Johannesburg weather live forecast

Today's maximum temperature in Johannesburg is expected to be 19°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 Saturday 18th October 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 Saturday 18th October 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 19°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and little or no wind of 5 kph from the west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 71% chance of some rain71
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the West5
    kph wind from W

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Johannesburg weather for Sunday 19th October 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 97% chance of some rain and little or no wind of 6 kph from the north-east.

  • 22°C maximum temperature22
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 97% chance of some rain97
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 6 kph from the North-East6
    kph wind from NE

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Johannesburg weather for Monday 20th October 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 15°C, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and little or no wind of 6 kph from the north-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 91% chance of some rain91
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 15°C wind chill15
    °C wind chill
  • Little or no wind of 6 kph from the North-East6
    kph wind from NE

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Johannesburg weather for Tuesday 21st October 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and little or no wind of 4 kph from the north-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 71% chance of some rain71
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 16°C wind chill16
    °C wind chill
  • Little or no wind of 4 kph from the North-East4
    kph wind from NE

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Johannesburg weather for Wednesday 22nd October 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and little or no wind of 3 kph from the north-east.

  • 22°C maximum temperature22
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Little or no wind of 3 kph from the North-East3
    kph wind from NE

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Metric (°C / mm)  |  Imperial (°F / inches)

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