MONDAY WEATHER: The rain is back as another cut-off low is expected from Tuesday

By Staff Writer
Published: 17 May 2026

This forecast is for: Mon 18 May 2026
The maps cover: Mon 18 May – Tue 19 May


A cut-off low-pressure system is expected to influence the central and western interior of South Africa from Tuesday into Wednesday. As the system develops over the interior, it is expected to result in windy conditions, accompanied by isolated to scattered showers and thundershowers across several provinces.

Warnings from the SA Weather Service from Monday:

A. level 2 warning for damaging coastal wind leading to difficulty in navigation at sea between Table Bay and Cape Agulhas from Monday evening into Tuesday.

Regional forecasts from the SA Weather Service for Monday:

GAUTENG
Partly cloudy and cool with isolated afternoon thundershowers possible in the extreme south-west.

MPUMALANGA
Partly cloudy and cool to warm with isolated showers in the northern Lowveld.

LIMPOPO
Cloudy in the north in the morning, otherwise partly cloudy and cool to warm with isolated showers over the Western Bushveld, Limpopo Valley and the Lowveld.

NORTH-WEST
Morning fog patches in places, otherwise partly cloudy and cool, with isolated showers over the central and the southern parts.

THE FREE STATE
Partly cloudy and cool, with isolated showers and thundershowers over the central and the western parts.

THE NORTHERN CAPE
Fog along the coast in the Alexander Bay area in the morning and again in the evening, otherwise partly cloudy and cool to warm, with isolated showers, except in the north-east, the coast and the adjacent interior. The wind along the coast will be moderate to fresh south-easterly.

THE WESTERN CAPE
Morning fog patches over the southern parts, otherwise cloudy to partly cloudy and cool to warm, with isolated rain and showers over the southern parts from mid-morning, but showers and thundershowers over the eastern and southern parts from the evening. The wind along the coast will be light and variable along the south coast in the morning, otherwise fresh to strong south-easterly to easterly, reaching Gale force along the south-west coast from the evening.

THE WESTERN HALF OF THE EASTERN CAPE
Partly cloudy and cool with a chance of light rain and showers along the coast and western interior later in the day. The wind along the coast will be light to moderate south-easterly.

THE EASTERN HALF OF THE EASTERN CAPE
Fine and cool, becoming partly cloudy in the south-west in the afternoon. The wind along the coast will be light to moderate south-westerly.

KWAZULU-NATAL
Fine and cool but warm in the east. The wind along the coast will be light to moderate northerly to north-easterly.

Travellers forecasts from the SA Weather Service for Monday:

PRETORIA
Partly cloudy.
Minimum/Maximum: 09/20°C

JOHANNESBURG
Partly cloudy.
Minimum/Maximum: 08/20°C

VEREENIGING
Partly cloudy.
Minimum/Maximum: 07/20°C

MBOMBELA
Partly cloudy.
Minimum/Maximum: 13/24°C

POLOKWANE
Partly cloudy.
Minimum/Maximum: 10/23°C

MAHIKENG
Partly cloudy.
Minimum/Maximum: 11/22°C

VRYBURG
Party cloudy with isolated showers.
Minimum/Maximum: 08/24°C

BLOEMFONTEIN
Party cloudy with isolated showers and thundershowers.
Minimum/Maximum: 04/23°C

KIMBERLEY
Party cloudy with isolated showers and thundershowers.
Minimum/Maximum: 05/24°C

UPINGTON
Partly cloudy.
Minimum/Maximum: 07/29°C

CAPE TOWN
Partly cloudy.
Wind: Light to moderate south-easterly becoming fresh in the afternoon.
Minimum/Maximum: 14/22°C

GEORGE
Partly cloudy, with a chance of rain and mist in the morning, but showers and thundershowers from the evening.
Wind: Light and variable, becoming moderate south-easterly from the afternoon.
Minimum/Maximum: 12/21°C

GQEBERHA
Partly cloudy with a chance of evening rain and showers.
Wind: Light to moderate westerly, becoming south-easterly in the afternoon.
Minimum/Maximum: 13/21°C

EAST LONDON
Fine becoming partly cloudy.
Wind: Light to moderate south-westerly.
Minimum/Maximum: 14/22°C

DURBAN
Fine.
Wind: Light north-westerly in the morning, otherwise moderate north-easterly.
Minimum/Maximum: 16/26°C

RICHARDS BAY
Fine.
Wind: Light north-westerly in the morning, otherwise moderate to fresh north-easterly.
Minimum/Maximum: 16/27°C

PIETERMARITZBURG
Fine.
Minimum/Maximum: 09/24°C

This forecast is usually updated a few times per day.



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