Johannesburg weather live forecast

Today's maximum temperature in Johannesburg is expected to be 26°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 1st 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 Tuesday 1st September 2026

Expect clear skies in Johannesburg, South Africa with a maximum temperature of 26°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

  • 26°C maximum temperature26
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    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
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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Johannesburg weather for Wednesday 2nd September 2026

Expect clear skies in Johannesburg, South Africa with a maximum temperature of 26°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.

  • 26°C maximum temperature26
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 26°C wind chill26
    °C wind chill
  • Gentle breeze of 16 kph from the North16
    kph wind from N

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Johannesburg weather for Thursday 3rd September 2026

Expect clear skies in Johannesburg, South Africa with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.

  • 25°C maximum temperature25
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the North23
    kph wind from N

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Johannesburg weather for Friday 4th September 2026

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 20°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a fresh breeze of 29 kph from the east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 82% chance of some rain82
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 29 kph from the East29
    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 20°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 28 kph from the north-east.

  • 20°C maximum temperature20
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 67% chance of some rain67
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Moderate breeze of 28 kph from the North-East28
    kph wind from NE

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