SUNDAY WEATHER: The heat wave continues but much cooler in the south with widespread rainfall in places

By Staff Writer
Published: 17 October 2026

This forecast is for: Sun 18 October 2026
The maps cover: Sun 18 Oct – Mon 19 Oct


A heat wave with persistently high temperatures is expected in places on the Mpumalanga Highveld and southern parts of the Mpumalanga Lowveld, persisting until Monday.

Very hot to extremely hot temperatures will result in uncomfortable conditions in places in the Mpumalanga Lowveld and across Limpopo on Monday.

Warnings from the SA Weather Service:

A. level 2 warning for severe thunderstorms with heavy downpours, damaging winds resulting in localised damage to infrastructure and settlements, localised flooding of susceptible roads and bridges over the western and southern interior of KwaZulu-Natal.

Extremely high fire danger conditions are expected over the central interior, in places in western Mpumalanga and in places in Eastern Cape as well as most places in Gauteng and Limpopo.

Regional forecasts from the SA Weather Service:

GAUTENG
Partly cloudy and warm to hot.

Check weather for Gauteng on myDorpie.

MPUMALANGA
Fog patches over extreme south-east, otherwise fine and warm to hot, becoming partly cloudy in the afternoon, except in the north-east. It will be very hot in the Lowveld.

Check weather for Mpumalanga on myDorpie.

LIMPOPO
Fine and hot to very hot, becoming partly cloudy in the south in the afternoon.

Check weather for Limpopo on myDorpie.

NORTH WEST
Fine and hot to very hot, becoming partly cloudy with isolated afternoon showers and thundershowers in the west, where it will be windy.

Check weather for North West on myDorpie.

THE FREE STATE
Fine, windy and hot, becoming partly cloudy with isolated to scattered afternoon showers and thundershowers, except in the north-east. It will be windy in the west.

Check weather for the Free State on myDorpie.

THE NORTHERN CAPE
Partly cloudy, windy, and hot to very hot, with isolated showers and thundershowers in the central and eastern parts. The wind along the coast will be fresh to strong south to south-easterly.

Check weather for the Northern Cape on myDorpie.

THE WESTERN CAPE
Cool along the west coast and extreme north-eastern parts, otherwise cloudy and cold with isolated to scattered showers and rain along the south coast and adjacent interior, spreading northwards during the day. It will become fine over the extreme western parts from the evening. The wind along the coast will be moderate to fresh south to south-easterly, but strong at times along the west coast. It will become moderate to fresh west to south-westerly south of Cape Point and along the south coast during the afternoon.

Check weather for the Western Cape on myDorpie.

THE WESTERN HALF OF THE EASTERN CAPE
Cloudy and cool with isolated showers and rain in the extreme north, otherwise scattered, but widespread along the coast and adjacent interior. The wind along the coast will be moderate to fresh south-westerly, becoming fresh to strong south-easterly in the evening.

Check weather for the Eastern Cape on myDorpie.

THE EASTERN HALF OF THE EASTERN CAPE
Cloudy and cool to warm with scattered showers and thundershowers, but isolated in the north-west. The wind along the coast will be moderate to fresh north-easterly, becoming south-easterly in the extreme south in the evening.

Check weather for the Eastern Cape on myDorpie.

KWAZULU-NATAL
Morning fog patches over the interior, otherwise partly cloudy and warm to hot. Scattered showers and thundershowers are expected but isolated in the north, except in the extreme north-east. The wind along the coast will be moderate southerly to south-westerly, becoming moderate easterly to northeasterly from the south towards afternoon spreading northwards.

Check weather for KwaZulu-Natal on myDorpie.

Travellers forecasts from the SA Weather Service:

PRETORIA
Partly cloudy.
Minimum/Maximum: 17/34°C

JOHANNESBURG
Partly cloudy.
Minimum/Maximum: 14/32°C

VEREENIGING
Partly cloudy.
Minimum/Maximum: 15/32°C

MBOMBELA
Fine, becoming partly cloudy in the afternoon.
Minimum/Maximum: 17/32°C

POLOKWANE
Fine.
Minimum/Maximum: 19/31°C

MAHIKENG
Fine, becoming partly cloudy.
Minimum/Maximum: 16/35°C

VRYBURG
Fine, becoming partly cloudy with isolated afternoon thundershowers.
Minimum/Maximum: 16/35°C

BLOEMFONTEIN
Partly cloudy with isolated afternoon thundershowers.
Minimum/Maximum: 15/34°C

KIMBERLEY
Partly cloudy with isolated afternoon thundershowers.
Minimum/Maximum: 17/33°C

UPINGTON
Partly cloudy with isolated afternoon thundershowers.
Minimum/Maximum: 15/30°C

CAPE TOWN
Cloudy at times.
Wind: Moderate to fresh south to south-westerly.
Minimum/Maximum: 13/18°C

GEORGE
Cloudy with scattered showers and rain.
Wind: Light to moderate southerly in the morning, otherwise light westerly.
Minimum/Maximum: 12/14°C

GQEBERHA
Cloudy with widespread showers and rain.
Wind: Moderate to fresh south-westerly, becoming fresh to strong south-easterly in the evening.
Minimum/Maximum: 17/19°C

KuGOMPO CITY
Cloudy with scattered showers and rain. Thundershowers are possible in the evening.
Wind: Moderate to fresh north-easterly.
Minimum/Maximum: 17/22°C

DURBAN
Partly cloudy scattered showers and thundershowers in the afternoon.
Wind: Light south-westerly, becoming moderate easterly to north-easterly in the afternoon.
Minimum/Maximum: 21/26°C

RICHARDS BAY
Partly cloudy with isolated showers and thundershowers in the afternoon.
Wind: Light south-westerly, becoming moderate easterly to north-easterly in the afternoon.
Minimum/Maximum: 20/30°C

PIETERMARITZBURG
Morning fog, otherwise partly cloudy becoming cloudy with scattered showers and thundershowers in the afternoon.
Minimum/Maximum: 16/29°C

This forecast is usually updated a few times per day.



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