Johannesburg weather live forecast

Today's maximum temperature in Johannesburg is expected to be 24°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 Friday 12th December 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 12th December 2025

Expect scattered clouds in Johannesburg, South Africa with a maximum temperature of 24°C, maximum UV of 11+ (Extreme) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north.

  • 24°C maximum temperature24
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 11+ (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    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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Johannesburg weather for Saturday 13th December 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 83% chance of some rain and a light breeze of 9 kph from the north-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 83% chance of some rain83
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Johannesburg weather for Sunday 14th December 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 21°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 15 kph from the north-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 63% chance of some rain63
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 15 kph from the North-East15
    kph wind from NE

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Johannesburg weather for Monday 15th December 2025

Expect broken clouds in Johannesburg, South Africa with a maximum temperature of 25°C, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north.

  • 25°C maximum temperature25
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 11 (Extreme)11
    UV index (Extreme)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the North7
    kph wind from N

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Johannesburg weather for Tuesday 16th December 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a light breeze of 12 kph from the north.

  • 27°C maximum temperature27
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 10 (Very High)10
    UV index (Very High)
  • 53% chance of some rain53
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 12 kph from the North12
    kph wind from N

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  • Find last minute deals or early bird discounts
  • Filter offers by price, destination, ship & departure point
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Metric (°C / mm)  |  Imperial (°F / inches)

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