Johannesburg, South Africa 14-Day Forecast
South Africa 🇿🇦
62°
Cloudy right now
Today: high 69°, low 57°
Updated 6 hours ago
Johannesburg weather for the next 14 days
Tuesday, October 6
Sunny High 70° Low 57°Precipitation
17%
· 0.01 in
Max wind
11 mph
Humidity
51%
UV index
11 - Extreme
Sunrise / sunset
05:41 AM / 06:09 PM
Wednesday, October 7
Sunny High 80° Low 61°Precipitation
3%
· 0.0 in
Max wind
8 mph
Humidity
34%
UV index
11 - Very High
Sunrise / sunset
05:40 AM / 06:10 PM
Thursday, October 8
Sunny High 80° Low 61°Precipitation
6%
· 0.0 in
Max wind
12 mph
Humidity
49%
UV index
12 - Extreme
Sunrise / sunset
05:39 AM / 06:10 PM
Friday, October 9
Sunny High 86° Low 65°Precipitation
2%
· 0.0 in
Max wind
10 mph
Humidity
35%
UV index
12 - Extreme
Sunrise / sunset
05:38 AM / 06:11 PM
Saturday, October 10
Sunny High 86° Low 68°Precipitation
4%
· 0.0 in
Max wind
14 mph
Humidity
38%
UV index
8 - Very High
Sunrise / sunset
05:37 AM / 06:11 PM
Sunday, October 11
Sunny High 86° Low 66°Precipitation
1%
· 0.0 in
Max wind
11 mph
Humidity
33%
UV index
8 - Very High
Sunrise / sunset
05:36 AM / 06:12 PM
Monday, October 12
Sunny High 82° Low 65°Precipitation
3%
· 0.0 in
Max wind
11 mph
Humidity
26%
UV index
8 - Very High
Sunrise / sunset
05:35 AM / 06:12 PM
Tuesday, October 13
Sunny High 83° Low 62°Precipitation
1%
· 0.0 in
Max wind
12 mph
Humidity
32%
UV index
8 - Very High
Sunrise / sunset
05:34 AM / 06:13 PM
Wednesday, October 14
Sunny High 82° Low 68°Precipitation
57%
· 0.04 in
Max wind
11 mph
Humidity
32%
UV index
8 - Very High
Sunrise / sunset
05:33 AM / 06:13 PM
Thursday, October 15
Partly Cloudy High 83° Low 64°Precipitation
17%
· 0.01 in
Max wind
10 mph
Humidity
41%
UV index
8 - Very High
Sunrise / sunset
05:32 AM / 06:14 PM
Friday, October 16
Sunny High 87° Low 66°Precipitation
36%
· 0.04 in
Max wind
7 mph
Humidity
36%
UV index
9 - Very High
Sunrise / sunset
05:31 AM / 06:14 PM
Saturday, October 17
Sunny High 85° Low 70°Precipitation
4%
· 0.0 in
Max wind
13 mph
Humidity
33%
UV index
8 - Very High
Sunrise / sunset
05:30 AM / 06:15 PM
Sunday, October 18
Overcast High 90° Low 70°Precipitation
7%
· 0.0 in
Max wind
14 mph
Humidity
34%
UV index
9 - Very High
Sunrise / sunset
05:29 AM / 06:16 PM
Johannesburg 14-day outlook: the story
The warmest day of Johannesburg's 14-day outlook is Sunday, October 18 with a high near 90°F (32°C); the coolest night comes Monday, October 5, dipping to 57°F (14°C). The trend points warmer: week two runs about 5°F above week one. Highs over the next two weeks average 80°F (26°C), right in line with the typical October high of 79°F (26°C).
Precipitation is most likely on Wednesday 14; the wettest day looks like Wednesday, October 14 with about 0.04 in (1.1 mm) expected. For the weekend, expect Saturday 86°F (30°C) and sunny / Sunday 86°F (30°C) and sunny.
For typical conditions month by month, see the Johannesburg climate & average temperatures guide.
Johannesburg forecast questions
Will it rain in Johannesburg this week?
The forecast currently shows meaningful precipitation chances on 1 of the next 14 days, peaking around Wednesday, October 14.
What will be the warmest day in Johannesburg over the next 14 days?
Sunday, October 18, with a forecast high near 90°F (32°C).
How accurate is a 14-day forecast for Johannesburg?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Johannesburg by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 78° | 58° | 14 | 4.6 in | 11.6 h/day | 13.6 h | 44% | 66% |
| February | 77° | 58° | 13 | 4.1 in | 11.0 h/day | 13.0 h | 46% | 68% |
| March | 76° | 56° | 9 | 2.4 in | 10.7 h/day | 12.3 h | 28% | 65% |
| April | 71° | 51° | 8 | 2.2 in | 10.1 h/day | 11.5 h | 26% | 65% |
| May | 68° | 45° | 2 | 0.6 in | 9.8 h/day | 10.8 h | 7% | 54% |
| June | 63° | 40° | 1 | 0.3 in | 9.8 h/day | 10.5 h | 5% | 51% |
| July | 63° | 39° | 0 | 0.1 in | 10.2 h/day | 10.6 h | 2% | 46% |
| August | 70° | 44° | 1 | 0.1 in | 10.6 h/day | 11.2 h | 2% | 40% |
| September | 76° | 50° | 3 | 0.5 in | 11.2 h/day | 12.0 h | 11% | 39% |
| October | 79° | 53° | 7 | 1.5 in | 11.1 h/day | 12.8 h | 22% | 46% |
| November | 79° | 56° | 11 | 3.0 in | 11.5 h/day | 13.4 h | 37% | 56% |
| December | 79° | 59° | 16 | 4.3 in | 11.3 h/day | 13.8 h | 52% | 64% |
14-day forecasts nearby