TONIGHT IN SAN ANTONIO, TX · TUESDAY, SEPTEMBER 1 · SUNSET 7:55 PM
One to skip, the Moon isn't at its best.
Tonight's sky in San Antonio is one to skip for the Moon: even at 74% lit and up around 10:55 PM, conditions score poorly, with 87% cloud cover in the forecast. Mars, Jupiter and more are also up tonight. Every time and percentage here is computed for San Antonio's exact coordinates and tonight's forecast.
See the Moon’s full night →WANING GIBBOUS · 74% LIT · SETS 12:41 PM
best window · waning gibbous, 74% lit
Better to wait: it is mostly cloudy and it sits low in the sky.
- Mostly cloudy (87%)
- Low in the sky (4° up)
- Altitude82° · High in sky
- Moon phase74% lit · waning gibbous
- Cloud cover87% · Overcast
- Sky darknessBortle 9 · Inner-city sky
What else is up tonight
The nights ahead
≈ marks a lower-confidence forecast; check back closer to the night.
Common questions
When exactly should I look tonight?
The Moon is best around 10:55 PM local time tonight, 74% lit with 87% cloud cover forecast at that hour.
What else is visible tonight from San Antonio?
Beyond the Moon: Mars (best 6:15 AM · 42° up in the E), Jupiter (best 6:35 AM · 17° up in the E), Venus (best 7:55 PM · 22° up in the WSW), Saturn (best 10:55 PM · 17° up in the E). Times and directions are computed for San Antonio, TX.
Do I need a telescope for tonight's sky?
No. The Moon, the bright planets and ISS passes are all naked-eye objects. Binoculars or a small telescope add detail but are never required.
Will clouds get in the way tonight in San Antonio?
Forecast says 87% cloud cover at the Moon's best time (17% average across the night). Tonight looks mostly blocked; the nights-ahead ribbon shows the next clearer night.
How dark is San Antonio's night sky?
San Antonio's city-center sky rates about Bortle 9 of 9 (inner-city sky). Bright inner-city sky: expect only the Moon, planets, and a handful of the very brightest stars. The Moon, planets and the ISS shine right through city glow.
How is the verdict calculated?
It fuses computed astronomy (altitude, phase, darkness) with the hour-by-hour cloud forecast for your exact location, weighted so overcast skies can never score a Good.