Heat wave in the west continues into Wednesday but morning fog in seven provinces

By Staff Writer
Published: 21 October 2025 [updated 22 October]

This forecast is for: Wed 22 October 2025
The maps cover: Wed 22 Oct – Fri 24 Oct

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A heat wave with persistently high temperatures continues over the Richtersveld local municipality in the Northern Cape and Matzikama local municipality in the Western Cape until Wednesday.

Very hot and uncomfortable conditions are expected over the West Coast district in the Western Cape and Kamiesberg local municipality Northern Cape until Wednesday.

From Thursday isolated showers and thundershowers are possible over the south-western parts of South Africa, otherwise fine and warm to cool.

Warnings from the SA Weather Service for Wednesday:

Extreme high fire danger conditions are expected over the western parts of the Northern Cape, north-east and extreme north-western parts of Western Cape as well as the extreme western parts of Eastern Cape.

Regional forecasts from the SA Weather Service for Wednesday:

GAUTENG
Morning fog in the south, otherwise fine and cool to warm.
The expected UVB sunburn index: High

MPUMALANGA
Morning fog along the escarpment and southern Highveld, otherwise partly cloudy andcool but warm in the Lowveld.

LIMPOPO
Morning fog along the escarpment, otherwise cloudy and cool to warm. It will become partly cloudy late afternoon.

NORTH-WEST
Fine and warm.

THE FREE STATE
Fine and warm.

THE NORTHERN CAPE
Morning fog along the escarpment, otherwise fine, windy and warm to hot. The wind along the coast will be westerly to north-westerly.

THE WESTERN CAPE
Fine and hot to very hot but extremely hot in places along the, where morning fog can be expected. The wind along the coast will be moderate to fresh south-easterly.
The expected UVB sunburn index: Very High

THE WESTERN HALF OF THE EASTERN CAPE
Morning fog in places in the south, otherwise fine and hot to very hot, but warm along the coast. The wind along the coast will be light to moderate north-easterly, reaching fresh in places.

THE EASTERN HALF OF THE EASTERN CAPE
Hot with morning fog in places south of the escarpment, otherwise fine and warm. The wind along the coast will be light north-westerly in places in the morning, otherwise light to moderate north-easterly, reaching fresh to strong in places from the afternoon.

KWAZULU-NATAL
Morning fog patches in places over the southern interior, otherwise fine and cool to warm. The wind along the coast will be light to moderate northerly to north-easterly, reaching fresh in places in the afternoon.
The expected UVB sunburn index: High

Travellers forecasts from the SA Weather Service for Wednesday:

PRETORIA
Fine.
Minimum/Maximum: 11/25°C
The expected UVB Sunburn Index: High

JOHANNESBURG
Fine.
Minimum/Maximum: 08/23°C

VEREENIGING
Fine.
Minimum/Maximum: 08/26°C

MBOMBELA
Fine.
Minimum/Maximum: 10/26°C

POLOKWANE
Fine.
Minimum/Maximum: 11/24°C

MAHIKENG
Fine.
Minimum/Maximum: 13/26°C

VRYBURG
Fine and windy.
Minimum/Maximum: 14/27°C

BLOEMFONTEIN
Fine.
Minimum/Maximum: 12/28°C

KIMBERLEY
Fine and windy.
Minimum/Maximum: 15/29°C

UPINGTON
Fine and windy.
Minimum/Maximum: 19/33°C

CAPE TOWN
Fine.
Wind: moderate south-easterly.
Minimum/Maximum: 18/35°C
The expected UVB Sunburn Index: Very High

GEORGE
Cloudy with morning fog.
Wind: light south-easterly.
Minimum/Maximum: 14/33°C

GQEBERHA
Fog possible in the morning, otherwise fine.
Wind: Light to moderate north-easterly.
Minimum/Maximum: 14/27°C

EAST LONDON
Fine.
Wind: Light to moderate north-easterly.
Minimum/Maximum: 12/28°C

DURBAN
Fine.
Wind: Light to moderate northerly to north-easterly.
Minimum/Maximum: 15/25°C
The expected UVB Sunburn Index: High

RICHARDS BAY
Fine.
Wind: Light to moderate northerly to north-easterly.
Minimum/Maximum: 13/28°C

PIETERMARITZBURG
Partly cloudy with morning fog patches, otherwise fine.
Minimum/Maximum: 09/29°C

This forecast is usually updated a few times per day.

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