Arcos de Valdevez, Viana do Castelo, Portugal
Can I See ☿️ Mercury Tonight in Arcos de Valdevez, Viana do Castelo, Portugal?
No — Mercury doesn't reach a useful viewing altitude tonight from Arcos de Valdevez, Viana do Castelo, Portugal.
Not visible tonight
Mercury doesn't reach 10° above the horizon during dark hours tonight.
How to find Mercury tonight
Mercury is currently too low or entirely below the horizon during dark hours from Arcos de Valdevez, Viana do Castelo, Portugal, or it's up only during daylight. Check back another night, or see nearby dates and locations below.
How this is calculated
This answer is calculated live using real orbital mechanics — NASA JPL's published Keplerian orbital elements for Mercury, combined with Arcos de Valdevez, Viana do Castelo, Portugal's real coordinates (41.85°, -8.42°) — not a canned or templated answer. Moon interference is estimated from real moon illumination data.