Johannesburg Weather Forecast
Johannesburg weather: 57°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Live radar and satellite over Johannesburg
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Radar frames: RainViewer (global composite, ~10 minute refresh). Satellite: NASA GIBS MODIS true colour, previous day. Coverage and refresh vary by region.
Active alerts for Johannesburg
Derived from the forecast. No official alert feed is wired for this country yet.
Weather in Johannesburg right now
Source: Open-Meteo. Updated 7:56 AM, Aug 26 local time.
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
See the Johannesburg forecast by time range
Johannesburg weather - more answers
Explore Johannesburg
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Johannesburg?
Johannesburg is a city in South Africa. Its coordinates are -26.2041, 28.0473. It lies in Africa.
What is the weather like in Johannesburg right now?
It is currently 57°F (14°C) with clear sky. Humidity is 35% and wind is 4 mph.
When is the best time to visit Johannesburg?
January, May, August, September, October and November offer the most comfortable conditions in Johannesburg, which has a Mediterranean climate. March, June and December are usually the hardest months for outdoor plans.
What time zone is Johannesburg in?
Johannesburg observes Africa/Johannesburg (UTC+02:00). The local time is 7:56 AM.
How many people live in Johannesburg?
Johannesburg has a population of approximately 5.8 million.
What is the nearest airport to Johannesburg?
The closest airports are O. R. Tambo International Airport (JNB), 13 mi away.
What places are in Johannesburg?
Johannesburg covers 1 places in this atlas, including O. R. Tambo International Airport.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-world) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 7:56 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
