Johannesburg weather live forecast

Tomorrow's maximum temperature in Johannesburg is expected to be 27°C.

• Wednesday
  15th Jan
  
  27
  16
  5
• Thursday
  16th Jan
  
  23
  16
  4
• Friday
  17th Jan
  
  26
  16
  6
• Saturday
  18th Jan
  
  27
  17
  5
• Sunday
  19th Jan
  
  29
  17
  6

5-day weather forecast updated at 04:01 on Wednesday 15th January 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 Wednesday 15th January 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 86% chance of some rain and little or no wind of 6 kph from the north-west.

• 27
  °C maximum temperature
• 16
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 11
  UV index (Extreme)
• 86
  % chance of some rain
• <10
  mm of rainfall expected
• L
  low heat & humidity
• 6
  kph wind from NW

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Johannesburg weather for Thursday 16th January 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 85% chance of some rain and little or no wind of 6 kph from the north.

• 23
  °C maximum temperature
• 16
  °C minimum temperature
• 
  isolated thunderstorms
• 4
  hours of sunshine
• 8
  UV index (Very High)
• 85
  % chance of some rain
• <30
  mm of rainfall expected
• 0
  no heat & humidity
• 6
  kph wind from N

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Johannesburg weather for Friday 17th January 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 26°C, maximum UV of 11 (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and little or no wind of 4 kph from the north.

• 26
  °C maximum temperature
• 16
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 11
  UV index (Extreme)
• 64
  % chance of some rain
• <10
  mm of rainfall expected
• 26
  °C wind chill
• 4
  kph wind from N

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Johannesburg weather for Saturday 18th January 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and little or no wind of 3 kph from the north.

• 27
  °C maximum temperature
• 17
  °C minimum temperature
• 
  isolated thunderstorms
• 5
  hours of sunshine
• 11
  UV index (Extreme)
• 57
  % chance of some rain
• <5
  mm of rainfall expected
• L
  low heat & humidity
• 3
  kph wind from N

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Johannesburg weather for Sunday 19th January 2025

Expect isolated thunderstorms in Johannesburg, South Africa with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and little or no wind of 2 kph from the north.

• 29
  °C maximum temperature
• 17
  °C minimum temperature
• 
  isolated thunderstorms
• 6
  hours of sunshine
• 11
  UV index (Extreme)
• 37
  % chance of some rain
• <2
  mm of rainfall expected
• L
  low heat & humidity
• 2
  kph wind from N

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TUI discount code: up to £300 off 2025/2026 holidays

Discount Code

• Save up to £300 on package holidays in 2025/2026
• Book in TUI sale. Discount varies by spend. T&Cs apply
• Travel between 1st May 2025 & 31st Oct 2026 (inclusive)

Show discount code ******ALE

Redeem TUI discount code >>

Expires at 10:00 on Friday 31st Jan 2025 · View all TUI offers

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

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