A wet Saturday ahead with thunderstorm warnings covering four provinces

By Staff Writer
Published: 17 October 2025 [updated 18 October]

This forecast is for: Sat 18 October 2025
The maps cover: Sat 18 Oct – Mon 20 Oct

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Fine over the western interior on Saturday, otherwise partly cloudy and cool to warm with isolated to scattered showers and thundershowers over the central and eastern parts of the country. Rain and showers can also be expected in places along the south coast and adjacent interior.

Extremely uncomfortable conditions are expected over the extreme north-eastern parts of KwaZulu-Natal on Saturday.

ALSO READ: More snowfall possible for Lesotho and the Drakensberg from Saturday until Tuesday (18-21 October).

Warnings from the SA Weather Service for Saturday:

A. level 2 warning for severe thunderstorms resulting in strong damaging winds, large amounts of small hail/large hail in an open area, and heavy downpours leading to localised flooding of susceptible areas (settlements, roads and bridges), and excessive lightning is expected over most parts of Free State, western parts of North West and KwaZulu-Natal, and north-eastern parts of the Northern Cape.

B. level 1 warning for damaging winds resulting in localised disruption of small harbours/ports for a short period of time, small vessels at risk of taking on water and capsizing in a locality and difficulty in navigation are expected along the KwaZulu-Natal coast between Port Edward and Durban.

Regional forecasts from the SA Weather Service for Saturday:

GAUTENG
Cloudy and cool to warm with isolated to scattered showers and thundershowers.
The expected UVB sunburn index: High

MPUMALANGA
Partly cloudy in the Lowveld, otherwise cloudy and cool to warm with isolated showers and thundershowers but scattered in the south.

LIMPOPO
Cloudy in the south-west with isolated showers and thundershowers, otherwise partly cloudy and warm.

4. NORTH WEST
Cloudy and warm with scattered showers and thundershowers but isolated in the east.

THE FREE STATE
Partly cloudy and cool to warm with scattered showers and thundershowers but isolated in the extreme south-west.

THE NORTHERN CAPE
Partly cloudy and warm to hot with isolated showers and thundershowers in the east. It will be fine in the west. The wind along the coast will be fresh to strong south-easterly.

THE WESTERN CAPE
Fine in the north-east, otherwise partly cloudy and cool to warm. It will be cloudy with isolated showers and rain along the south coast. The wind along the coast will be fresh to strong westerly to south-westerly.
The expected UVB sunburn index: Very High

THE WESTERN HALF OF THE EASTERN CAPE
Partly cloudy and cool to warm, but cloudy and windy with isolated showers and rain in the south. Isolated thundershowers are expected in the north-east. The wind along the coast will be moderate to fresh south-westerly.

THE EASTERN HALF OF THE EASTERN CAPE
Cloudy, windy and cool to warm with isolated showers and thundershowers but scattered in the north and east. The wind along the coast will be fresh to strong south-westerly.

KWAZULU-NATAL
Cloudy and cool to warm with scattered showers and thundershowers. The wind along the coast will be moderate to fresh south-westerly, but light north-westerly in the north.
The expected UVB sunburn index: Low

Travellers forecasts from the SA Weather Service for Saturday:

PRETORIA
Cloudy with isolated showers and thundershowers.
Minimum/Maximum: 14/23°C
The expected UVB Sunburn Index: High

JOHANNESBURG
Cloudy with scattered showers and thundershowers.
Minimum/Maximum: 12/20°C

VEREENIGING
Cloudy with scattered showers and thundershowers.
Minimum/Maximum: 14/18°C

MBOMBELA
Partly cloudy in the morning, otherwise cloudy with isolated showers and thundershowers.
Minimum/Maximum: 14/28°C

POLOKWANE
Partly cloudy with isolated showers and thundershowers.
Minimum/Maximum: 13/27°C

MAHIKENG
Cloudy with scattered showers and thundershowers.
Minimum/Maximum: 16/23°C

VRYBURG
Cloudy with scattered showers and thundershowers.
Minimum/Maximum: 14/26°C

SUTHERLAND
Partly cloudy.
Minimum/Maximum: 4/21°C

BLOEMFONTEIN
Partly cloudy with scattered showers and thundershowers.
Minimum/Maximum: 16/25°C

KIMBERLEY
Partly cloudy with scattered showers and thundershowers.
Minimum/Maximum: 16/26°C

UPINGTON
Partly cloudy with isolated showers and thundershowers.
Minimum/Maximum: 19/30°C

CAPE TOWN
Partly cloudy.
Wind: Fresh to strong south-westerly.
Minimum/Maximum: 15/21°C
The expected UVB Sunburn Index: Very High

GEORGE
Cloudy with isolated showers and rain.
Wind: Moderate to fresh westerly to south-westerly.
Minimum/Maximum: 12/20°C

GQEBERHA
Cloudy with isolated showers and rain.
Wind: Fresh to strong south-westerly, moderating in the evening.
Minimum/Maximum: 15/21°C

EAST LONDON
Cloudy with isolated showers and rain from the afternoon.
Wind: Fresh to strong south-westerly.
Minimum/Maximum: 15/24°C

DURBAN
Cloudy with scattered showers and thundershowers.
Wind: Moderate to fresh south-westerly.
Minimum/Maximum: 17/28°C
The expected UVB Sunburn Index: Low

RICHARDS BAY
Cloudy with scattered showers and thundershowers.
Wind: Light to moderate north-westerly.
Minimum/Maximum: 18/28°C

PIETERMARITZBURG
Cloudy with scattered showers and thundershowers.
Minimum/Maximum: 11/28°C

This forecast is usually updated a few times per day.

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