Is it safe to be outside in Johannesburg today?
Mostly — but keep an eye on conditions in Johannesburg right now: Mind the air — Poor for sensitive people — asthma and older folks, take it easy outside. (Satellite estimate — other apps may read differently.) It's about 21° (feels like 22°), no rain expected soon, and UV peaks around 8. Air quality is poor (European AQI 77). Fire danger is low (index 7).
Poor for sensitive people — asthma and older folks, take it easy outside. (Satellite estimate — other apps may read differently.)
Updated 12:45, 11 Sep (SAST) · live weather for Johannesburg
- 21°now
- 22°feels like
- 3 km/hwind
- 35%humidity
- UV 8peak today
- AQI 77air
- FDI 7fire danger
Today in Johannesburg
- Air quality AQI 77Poor for sensitive people — asthma and older folks, take it easy outside. (Satellite estimate — other apps may read differently.)
- UV & sun UV 8High UV around midday — a bit of sunscreen goes a long way.
- Fire danger FDI 7Low fire danger — the veld isn’t dangerously dry today.
Next 7 days
- Fri11° / 21°UV 8
- Sat12° / 21°UV 8
- Sun11° / 22°UV 8
- Mon12° / 22°UV 7
- Tue12° / 21°UV 8
- Wed11° / 23°UV 8
- Thu12° / 22°UV 8
Weather in Johannesburg
Johannesburg sits high on the Highveld, where summer afternoons often build into sharp thunderstorms with lightning and sometimes hail, while winter days stay dry and sunny with cold, frosty nights. At nearly 1,800m up, Joburg is famous for the dramatic Highveld thunderstorms that build on hot summer afternoons.
Open the live Johannesburg appHow Johannesburg has changed
There has been little measurable change in how much of the land around Johannesburg is built on since 2017. The built-up area looks much the same on satellite images today as it did then.
We measure the same 10 km by 10 km square around every place we cover. How we measured this
Land cover: Impact Observatory, Esri and Microsoft, CC-BY-4.0. Derived from Copernicus Sentinel data.
In detail
- Will it rain?
- UV, hour by hour
- Air quality
- Fire danger
- Live rain over South Africa
- Where South Africa built the most
Nearby
Common questions
Is it safe to be outside in Johannesburg right now?
Mostly — but keep an eye on conditions in Johannesburg right now: Mind the air — Poor for sensitive people — asthma and older folks, take it easy outside. (Satellite estimate — other apps may read differently.) It's about 21° (feels like 22°), no rain expected soon, and UV peaks around 8. Air quality is poor (European AQI 77). Fire danger is low (index 7).
Will it rain in Johannesburg today?
No rain is expected in Johannesburg in the next few hours. The 7-day outlook shows what's coming.
How hot is it in Johannesburg today?
It's about 21° in Johannesburg right now, feeling like 22°, with a high near 21° and a low near 11°.
Is the UV high in Johannesburg today?
Today's UV in Johannesburg peaks around 8 (very high) — wear sunscreen and a hat around midday.
What is the fire danger in Johannesburg today?
Fire danger in Johannesburg is low right now, at a fire-danger index of 7. The veld is not dangerously dry today. The nearest satellite fire detection is about 69 km north-west of Johannesburg, 10 hours ago.
Overhead is a free guide built on live open weather data from Open-Meteo. It is advisory only — for official warnings and emergencies, follow the South African Weather Service.