South Africa Weather Today – Sunday, 16 August 2026
Johannesburg is experiencing a crisp winter morning with temperatures ranging from 6°C to 18°C under clear skies on Sunday, 16 August 2026. A high-pressure system continues to dominate most of South Africa, delivering clear conditions across the interior provinces while coastal regions contend with cloud cover and moderate winds. The national average temperature sits at 17°C, with the warmest readings recorded in Mpumalanga and the Eastern Cape at 24°C.
What This Means for Your Day
Morning frost remains a concern in Gauteng, Free State and parts of Limpopo, with temperatures dropping to 6°C in Johannesburg and Bloemfontein. Residents should allow extra time for vehicle defrosting and take care on icy patches. The interior provinces will warm considerably by midday, offering comfortable conditions for outdoor activities. Coastal areas in the Western and Eastern Cape will see persistent cloud cover with winds reaching 16 km/h in Gqeberha, making it feel cooler than recorded temperatures suggest. Layer clothing appropriately and keep jackets handy for early morning and evening hours.
South Africa Weather Highlights
- Mpumalanga and Eastern Cape record the highest temperatures at 24°C
- North West reaches 23°C with minimal wind
- Johannesburg, Bloemfontein and Polokwane start at 6°C to 7°C overnight lows
- KwaZulu-Natal coastal wind speeds reach 17 km/h in Durban
- Western Cape remains overcast with temperatures between 12°C and 17°C
What to Expect Across the Provinces
Gauteng
Johannesburg reports clear skies with temperatures climbing from 6°C to 18°C. Light south-westerly winds at 4 km/h and humidity at 40% ensure comfortable midday conditions. The cold start requires warm clothing for early commuters, but the afternoon will bring mild winter sunshine suitable for outdoor errands.
Limpopo
Polokwane sees clear conditions with temperatures ranging from 7°C to 20°C. South-south-easterly winds blow at 6 km/h with humidity at 51%. The province enjoys typical winter weather with cold mornings giving way to pleasant afternoons, ideal for farmers and outdoor workers once the sun gains strength.
Mpumalanga
Mbombela registers the joint-highest provincial maximum at 24°C, rising from an overnight low of 11°C. Clear skies and easterly winds at 3 km/h create favourable conditions across the Lowveld. The 48% humidity level keeps the air comfortable, making this one of the warmer regions in the country today.
North West
Mahikeng reaches a high of 23°C from a morning low of 11°C under clear skies. East-north-easterly winds remain light at just 1 km/h, with humidity dropping to 30%-the driest conditions recorded nationally. The province continues its settled winter pattern with ample sunshine throughout the day.
Free State
Bloemfontein experiences few clouds with temperatures between 6°C and 20°C. North-north-westerly winds at 5 km/h and 46% humidity accompany the partly cloudy conditions. The morning frost clears quickly, but residents should prepare for another cold start on Monday as overnight temperatures remain low.
KwaZulu-Natal
Durban maintains clear skies with a narrow temperature range of 17°C to 21°C. Strong north-easterly winds at 17 km/h-the highest in the country-affect coastal areas, while humidity sits at 67%. The coastal wind chill factor makes it feel cooler than the actual temperature, particularly for beachgoers and early morning walkers along the promenade.
Northern Cape
Kimberley reports clear skies with temperatures from 8°C to 22°C. Northerly winds blow at 12 km/h with 41% humidity. The province enjoys stable winter conditions typical of the interior, with strong sunshine expected to dominate throughout the day once the cold morning passes.
Eastern Cape
Gqeberha sees broken clouds with temperatures between 16°C and 24°C. North-north-westerly winds at 16 km/h combine with 55% humidity to create breezy coastal conditions. The cloud cover persists through the day, reducing direct sunshine but keeping temperatures mild compared to the colder interior regions.
Western Cape
Cape Town remains under overcast clouds with temperatures ranging from 12°C to 17°C. Northerly winds at 14 km/h and 71% humidity-the highest in South Africa today-create damp conditions. The persistent cloud cover typical of Cape winter weather continues, with little chance of sunshine breaking through before evening.
Weekend Outlook
The clear, settled pattern will persist across most provinces through next weekend. Johannesburg temperatures will climb steadily from Monday’s 11°C to 21°C high, reaching 25°C by Thursday as a gradual warming trend takes hold. Interior provinces can expect daily maximums increasing by 2°C to 3°C through the week, while overnight lows also rise, reducing frost risk by midweek. Coastal regions will see cloud cover gradually clearing from Tuesday, with Durban and Gqeberha expected to receive more sunshine by next weekend. No significant rainfall is forecast for any province over the next five days.
Weather Tips for Today
- Scrape frost from windscreens in Gauteng, Free State and Limpopo before driving
- Layer clothing to adjust as temperatures rise 12°C or more between morning and afternoon
- Coastal residents in KwaZulu-Natal and Eastern Cape should secure outdoor items against moderate winds
- Drink adequate water in North West and Northern Cape where low humidity increases evaporation
- Western Cape residents should carry rain jackets as overcast conditions may produce light drizzle
- Take advantage of clear afternoon conditions in Gauteng and Mpumalanga for outdoor maintenance tasks
Useful Weather and Travel Links
Looking for more to do after checking the forecast? Explore the latest events in Gauteng and plan your day around the weather.
You can also browse our weather category for more South Africa weather updates and recent forecast articles.
For official forecasting and weather advisories, visit the South African Weather Service.
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