Johannesburg to drop to freezing overnight into Sunday

By Staff Writer
Published: 24 May 2025 [updated 25 May]

This forecast is for: Sun 25 May 2025
The maps cover: Sun 25 May – Tue 27 May

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Partly cloudy with morning fog patches in places, otherwise fine and cool to warm. It will be cloudy with isolated rain and showers along the south coast and adjacent interior on Monday, following the passage of a cold front.

Warnings from the SAWS for Sunday:

none

Regional forecasts from SAWS for Sunday:

1. GAUTENG
Morning frost in the south and central parts, otherwise fine and cool.
The expected UVB sunburn index: Moderate

2. MPUMALANGA
Fine and cool, but warm in places in the Lowveld.

3. LIMPOPO
Partly cloudy and cool.

4. NORTH-WEST PROVINCE
Fine and cool.

5. FREE STATE
Fine and cool to cold.

6. NORTHERN CAPE
Fine, windy and cool to warm. The wind along the coast will be light and variable, becoming light to moderate southerly to south-easterly.

7. WESTERN CAPE
Morning fog over the south coast and adjacent interior, otherwise fine and cool to warm, but hot over Cederberg municipality. It will become partly cloudy from the afternoon in the south-west coast spreading to the south by the evening. The wind along the coast will be moderate to fresh northerly-westerly to westerly. It will become light to moderate southerly along the west coast in the afternoon spreading to the south-west coast from the evening.
The expected UVB sunburn index: Moderate

8. WESTERN HALF OF THE EASTERN CAPE
Fine and cool to warm. The wind along the coast will be moderate north-westerly, becoming westerly in the afternoon.

9. EASTERN HALF OF THE EASTERN CAPE
Fine and cool to warm, but cold in the extreme north. The wind along the coast will be light to moderate north-westerly, becoming north-easterly in the afternoon, but north-westerly again by late evening.

10. KWAZULU-NATAL
Morning fog patches in places over the northern interior, otherwise fine and cool to warm. The wind along the coast will be moderate to fresh north-westerly north of Richards Bay in the morning, otherwise fresh to strong northerly to north-easterly, becoming light to moderate along the south coast from the evening.
The expected UVB sunburn index: High

Travellers forecasts from SAWS for Sunday:

PRETORIA
Fine.
Minimum/Maximum: 5/20°C
The expected UVB Sunburn Index: Moderate

JOHANNESBURG
Morning frost, otherwise fine.
Minimum/Maximum: 0/18°C

VEREENIGING
Morning frost, otherwise fine.
Minimum/Maximum: 1/18°C

MBOMBELA
Fine.
Minimum/Maximum: 8/21°C

POLOKWANE
Partly cloudy.
Minimum/Maximum: 8/19°C

MAHIKENG
Fine.
Minimum/Maximum: 3/20°C

VRYBURG
Fine.
Minimum/Maximum: 3/20°C

BLOEMFONTEIN
Fine.
Minimum/Maximum: 3/19°C

KIMBERLEY
Fine.
Minimum/Maximum: 4/20°C

UPINGTON
Fine and windy.
Minimum/Maximum: 7/23°C

CAPE TOWN
Fine, becoming partly cloudy from the afternoon.
Wind: Light northerly.
Minimum/Maximum: 16/22°C
The expected UVB Sunburn Index: Moderate

GEORGE
Fine, becoming cloudy from the evening.
Wind: Light to moderate north-westerly, but light south-westerly during the afternoon.
Minimum/Maximum: 12/27°C

GQEBERHA
Fine.
Wind: Moderate north-westerly, becoming westerly in the afternoon.
Minimum/Maximum: 12/27°C

EAST LONDON
Fine.
Wind: Light to moderate north-westerly, becoming north-easterly in the afternoon.
Minimum/Maximum: 15/25°C

DURBAN
Fine.
Wind: Fresh to strong northerly to north-easterly, becoming light to moderate in the late hours of the morning.
Minimum/Maximum: 14/23°C
The expected UVB Sunburn Index: High

RICHARDS BAY
Fine
Wind: Fresh to strong northerly to north-easterly.
Minimum/Maximum: 14/26°C

PIETERMARITZBURG
Fine.
Minimum/Maximum: 7/23°C

This forecast is usually updated a few times per day.

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