Can you see the Milky Way from Sacramento?

Not from Sacramento itself — at about Bortle 9 the dome is too bright. The darkest edge of the same metro is Granite Bay, about 22 mi out at roughly Bortle 5.

How dark is the sky across the Sacramento metro?

It varies by how close you are to the core. Sacramento itself reads about Bortle 9; the 33 towns in this light dome range down to Granite Bay at roughly Bortle 5, about 22 mi from the core. The table above sorts every town in the metro by measured darkness.

Where's the nearest certified dark-sky destination to Sacramento?

None of the 92 certified International Dark Sky Places sit within about 250 miles of Sacramento — the nearest genuinely darker option is Granite Bay within the metro itself.

Sacramento, CA — light pollution & stargazing across the metro

California · Very poor — city glow · 33 towns · 2,136,138 people in this light dome

The Sacramento, CA light dome covers 33 towns and about 2,136,138 people rated together, reading roughly Bortle 9 — a inner-city sky (very poor — city glow) — at Sacramento itself, measured from VIIRS 2024 satellite night-lights. The darkest edge of this same dome is Granite Bay, about 22 mi out, at roughly Bortle 5. Tonight's Moon phase, cloud cover, and aurora odds load live below, computed in your browser.

1–2 3 4 5 6 7 8 9

← darker sky You: Bortle 9 · Inner-city sky brighter →

Stargazing at the Sacramento core tonight

Light-pollution reading — dome core Sacramento, CA · VIIRS 2024

Estimated Bortle class (core): 9 of 9
VIIRS radiance (core): 121 nW/cm²/sr
Naked-eye limiting mag. (core): under 4.1
Darkest edge of this dome: Granite Bay · B5 · 22 mi

What you can see from the Sacramento core

Only the Moon, the bright planets, and a scattering of the very brightest stars pierce the glow. For real stargazing you'll want to drive to a darker site.

At an estimated Bortle 9, the faintest stars visible from Sacramento itself on a clear, moonless night run to about magnitude 4.0 or brighter, and the Milky Way is not visible. Granite Bay is a regional drive away (22 mi) and improves to roughly Bortle 5.

Of the 33 towns rated in this dome, most read Bortle 7 (20 towns) — spread across 5 darkness classes overall. Beyond Sacramento itself, Elk Grove, Roseville, Vacaville round out the largest towns sharing this same light dome.

The sky from 38.6°N

Declination above +51.4° never sets here, and below −51.4° never rises — no matter how clear the night or how long you wait.

Never sets: Polaris, the Big Dipper
Never rises: Canopus, Alpha Centauri, the Southern Cross
Milky Way core: culminates 22.4° above the southern horizon — it climbs to a workable height in the south on summer nights.
Longest night: 14 h 42 m at the December solstice, 9 h 18 m in June.
Midsummer: the Sun reaches only 28.0° below the horizon at solar midnight in June — past the 18° astronomical-night mark.

Geometric, from 38.582°N, 121.494°W. How these are computed.

Every town in this light dome, darkest first

All 33 towns inside Sacramento's ~35-mile dome, each with its own measured reading.

Sacramento metro towns, darkest sky first.
Town	State	Bortle	Sky	Radiance
Granite Bay	CA	5	Suburban sky	4.0
Cameron Park	CA	5	Suburban sky	4.3
El Dorado Hills	CA	5	Suburban sky	7.2
Rio Linda	CA	6	Bright suburban sky	16
North Highlands	CA	6	Bright suburban sky	17
Dixon	CA	6	Bright suburban sky	18
Vineyard	CA	6	Bright suburban sky	18
Auburn	CA	6	Bright suburban sky	19
Citrus Heights	CA	7	Suburban / urban transition	20
La Riviera	CA	7	Suburban / urban transition	21
Fair Oaks	CA	7	Suburban / urban transition	22
North Auburn	CA	7	Suburban / urban transition	23
Foothill Farms	CA	7	Suburban / urban transition	23
Orangevale	CA	7	Suburban / urban transition	24
Woodland	CA	7	Suburban / urban transition	26
Rocklin	CA	7	Suburban / urban transition	26
Carmichael	CA	7	Suburban / urban transition	26
Lincoln	CA	7	Suburban / urban transition	27
Elk Grove	CA	7	Suburban / urban transition	28
Folsom	CA	7	Suburban / urban transition	28
Rosemont	CA	7	Suburban / urban transition	28
Galt	CA	7	Suburban / urban transition	28
Davis	CA	7	Suburban / urban transition	30
Florin	CA	7	Suburban / urban transition	32
Arden-Arcade	CA	7	Suburban / urban transition	33
Rancho Cordova	CA	7	Suburban / urban transition	33
Vacaville	CA	7	Suburban / urban transition	36
Lodi	CA	7	Suburban / urban transition	39
Antelope	CA	8	City sky	41
West Sacramento	CA	8	City sky	42
Roseville	CA	8	City sky	46
Parkway	CA	8	City sky	48
Sacramento	CA	9	Inner-city sky	121

Certified dark-sky destinations near Sacramento

None of the 92 certified International Dark Sky Places sit within about 250 miles of Sacramento. The darkest option inside this same metro is Granite Bay, about 22 mi out.

Other light domes near Sacramento

San Francisco, CA (75 mi, core Bortle 8) , San Jose, CA (89 mi, core Bortle 8) , and Los Angeles, CA (360 mi, core Bortle 9) are the closest other metro-scale domes tracked here — each with its own core reading and its own darkest edge.

Frequently asked questions

Can you see the Milky Way from Sacramento?: Not from Sacramento itself — at about Bortle 9 the dome is too bright. The darkest edge of the same metro is Granite Bay, about 22 mi out at roughly Bortle 5.
How dark is the sky across the Sacramento metro?: It varies by how close you are to the core. Sacramento itself reads about Bortle 9; the 33 towns in this light dome range down to Granite Bay at roughly Bortle 5, about 22 mi from the core. The table above sorts every town in the metro by measured darkness.
Where's the nearest certified dark-sky destination to Sacramento?: None of the 92 certified International Dark Sky Places sit within about 250 miles of Sacramento — the nearest genuinely darker option is Granite Bay within the metro itself.

How to read this rating

A satellite proxy, not a survey-grade reading. Sources and limits.

More in California

All California towns · Bortle scale · Tonight's Moon · Dark-sky map