WEDNESDAY WEATHER: Thunderstorms or rain possible and a warning for coastal wind

By Staff Writer
Published: 19 May 2026

This forecast is for: Wed 20 May 2026
The maps cover: Wed 20 May – Thu 21 May


Warnings from the SA Weather Service from Wednesday:

A. level 2 warning for damaging coastal wind leading to difficulty in navigation at sea is expected between Table Bay and Cape Agulhas.

Regional forecasts from the SA Weather Service for Wednesday:

GAUTENG
Partly cloudy and cool.

MPUMALANGA
Cloudy with morning fog patches in places in the east, otherwise partly cloudy and cool to warm with isolated showers and rain in the Lowveld.

LIMPOPO
Morning fog patches over the northern interior, otherwise partly cloudy and cool to warm with isolated showers and rain except in the south.

NORTH-WEST
Morning fog in the extreme east otherwise, partly cloudy and cool, with isolated showers and thundershowers over the western parts.

THE FREE STATE
Morning fog in the east otherwise, partly cloudy and cool, with isolated showers and thundershowers over the western parts.

THE NORTHERN CAPE
Morning fog over the western part, otherwise partly cloudy and cool to warm but cold over the southern parts where it will be cloudy. Isolated showers and thundershowers are expected over the central parts and eastern but scattered in the south-eastern. The wind along the coast will be light and variable, becoming light to moderate southerly to south-westerly from the afternoon. The wind along the coast will be

THE WESTERN CAPE
Partly cloudy in the west with morning fog in place over the north-western part, otherwise cloudy and cool to warm with isolated showers and thundershowers but scattered in the north-eastern part. The wind along the coast will be light to moderate southerly to south-westerly along the west coast, otherwise fresh to strong south-easterly to easterly, reaching gale force along the south-west coast in the morning.

THE WESTERN HALF OF THE EASTERN CAPE
Partly cloudy and cool with light showers along the coast and in the extreme west. The wind along the coast will be moderate to fresh easterly

THE EASTERN HALF OF THE EASTERN CAPE
Partly cloudy and cool but cloudy along the coast where light morning rain is expected in places. The wind along the coast will be Light to moderate north-easterly

KWAZULU-NATAL
Morning fog over the interior, otherwise partly cloudy and cool to warm with, isolated showers and rain in the morning and evening along the coast and adjacent interior. The wind along the coast will be light south-westerly, becoming moderate southerly to south-easterly towards midday.

Travellers forecasts from the SA Weather Service for Wednesday:

PRETORIA
Partly cloudy.
Minimum/Maximum: 12/18°C

JOHANNESBURG
Partly cloudy.
Minimum/Maximum: 10/18°C

VEREENIGING
Partly cloudy.
Minimum/Maximum: 6/17°C

MBOMBELA
Partly cloudy.
Minimum/Maximum: 10/22°C

POLOKWANE
Partly cloudy with isolated showers and rain.
Minimum/Maximum: 9/20°C

MAHIKENG
Party cloudy.
Minimum/Maximum: 10/21°C

VRYBURG
Party cloudy, with isolated showers and thundershowers.
Minimum/Maximum: 7/22°C

BLOEMFONTEIN
Party cloudy.
Minimum/Maximum: 7/20°C

KIMBERLEY
Party cloudy, with isolated showers and thundershowers.
Minimum/Maximum: 9/21°C

UPINGTON
Party cloudy, with isolated showers and thundershowers.
Minimum/Maximum: 13/25°C

CAPE TOWN
Partly cloudy with a chance of morning showers and rain.
Wind: Light to moderate southerly to south-easterly.
Minimum/Maximum: 17/24°C

GEORGE
Cloudy with isolated showers and thundershowers.
Wind: Light and variable, becoming light to moderate easterly to north-easterly from the afternoon.
Minimum/Maximum: 15/21°C

GQEBERHA
Cloudy with chances of morning rain and rain showers.
Wind: Moderate to fresh easterly.
Minimum/Maximum: 17/20°C

EAST LONDON
Cloudy with chances of early morning rain and rain showers.
Wind: Light to moderate north-easterly.
Minimum/Maximum: 17/20°C

DURBAN
Cloudy at times, otherwise partly cloudy with isolated morning and evening showers and rain.
Wind: Light southerly to south-westerly, becoming moderate towards midday.
Minimum/Maximum: 18/24°C

RICHARDS BAY
Cloudy at times, otherwise partly cloudy with isolated showers and rain.
Wind: Light southerly to south-westerly, becoming moderate towards midday.
Minimum/Maximum: 16/25°C

PIETERMARITZBURG
Cloudy with morning and evening fog, otherwise partly cloudy.
Minimum/Maximum: 8/23°C

This forecast is usually updated a few times per day.



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