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 Wednesday 2nd September 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 Friday 4th September 2026

Expect mostly cloudy with rain in Johannesburg, South Africa with a maximum temperature of 19°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 32 kph from the east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 74% chance of some rain74
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Fresh breeze of 32 kph from the East32
    kph wind from E

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Johannesburg weather for Saturday 5th September 2026

Expect mostly cloudy with light rain in Johannesburg, South Africa with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 27 kph from the north-east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 59% chance of some rain59
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Moderate breeze of 27 kph from the North-East27
    kph wind from NE

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Johannesburg weather for Sunday 6th September 2026

Expect mostly cloudy with rain in Johannesburg, South Africa with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 23 kph from the north-east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 74% chance of some rain74
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the North-East23
    kph wind from NE

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Johannesburg weather for Monday 7th September 2026

Expect mostly cloudy with light rain in Johannesburg, South Africa with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 24 kph from the north.

  • 17°C maximum temperature17
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 47% chance of some rain47
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 24 kph from the North24
    kph wind from N

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Johannesburg weather for Tuesday 8th September 2026

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 8% chance of some rain and a gentle breeze of 18 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 8% chance of some rain8
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 18 kph from the North18
    kph wind from N

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