Milky Way Tonight in Boston

Tonight's verdict for Boston, Massachusetts, United States — cloud cover, moonlight, sky darkness and the exact window when the galactic core is high enough to see.

Milky Way over a dark night landscape for stargazing

USBostonMassachusetts, United States

NOT A GOOD NIGHT

Clouds, moonlight, or darkness may make viewing difficult.

Best viewing window4:00 PM — 7:20 PM

Best window 16:00–19:20 local time

Clouds
1%Very clear
Moonlight
Moderate49% lit
Darkness
ExcellentBortle 3
Weather
Clear skiesDry · 11°C

The night, hour by hour

The Milky Way climbs highest close to 5:30 PM — up to 19°.

00:0003:0006:0009:0012:0015:0018:0021:00
20:00core 12°moon below horizonsun -19°drag to scrub
galactic core altitude moon sun best window 16:00–19:20times are local

Next seven nights

No strong night in the week ahead — the bars show how each night compares. Tap a night to redraw everything above.

Why this reading

  • Almost no clouds are forecast.
  • Moderate moonlight (49% lit) may wash out faint detail.
  • The sky here is dark enough to see the Milky Way clearly.
  • The bright centre of the Milky Way stays below the horizon tonight.

How this is calculatedDarker skies near Boston

Almanac

Almanac for Tonight in Boston
Sunset18:25
Darkness begins20:00astronomical twilight ends
Best viewing window16:00–19:200.0 h of usable core
Galactic corepeaks 19° above the horizonusable from 16:00 local
Moon49% · last quarterup from 23:30 to 14:50
Sky darknessBortle 3Rural sky
Darkness ends05:15
Sunrise06:45

Getting somewhere darker

Bortle 1 — unnamed darker area 30 km E of you · you are Bortle 3

Nearest darker sky: Bortle 1, 30 km E.

Weather updated 08:08 local. Calculated 09:42 local time · Boston, Massachusetts, United States
Representative night-sky photograph — not taken at this location.

Milky Way visibility questions

Can I see the Milky Way tonight in Boston?

Not tonight. The bright galactic core stays below a usable altitude tonight — this is the wrong part of the year for Milky Way viewing from here. The seven nights ahead are compared on this page.

What time is the Milky Way visible in Boston tonight?

The usable window — galactic core above 15° altitude during darkness, with the Moon not washing it out — runs 16:00–19:20 local time. Outside that window the core is either too low or the sky is too bright.

What are the cloud and Moon conditions in Boston tonight?

Cloud cover in the viewing window averages 1%, and the Moon is 49% illuminated, rising during your viewing window.

How dark is the sky in Boston?

Boston is in a Bortle 3 area (Rural sky). A darker option — Bortle 1 — is about 30 km E.