Johannesburg Weather Conditions

Current Temperature Level

sunny
24°C
24°C12°C
Pleasant

Sunny

Feels Like 20°C

Chances of Rain0%

Good

30AQI

Humidity

12%

Nowsunny24°0%5 PMsunny24°0%6 PMclear22°0%7 PMsmoky haze21°0%8 PMsmog20°0%9 PMsmog19°0%10 PMsmog18°0%11 PMsmog18°0%12 AMclear17°0%1 AMsmoky haze17°0%2 AMclear16°0%3 AMclear16°0%4 AMclear15°0%5 AMclear15°1%6 AMclear14°1%7 AMsunny14°1%8 AMsunny15°1%9 AMsunny17°1%10 AMsunny19°1%11 AMsunny21°0%12 PMsunny22°1%1 PMsunny23°0%2 PMsunny24°0%3 PMsunny24°0%
.

It is likely to be sunny; sun protection may help.

Last Updated: 2026-08-18 16:30 (Local Time)

Johannesburg Weather Parameters

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Johannesburg 10-Days Weather Forecast

See Monthly
Today18 Aug.


Sunny

Sunny

Clear Sky with temperature at 18 °C and humidity will be at 23% with 8.3 km/h winds.


temperature icon

24°C  /  12°C

temperature iconHumi.23 %
temperature iconPrec.0 mm


Sunrise icon

Sunrise

06:33 AM

11hrs 16min

Sunset icon

Sunset

05:49 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

ClearClear

15 °C

30 %

0

4.3 kmph /  S

Feels Like IconFeels 12 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

1 AM

ClearClear

15 °C

31 %

0

4.7 kmph /  S

Feels Like IconFeels 11 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

2 AM

ClearClear

14 °C

32 %

0

4.7 kmph /  S

Feels Like IconFeels 11 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

3 AM

ClearClear

14 °C

33 %

0

5 kmph /  S

Feels Like IconFeels 11 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

4 AM

ClearClear

13 °C

34 %

0

5.8 kmph /  S

Feels Like IconFeels 10 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

5 AM

ClearClear

13 °C

36 %

0

4.7 kmph /  S

Feels Like IconFeels 10 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

6 AM

ClearClear

13 °C

36 %

0

5.4 kmph /  S

Feels Like IconFeels 10 °C

Temperature IconCover 2 %

Visibility IconVisibility 10 km

7 AM

SunnySunny

12 °C

36 %

0.2

5.4 kmph /  S

Feels Like IconFeels 10 °C

Temperature IconCover 0 %

Visibility IconVisibility 7.6 km

8 AM

SunnySunny

14 °C

33 %

1

4.7 kmph /  S

Feels Like IconFeels 11 °C

Temperature IconCover 4 %

Visibility IconVisibility 7.4 km

9 AM

SunnySunny

16 °C

27 %

2.7

6.5 kmph /  S

Feels Like IconFeels 12 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

10 AM

SunnySunny

18 °C

22 %

5

7.9 kmph /  S

Feels Like IconFeels 14 °C

Temperature IconCover 5 %

Visibility IconVisibility 10 km

11 AM

SunnySunny

20 °C

18 %

7.1

8.3 kmph /  SSE

Feels Like IconFeels 16 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

12 PM

SunnySunny

22 °C

14 %

8

8.3 kmph /  SSE

Feels Like IconFeels 18 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

1 PM

SunnySunny

23 °C

13 %

7.4

7.6 kmph /  SSE

Feels Like IconFeels 19 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

2 PM

SunnySunny

24 °C

12 %

5.6

5.8 kmph /  SSE

Feels Like IconFeels 20 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

3 PM

SunnySunny

24 °C

11 %

3.2

5.8 kmph /  SSE

Feels Like IconFeels 20 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

4 PM

SunnySunny

24 °C

12 %

1.3

6.5 kmph /  SSE

Feels Like IconFeels 20 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

5 PM

SunnySunny

24 °C

13 %

0.3

7.6 kmph /  SSE

Feels Like IconFeels 19 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

6 PM

ClearClear

22 °C

15 %

0

6.8 kmph /  S

Feels Like IconFeels 18 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

7 PM

Smoky hazeSmoky haze

21 °C

18 %

0

6.5 kmph /  SSE

Feels Like IconFeels 17 °C

Temperature IconCover 0 %

Visibility IconVisibility 10 km

8 PM

SmogSmog

20 °C

20 %

0

5.8 kmph /  SSE

Feels Like IconFeels 16 °C

Temperature IconCover 0 %

Visibility IconVisibility 9.3 km

9 PM

SmogSmog

19 °C

21 %

0

5.8 kmph /  SE

Feels Like IconFeels 15 °C

Temperature IconCover 0 %

Visibility IconVisibility 7.5 km

10 PM

SmogSmog

18 °C

22 %

0

5 kmph /  SE

Feels Like IconFeels 15 °C

Temperature IconCover 0 %

Visibility IconVisibility 6 km

11 PM

SmogSmog

18 °C

23 %

0

3.6 kmph /  ESE

Feels Like IconFeels 15 °C

Temperature IconCover 0 %

Visibility IconVisibility 5.7 km

Temp24 °C


ConditionSunny


Humidity12 %

Feels20 °C


Cover0 %


Visibility10 km

Wind Speed & Dir.6.5 kmph /  SSE


UV1.3

Johannesburg 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny16°8°
2
Sunny18°10°
3
Sunny17°10°
4
Smoky haze19°11°
5
Smoky haze19°12°
6
Sunny21°13°
7
Sunny21°12°
8
Sunny20°11°
9
Sunny19°12°
10
Sunny16°6°
11
Patchy rain nearby7°4°
12
Partly Cloudy11°4°
13
Sunny14°4°
14
Sunny15°7°
15
Sunny18°9°
16
Sunny20°10°
17
Sunny30°16°
18Today
Sunny24°12°
19
Sunny24°14°
20
Sunny26°15°
21
Sunny24°16°
22
Overcast25°16°
23
Sunny24°15°
24
Sunny23°14°
25
Sunny25°16°
26
Rain Possible25°11°
27
Rain Possible24°10°
28
Rain Possible24°10°
29
Rain Possible24°10°
30
Rain Possible24°10°
31
Rain Possible23°10°

AugustWeather Overview

No. of days:

Sunny

Sunny

20

Cloudy

Cloudy

1

Rainy

Rainy

7

Snowy

Snowy

0


The monthly weather averages in Johannesburg consist of 20 sunny days, 1 cloudy days, 7 rainy days, and 0 snowy days.

Johannesburg's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
24 °C
sunnySunny
12%
1.3

6.5 kmph /  SSE

24 °C
sunnySunny
11%
1.3

6.8 kmph /  SSE

South Africa's Hottest Cities - August 2026

Hottest
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Last Updated: 18 Aug 2026, 03:03 PM

City Weather Rankings

FAQs About Johannesburg Weather Conditions


1. What is the current temperature in Johannesburg today - 18 August 2026?

The current temperature in Johannesburg is 24°C, with a feels-like temperature of 20°C. Today's forecast shows a high of 24°C and a low of 12°C, giving a 12 degree swing through the day as of 04:30 PM 18 August 2026.

2. What are the current weather parameters in Johannesburg today?

Here is a complete overview of Johannesburg's current weather conditions as of 04:30 PM 18 August 2026: Condition : Sunny Temperature : 24°C Pleasant (Feels like 20°C) Humidity : 12% Wind Speed : 6.5 km/h from SSE (158 degrees), Gust 5.8 m/s UV Index : 1.3 (Low Air Pressure : 1021 mb Cloud Cover : 0% Visibility : 10 km Precipitation : 0 mm (0% chance of rain)

3. What is the 10-day weather forecast for Johannesburg from 04:30 PM 18 August 2026?

From 04:30 PM 18 August 2026, Johannesburg's 10-day forecast shows this trend: Today (Aug. 18) : Temp. 18°C, Hum. 23% and Sunny condition. Wednesday (Aug. 19) : Temp. 19°C, Hum. 24% and Sunny condition. Thursday (Aug. 20) : Temp. 20°C, Hum. 21% and Sunny condition. Friday (Aug. 21) : Temp. 20°C, Hum. 30% and Overcast condition. Saturday (Aug. 22) : Temp. 20°C, Hum. 29% and Overcast condition. Sunday (Aug. 23) : Temp. 21°C, Hum. 21% and Sunny condition. Monday (Aug. 24) : Temp. 21°C, Hum. 26% and Overcast condition. Tuesday (Aug. 25) : Temp. 22°C, Hum. 20% and Sunny condition. Wednesday (Aug. 26) : Temp. 17°C, Hum. 32% and Rain Possible condition. Thursday (Aug. 27) : Temp. 16°C, Hum. 33% and Rain Possible condition.

4. Will it rain in Johannesburg today?

As of 04:30 PM 18 August 2026, there is no chance of rainfall in Johannesburg throughout the day. Precipitation stands at 0 mm with a 0% chance of rain. Skies are Sunny and conditions are expected to remain dry.

5. What is the monthly weather forecast for Johannesburg in August 2026?

August 2026 in Johannesburg is forecast to have 20 sunny days, 7 rainy days, 1 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 4°C to highs of 30°C.

6. How does the weather in Johannesburg affect air quality?

Weather directly impacts air quality in Johannesburg. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.