Johannesburg weather live forecast

Today's maximum temperature in Johannesburg is expected to be 79°F. 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 Thursday 4th September 2025 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 Friday 5th September 2025

Expect broken clouds in Johannesburg, South Africa with a maximum temperature of 79°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-west.

  • 79°F maximum temperature79
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 79°F wind chill79
    °F wind chill
  • Light breeze of 6 mph from the North-West6
    mph wind from NW

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Johannesburg weather for Saturday 6th September 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 77°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a light breeze of 5 mph from the north.

  • 77°F maximum temperature77
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 51% chance of some rain51
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 5 mph from the North5
    mph wind from N

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Johannesburg weather for Sunday 7th September 2025

Expect scattered clouds in Johannesburg, South Africa with a maximum temperature of 75°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north.

  • 75°F maximum temperature75
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    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
  • Light breeze of 6 mph from the North6
    mph wind from N

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Johannesburg weather for Monday 8th September 2025

Expect broken clouds in Johannesburg, South Africa with a maximum temperature of 79°F, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 4 mph from the north.

  • 79°F maximum temperature79
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    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
  • Light breeze of 4 mph from the North4
    mph wind from N

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Johannesburg weather for Tuesday 9th September 2025

Expect scattered clouds in Johannesburg, South Africa with a maximum temperature of 77°F, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north.

  • 77°F maximum temperature77
    °F maximum temperature
  • 55°F minimum temperature55
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 77°F wind chill77
    °F wind chill
  • Light breeze of 6 mph from the North6
    mph wind from N

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