Moon tonight · Green Bay, WI
Moon Phase Tonight in Green Bay, WI
Tonight's Moon in Green Bay, WI is a first quarter, 46% illuminated, rising Sun, Oct 18, 2:42 PM CDT and setting Sun, Oct 18, 11:44 PM CDT.
Live moon phase and illumination with local moonrise, moonset and transit times for Green Bay, WI, plus how tonight's moonlight affects stargazing and aurora viewing.
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First Quarter
46% illuminated · 7.6 days into the lunar cycle
Moonrise
Highest in sky
Moonset
Local time (America/Chicago), next events after this page was generated. Calculated with astronomy-engine for 44.51°, -88.01°.
Local sky conditions
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Moon impact on stargazing & aurora
At 46% 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 44.5° latitude generally needs about Kp 7.5.
Moon tonight in Green Bay: common questions
What is tonight's moon phase in Green Bay, WI?
Tonight's Moon in Green Bay, WI is a First Quarter, about 46% illuminated and 7.6 days into the lunar cycle, calculated for 2026-10-18 (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 Green Bay, WI tonight?
The next moonrise in Green Bay, WI is Sun, Oct 18, 2:42 PM CDT and the next moonset is Sun, Oct 18, 11:44 PM CDT (local time, America/Chicago). 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 Green Bay, WI?
At 46% 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 Green Bay, WI on the linked aurora and sky-tonight pages before heading out.