Johannesburg weather live forecast

Today's maximum temperature in Johannesburg is expected to be 20°C. Select a day from the live weather forecast for Johannesburg, South Africa for more weather parameters.

5-day weather forecast updated at 04:00 on Tuesday 5th May 2026 GMT

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The 5-day weather forecast for South Africa (Johannesburg) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Johannesburg weather forecast by day

Below are the detailed weather forecasts for Johannesburg for the next 5 days.

Johannesburg weather for Tuesday 5th May 2026

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a light breeze of 9 kph from the north.

  • 20°C maximum temperature20
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 90% chance of some rain90
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the North9
    kph wind from N

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Johannesburg weather for Wednesday 6th May 2026

Expect sunshine and showers in Johannesburg, South Africa with a maximum temperature of 14°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 13% chance of some rain and a light breeze of 8 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 13% chance of some rain13
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the West8
    kph wind from W

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Johannesburg weather for Thursday 7th May 2026

Expect broken clouds in Johannesburg, South Africa with a maximum temperature of 14°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Light breeze of 8 kph from the South-West8
    kph wind from SW

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Johannesburg weather for Friday 8th May 2026

Expect scattered clouds in Johannesburg, South Africa with a maximum temperature of 15°C, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

  • 15°C maximum temperature15
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the South5
    kph wind from S

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Johannesburg weather for Saturday 9th May 2026

Expect clear skies in Johannesburg, South Africa with a maximum temperature of 17°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

  • 17°C maximum temperature17
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Clear skies
    clear skies
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the North7
    kph wind from N

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