Moon tonight · Portland, ME
Moon Phase Tonight in Portland, ME
Tonight's Moon in Portland, ME is a first quarter, 42% illuminated, rising Sun, Oct 18, 2:26 PM EDT and setting Sat, Oct 17, 10:28 PM EDT.
Live moon phase and illumination with local moonrise, moonset and transit times for Portland, ME, plus how tonight's moonlight affects stargazing and aurora viewing.
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First Quarter
42% illuminated · 7.1 days into the lunar cycle
Moonrise
Highest in sky
Moonset
Local time (America/New York), next events after this page was generated. Calculated with astronomy-engine for 43.66°, -70.26°.
Local sky conditions
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Moon impact on stargazing & aurora
At 42% illumination moonlight is moderate: a strong aurora still shows, but faint activity and dim nebulae are washed out while the Moon is up.
Aurora at 43.7° latitude generally needs about Kp 7.8.
Moon tonight in Portland: common questions
What is tonight's moon phase in Portland, ME?
Tonight's Moon in Portland, ME is a First Quarter, about 42% illuminated and 7.1 days into the lunar cycle, calculated for 2026-10-17 (UTC). The phase is the same worldwide; its tilt and the times it is above the horizon depend on your location.
What time is moonrise and moonset in Portland, ME tonight?
The next moonrise in Portland, ME is Sun, Oct 18, 2:26 PM EDT and the next moonset is Sat, Oct 17, 10:28 PM EDT (local time, America/New York). Times are calculated from the city's coordinates with the astronomy-engine library and refer to the geometric rise and set of the Moon's upper limb.
How does tonight's moonlight affect stargazing and aurora viewing in Portland, ME?
At 42% illumination moonlight is moderate: a strong aurora still shows, but faint activity and dim nebulae are washed out while the Moon is up. Check clear-sky and aurora conditions for Portland, ME on the linked aurora and sky-tonight pages before heading out.