Night sky tonight in Maine

Tonight's score out of 10 and the best hours for each Maine city we cover, worked out for its own position and time zone. Open a city for the full forecast: the Moon, planets, meteor showers, northern lights, ISS passes and clouds.

Cities in Maine

City	Tonight	Best time	Northern lights need
Portland	…	…	Kp 6.4
Bangor	…	…	Kp 6.2
Augusta	…	…	Kp 6.3

Scores before clouds; each city page adds the National Weather Service cloud forecast. Northern lights: see tonight's aurora outlook for Maine.

Darkness across Maine

How early it gets dark in midwinter and how short the summer nights get, city by city, and how far each city is from the nearest certified dark-sky place.

City	Sunset Dec 15	Full darkness Dec 15	Sunset Jun 15	Full darkness Jun 15	Nearest dark-sky place
Portland	4:05 PM	11.6 h	8:24 PM	3.8 h	AMC Maine Woods, 134 mi N
Bangor	3:55 PM	11.7 h	8:23 PM	3.4 h	AMC Maine Woods, 52 mi NW
Augusta	4:00 PM	11.6 h	8:25 PM	3.6 h	AMC Maine Woods, 81 mi N

Moon-free nights in Maine, month by month

The runs of nights when the Moon is down for most of full darkness, worked out for Portland; across the state the dates shift by a night at most.

November 2026: Nov 3–15
December 2026: Dec 2–14, Dec 31
January 2027: Jan 1–13, Jan 29–31
February 2027: Feb 1–11, Feb 27–28
March 2027: Mar 1–12, Mar 28–31
April 2027: Apr 1–9, Apr 26–30
May 2027: May 1–9, May 27–31
June 2027: Jun 1–9, Jun 29–30
July 2027: Jul 1–11, Jul 29–31
August 2027: Aug 1–5, Aug 7–10, Aug 27–31
September 2027: Sep 1–8, Sep 25–30
October 2027: Oct 1–6, Oct 24–31
November 2027: Nov 1–4, Nov 22–30
December 2027: Dec 1–4, Dec 21–31

Dark-sky places in Maine

AMC Maine Woods: International Dark Sky Park (2021)
Katahdin Woods and Waters National Monument: International Dark Sky Sanctuary (2020)

Descriptions and moon-free weekends

Eclipses visible in Maine

All states