Moon tonight · Philadelphia, PA
Moon Phase Tonight in Philadelphia, PA
Tonight's Moon in Philadelphia, PA is a first quarter, 59% illuminated, rising Mon, Oct 19, 3:04 PM EDT and setting Tue, Oct 20, 1:09 AM EDT.
Live moon phase and illumination with local moonrise, moonset and transit times for Philadelphia, PA, plus how tonight's moonlight affects stargazing and aurora viewing.
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First Quarter
59% illuminated · 8.9 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 39.95°, -75.17°.
Local sky conditions
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Moon impact on stargazing & aurora
At 59% 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 40.0° latitude generally needs about Kp 9.0.
Moon tonight in Philadelphia: common questions
What is tonight's moon phase in Philadelphia, PA?
Tonight's Moon in Philadelphia, PA is a First Quarter, about 59% illuminated and 8.9 days into the lunar cycle, calculated for 2026-10-19 (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 Philadelphia, PA tonight?
The next moonrise in Philadelphia, PA is Mon, Oct 19, 3:04 PM EDT and the next moonset is Tue, Oct 20, 1:09 AM 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 Philadelphia, PA?
At 59% 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 Philadelphia, PA on the linked aurora and sky-tonight pages before heading out.