Weather Forecast for Johannesburg
Gauteng, South Africa
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Current Weather - Johannesburg: 20°C
Current Weather - Johannesburg: 20°C
Gauteng, South Africa
Partly Cloudy
Feels like 18°C
Wind
11 km/h NNE
Humidity
46%
Pressure
1023 mb
UV Index
4
Visibility
10 km
Overcast
Wednesday, September 23, 2026
High
27°C
Low
15°C
Rain Chance
17%
Hourly Forecast
20°C
22°C
24°C
25°C
26°C
27°C
26°C
26°C
26°C
25°C
24°C
23°C
22°C
22°C
22°C
Day Statistics
Maximum Wind
17 km/h
Humidity
43%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
05:56 AM
Sunset
06:04 PM
Moonrise
03:27 PM
Moonset
04:04 AM
Moon Phase
Waxing Gibbous
Moon Illumination
95%
Air Quality
PM2.5
21.3
μg/m³
PM10
22.3
μg/m³
NO₂
20.1
μg/m³
O₃
75.2
μg/m³
SO₂
29.1
μg/m³
CO
300
μg/m³
Sunny
Thursday, September 24, 2026
High
29°C
Low
18°C
Rain Chance
3%
Hourly Forecast
22°C
21°C
20°C
19°C
19°C
18°C
18°C
19°C
21°C
23°C
25°C
26°C
27°C
28°C
29°C
29°C
29°C
29°C
27°C
27°C
26°C
24°C
23°C
22°C
Day Statistics
Maximum Wind
22 km/h
Humidity
34%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
05:55 AM
Sunset
06:05 PM
Moonrise
04:20 PM
Moonset
04:34 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
29.4
μg/m³
PM10
30.1
μg/m³
NO₂
26.9
μg/m³
O₃
98.3
μg/m³
SO₂
42.9
μg/m³
CO
398.3
μg/m³
Overcast
Friday, September 25, 2026
High
27°C
Low
18°C
Rain Chance
9%
Hourly Forecast
21°C
20°C
19°C
19°C
18°C
18°C
18°C
18°C
20°C
22°C
23°C
24°C
26°C
27°C
27°C
27°C
27°C
27°C
25°C
24°C
24°C
24°C
23°C
22°C
Day Statistics
Maximum Wind
17 km/h
Humidity
45%
Precipitation
0 mm
UV Index
9
Visibility
10 km
Rain Chance
9%
Snow Chance
0%
Sun & Moon
Sunrise
05:54 AM
Sunset
06:05 PM
Moonrise
05:12 PM
Moonset
05:03 AM
Moon Phase
Full Moon
Moon Illumination
100%
Air Quality
PM2.5
30.9
μg/m³
PM10
31.1
μg/m³
NO₂
28.5
μg/m³
O₃
102.6
μg/m³
SO₂
46.9
μg/m³
CO
427.2
μg/m³
Sunny
Saturday, September 26, 2026
High
29°C
Low
17°C
Rain Chance
3%
Hourly Forecast
21°C
20°C
19°C
18°C
18°C
17°C
17°C
18°C
20°C
21°C
24°C
25°C
27°C
28°C
29°C
29°C
28°C
28°C
26°C
25°C
24°C
24°C
23°C
23°C
Day Statistics
Maximum Wind
19 km/h
Humidity
40%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
3%
Snow Chance
0%
Sun & Moon
Sunrise
05:53 AM
Sunset
06:05 PM
Moonrise
06:05 PM
Moonset
05:32 AM
Moon Phase
Full Moon
Moon Illumination
99%
Air Quality
PM2.5
14.5
μg/m³
PM10
14.8
μg/m³
NO₂
11.1
μg/m³
O₃
94.8
μg/m³
SO₂
21.1
μg/m³
CO
285.9
μg/m³
Sunny
Sunday, September 27, 2026
High
31°C
Low
18°C
Rain Chance
5%
Hourly Forecast
22°C
21°C
21°C
19°C
18°C
19°C
18°C
19°C
22°C
23°C
25°C
28°C
28°C
29°C
30°C
31°C
30°C
30°C
28°C
26°C
23°C
22°C
22°C
22°C
Day Statistics
Maximum Wind
25 km/h
Humidity
31%
Precipitation
0 mm
UV Index
10
Visibility
10 km
Rain Chance
5%
Snow Chance
0%
Sun & Moon
Sunrise
05:51 AM
Sunset
06:06 PM
Moonrise
07:00 PM
Moonset
06:01 AM
Moon Phase
Waning Gibbous
Moon Illumination
96%
Air Quality
PM2.5
13.9
μg/m³
PM10
14.5
μg/m³
NO₂
10.7
μg/m³
O₃
85.7
μg/m³
SO₂
22.2
μg/m³
CO
267.2
μg/m³
Overcast
Monday, September 28, 2026
High
26°C
Low
19°C
Rain Chance
17%
Hourly Forecast
22°C
21°C
21°C
21°C
20°C
19°C
20°C
21°C
22°C
23°C
24°C
25°C
25°C
25°C
26°C
26°C
26°C
26°C
25°C
23°C
22°C
21°C
21°C
20°C
Day Statistics
Maximum Wind
22 km/h
Humidity
37%
Precipitation
0 mm
UV Index
7
Visibility
10 km
Rain Chance
17%
Snow Chance
0%
Sun & Moon
Sunrise
05:50 AM
Sunset
06:06 PM
Moonrise
07:57 PM
Moonset
06:33 AM
Moon Phase
Waning Gibbous
Moon Illumination
91%
Patchy rain nearby
Tuesday, September 29, 2026
High
20°C
Low
15°C
Rain Chance
76%
Hourly Forecast
20°C
19°C
19°C
18°C
16°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
16°C
17°C
18°C
19°C
18°C
17°C
17°C
16°C
16°C
15°C
Day Statistics
Maximum Wind
22 km/h
Humidity
66%
Precipitation
7 mm
UV Index
5
Visibility
10 km
Rain Chance
76%
Snow Chance
0%
Sun & Moon
Sunrise
05:49 AM
Sunset
06:07 PM
Moonrise
08:56 PM
Moonset
07:08 AM
Moon Phase
Waning Gibbous
Moon Illumination
84%
Solar Radiation Data
Shortwave Radiation
535.08
Diffuse Radiation
76.47
DNI
0
GTI
0
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