Johannesburg, South Africa Clear Sky Chart

Johannesburg, South Africa (-26.2°, 28.05°) · Updated 18:21 SAST
84
Excellent
high confidence ⓘ
high · Forecast stability

Tonight's forecast has held steady across recent updates. We compare how much tonight's score has moved across our recent forecast updates, a score that's held steady is more trustworthy.

Confidence reflects how trustworthy the forecast is, it doesn't change the score.

Great night ahead
BEST 19:00–03:59 (8h 59m)
Near-perfect skies with moderate moon interference. ISS pass at 19:10 — 20° SE.
Sunset
18:22
Sunrise
05:20
Usable Hours
9/9
Moon
90%
Visible Planets
☿ Mercury14° W
♂ Mars28° NE
♃ Jupiter26° NE
♄ Saturn63° N
⛢ Uranus43° N
♆ Neptune64° N
Sky darkness
City sky (Bortle 8-9)
SQM 17.9, estimated from satellite night lights. A property of the place, separate from tonight’s score. How we estimate this
Open Full Johannesburg, South Africa Forecast →
Hour-by-hour scores · Planet rise/set & visibility · ISS & satellite passes · Moon detail · Full score breakdown · Aurora & observer profiles

Stargazing in Johannesburg, South Africa

Johannesburg's altitude (1,753m) gives it a natural advantage — thinner air improves seeing and transparency. The city's Bortle 7 drops to Bortle 4 within an hour heading into the Highveld or toward the Magaliesberg Mountains. South Africa's dry winter season (May–September) brings consistently clear skies. At 26.2°S, the galactic centre passes almost directly overhead, and the Magellanic Clouds are prominent. The Johannesburg Planetarium at the University of the Witwatersrand is a local landmark.

Johannesburg, South Africa Stargazing FAQ

Is Johannesburg good for stargazing?∨
Johannesburg's altitude of 1,753m gives it a natural advantage — thinner air improves seeing and transparency. The dry winter season (May-September) brings consistently clear skies.
Where can I stargaze near Johannesburg?∨
The Magaliesberg Mountains (1 hour north-west) and the Highveld plateau offer Bortle 4 conditions. The Cradle of Humankind area is a popular local dark-sky option. The Karoo to the south is darker still.
Can you see the Milky Way galactic centre from Johannesburg?∨
Yes — at 26.2°S, the galactic centre passes almost directly overhead during winter (May-September), making Johannesburg one of the better-positioned major cities for Milky Way viewing when you escape the city light.

Stargazing guides

Is Tonight Good for Stargazing?

The answer depends on five things you can check right now.

Light Pollution & the Bortle Scale

How dark is your sky: and what difference does it make?

What Planets Are Visible Tonight?

Real visibility data for all 7 naked-eye and telescope planets, calculated for your location.

Meteor Shower Calendar 2026

Every shower this year: peak dates, expected rates, moon interference, and the two you absolutely cannot miss.

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