Buenos Aires, Argentina Clear Sky Chart

Buenos Aires, Argentina (-34.6°, -58.38°) · Updated 02:45 -03
98
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.

Go out tonight
BEST 21:00–05:43 (8h 43m)
Near-perfect skies. Venus, Saturn well placed tonight.
Sunset
18:37
Sunrise
07:06
Usable Hours
9/9
Moon
46%
Visible Planets
♀ Venus26° W
♂ Mars15° NE
♄ Saturn53° N
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Stargazing in Buenos Aires, Argentina

Buenos Aires' Bortle 8 skies cover the sprawling metro area, but the Argentine pampas to the south and west darken rapidly — Bortle 3–4 conditions are reachable within 2 hours. At 34.6°S, the southern sky is outstanding, with the Magellanic Clouds visible on clear nights. The humid subtropical climate means summer can be hazy, but autumn and winter bring clearer, drier conditions. Argentina's passion for astronomy extends from amateur clubs to the El Leoncito observatory in the Andes.

Buenos Aires, Argentina Stargazing FAQ

Where can I stargaze near Buenos Aires?
The Argentine pampas to the south and west reach Bortle 3-4 within 2 hours. The Sierra de la Ventana (5 hours south-west) offers elevated dark-sky observing. The countryside around Cañuelas (1 hour south) provides a closer option.
Can you see the Magellanic Clouds from Buenos Aires?
Yes — at 34.6°S, both the Large and Small Magellanic Clouds are visible from dark-sky sites near the city on clear, moonless nights. They're best seen during the warmer months when they're higher in the sky.
When is the best time to stargaze near Buenos Aires?
Autumn and winter (April-September) bring clearer, drier conditions. Summer can be hazy. The Milky Way galactic centre is best positioned from March through September.