
| City | Min | Max | Conditions |
|---|---|---|---|
| Kimberley | 9°C | 23°C | Windy, partly cloudy |
| Upington | 10°C | 25°C | Breezy, sunny intervals |
| Springbok | 8°C | 22°C | Foggy coast, then warm |
Special Weather Notes for Today
- Morning fog is expected in Gauteng, Mpumalanga, Limpopo, Northern Cape (coastal), Western Cape, Eastern Cape, and KwaZulu-Natal (interior).
- Fire danger remains a concern in certain parts of the Eastern and Northern Capes.
- No major thunderstorms or severe cold fronts are predicted, but keep umbrellas handy in select eastern regions and along the escarpment in Mpumalanga and Limpopo.
- UVB index: High to very high in most provinces. Use sunscreen and wear hats outdoors.
How to Prepare
- Dress in layers for cool mornings and warmer afternoons.
- Exercise fire caution in high-risk municipalities.
- Use sunscreen—the sunburn risk is notable today.
- Be ready for drizzle or showers, particularly in the east and on escarpment areas.
- Check for fog before long commutes in the morning.
Have A Lovely Day
By staying informed and prepared, South Africans can navigate today’s weather comfortably and safely, making the most of the varied conditions the day has to offer. Enjoy the natural beauty of the country while staying vigilant against localized weather hazards.
For more details or hourly updates, visit the South African Weather Service or their official social media. Stay safe and enjoy your Monday across South Africa!
