Johannesburg weather live forecast

Today's maximum temperature in Johannesburg is expected to be 17°C. Select a day from the live weather forecast for Johannesburg, South Africa for more weather parameters.

  • Monday
    10th Aug
    Mostly cloudy with rain (20-30 mm of rainfall expected)
  • Tuesday
    11th Aug
    Cloudy with some rain (20-30 mm of rainfall expected)
  • Wednesday
    12th Aug
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Thursday
    13th Aug
    Scattered clouds
  • Friday
    14th Aug
    Clear skies

5-day weather forecast updated at 04:00 on Monday 10th August 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 Monday 10th August 2026

Expect mostly cloudy with rain in Johannesburg, South Africa with a maximum temperature of 17°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 21 kph from the north-east.

  • 17°C maximum temperature17
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 97% chance of some rain97
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 21 kph from the North-East21
    kph wind from NE

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Johannesburg weather for Tuesday 11th August 2026

Expect cloudy with some rain in Johannesburg, South Africa with a maximum temperature of 6°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 28 kph from the south-east.

  • 6°C maximum temperature6
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 86% chance of some rain86
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Moderate breeze of 28 kph from the South-East28
    kph wind from SE

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Johannesburg weather for Wednesday 12th August 2026

Expect mostly cloudy with light rain in Johannesburg, South Africa with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 13% chance of some rain and a moderate breeze of 27 kph from the east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 13% chance of some rain13
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Moderate breeze of 27 kph from the East27
    kph wind from E

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Johannesburg weather for Thursday 13th August 2026

Expect scattered clouds in Johannesburg, South Africa with a maximum temperature of 13°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Scattered clouds
    scattered 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
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 18 kph from the East18
    kph wind from E

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Johannesburg weather for Friday 14th August 2026

Expect clear skies in Johannesburg, South Africa with a maximum temperature of 14°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

  • 14°C maximum temperature14
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    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 10 kph from the South10
    kph wind from S

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