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Stargazing forecast

Stargazing forecast for Sapporo, Japan

  • Thu 8 Oct night
  • 43.067° N, 141.350° E
  • 26 m
  • GMT+9 · Asia/Tokyo
Open the live forecast — sky score, seeing, 7 nights

Tonight at a glance

Partly cloudy for the rest of the night; the Moon (5% lit) rises at 03:51.

  • Most of the cloud is low cloud, which blocks the sky outright.
  • Dew risk: the temperature comes within 2 °C (3.6 °F) of the dew point by 03:00 — optics may fog without a dew heater.

· MET Norway forecast issued 8 Oct, 17:18 UTC

Cloud cover
42%Partly cloudy
Dark hours
9 h 27 min18:38–04:06
Moon
5%9 h 15 min moon-free
Wind
8 km/hCalm
Low temperature
9°CDuring the dark hours
Dew risk
HighAir comes within 0° of the dew point

Photo: Milky Way over Paranal — ESO/A. Ghizzi Panizza (www.albertoghizzipanizza.com), CC BY 4.0

Hourly forecast

Cloud by layer, hour by hour. Darker blue means clearer sky; each cell shows its percentage. Low cloud blocks the sky outright; thin high cloud only dims it.

Hourly cloud cover (%) and conditions tonight in Sapporo
GMT+9Fri 9Sat 10
Hour03040506070809101112131415161718192021222300010203040506070809101112131415161718
Sky: Dark 03–04, Astronomical twilight 04–05, Civil twilight 05–06, Daylight 06–17, Civil twilight 17–18, Astronomical twilight 18–19, Dark 19–04, Astronomical twilight 04–05, Civil twilight 05–06, Daylight 06–17, Civil twilight 17–18, Astronomical twilight 18–19
Total cloud38465861585992722351621161313161196999198564237646467282931728293840417895
Low cloud3846586057488231731121810131316109699919856413763646728293172661324232528
Mid cloud41022323813161081066554454210000000000046932
High cloud0000000000000000000000000200000002253020237092
Sun & Moon
Temperature °C9988101316192021212120191716161514131211111111111111121516182021212121201817
Dew point °C; dew risk (within 2° of the dew point): 03, 04, 05, 06, 07, 17, 18, 19, 20, 21, 22, 23, 00, 01, 02, 03, 04, 05, 06, 07988891112121212131414151515151414121211111111111111111314141414141414141414
Wind km/h89891097661214151412753458667888999101110866910943
Rain (mm)00000000000.30.20000000000000000000000000000
Cloud cover0–9%10–24%25–44%45–64%65–84%85–100%
SkyDaylightCivil twilightNautical twilightAstronomical twilightDark
Sun altitudeMoon altitude12dew risk (within 2° of the dew point)Scroll sideways for the next 40 hours →

Weather data: MET Norway (CC BY 4.0)

Next 7 nights

Average cloud during each night's dark hours, with the Moon. The first two to three nights use hourly data; later nights use MET Norway's 6-hourly steps and are less certain.

  1. Tonight8 Oct

    42%Partly cloudy

    5% · 9 h 10 min moon-free

    18:38–04:06

  2. Fri9 Oct

    57%Partly cloudy

    1% · 9 h 30 min moon-free

    18:36–04:07

  3. Sat10 Oct

    94%Cloudy

    0% · 9 h 33 min moon-free

    18:35–04:08

  4. Sun11 Oct

    48%Partly cloudy

    1% · 9 h 36 min moon-free

    18:33–04:09

    6-hourly data

  5. Mon12 Oct

    78%Cloudy

    4% · 9 h 39 min moon-free

    18:31–04:10

    6-hourly data

  6. Tue13 Oct

    97%Cloudy

    9% · 9 h 42 min moon-free

    18:30–04:11

    6-hourly data

  7. Wed14 Oct

    36%Partly cloudy

    15% · 9 h 44 min moon-free

    18:28–04:13

    6-hourly data

Sun & twilight

Twilight ends in three steps. Faint galaxies and the Milky Way need astronomical darkness, when the Sun is more than 18° below the horizon.

Sunset
17:04
Civil dusk (−6°)
17:32
Nautical dusk (−12°)
18:05
Astronomical dusk (−18°)
18:38
Astronomical dawn (−18°)
04:06
Nautical dawn (−12°)
04:39
Civil dawn (−6°)
05:12
Sunrise
05:40

Dark window: 18:38 – 04:06 GMT+9 (9 h 27 min)

The Moon

Waning Crescent

Illuminated
5%
Age
27.6 days
Moonrise
03:51
Moonset
15:47
Moon-free dark time
9 h 15 min

Next phases

  1. New MoonSun 11 Oct00:50
  2. First QuarterMon 19 Oct01:13
  3. Full MoonMon 26 Oct13:12
  4. Last QuarterMon 2 Nov05:28
Next lunar eclipse visible here
Partial · Fri 7 Jul 2028, 03:19 · Moon 6° up
Next solar eclipse visible here
Annular · Sat 1 Jun 2030, 16:56 · 88% of the Sun covered

Planets tonight

Naked-eye planets that climb more than 10° above the horizon during the astronomically dark hours.

Altitude through the night

0°30°60°90°17:0019:0021:0023:0001:0003:0005:00MarsJupiterSaturn
Planets tonight — Sapporo
PlanetRisesTransits (altitude)SetsBest seen tonightBrightnessIn
JupiterVisible00:5707:58 · 62°15:0201:58–04:06, Emag -1.9Leo
SaturnVisible17:0123:10 · 49°05:1918:38–04:06, Smag 0.2Cetus
MarsVisible23:3807:00 · 67°14:2300:48–04:06, Emag 1.1Cancer
Venus07:5712:39 · 26°17:16Below 10°mag -4.6Virgo
Mercury07:5712:52 · 30°17:48Below 10°mag -0.1Libra

Lower magnitude = brighter. Venus and Jupiter outshine every star.

Sky events — next 90 days

Moon phases, seasons, planet highlights and eclipses, with times for this city.

  1. Oct11Sun

    Moon · 00:50

    New Moon

    Darkest skies of the month for galaxies and the Milky Way.

  2. Oct12Mon

    Planet · 19:06

    Mercury at greatest evening elongation

    25° from the Sun — the best evening view of Mercury, low in the west after sunset.

  3. Oct26Mon

    Moon · 13:12

    Full Moon

    Bright moonlight all night; best for the Moon itself.

  4. Oct29Thu

    Moon · 03:04

    Moon at perigee near full (a “supermoon”)

    Closest to Earth this month: 364,397 km.

  5. Nov9Mon

    Moon · 16:02

    New Moon

    Darkest skies of the month for galaxies and the Milky Way.

  6. Nov24Tue

    Moon · 23:54

    Full Moon

    Bright moonlight all night; best for the Moon itself.

  7. Nov26Thu

    Moon · 06:02

    Moon at perigee near full (a “supermoon”)

    Closest to Earth this month: 359,335 km.

  8. Dec9Wed

    Moon · 09:52

    New Moon

    Darkest skies of the month for galaxies and the Milky Way.

  9. Dec22Tue

    Season · 05:50

    Winter solstice

    The longest night of the year — the most hours of darkness.

  10. Dec24Thu

    Moon · 10:28

    Full Moon

    Bright moonlight all night; best for the Moon itself.

  11. Dec24Thu

    Moon · 17:32

    Moon at perigee near full (a “supermoon”)

    Closest to Earth this month: 356,641 km.

  12. Jan4Mon

    Planet · 02:56

    Venus at greatest morning elongation

    47° from the Sun — the best morning view of Venus, low in the east before sunrise.

Quick answers

Will it be clear for stargazing in Sapporo tonight?
Partly cloudy for the rest of the night; the Moon (5% lit) rises at 03:51. That is the hourly total-cloud forecast for Sapporo, Japan on the night of 8 October 2026, read inside the darkest hours: under 25% cloud counts as clear and 65% or more as cloudy. Most of the cloud is low cloud, which blocks the sky outright.
When does it get dark in Sapporo tonight?
In Sapporo, Japan on the night of 8 October 2026, astronomical darkness begins at 18:38 and lasts until 04:06 GMT+9 — 9 h 27 min of fully dark sky. The Sun sets at 17:04, and nautical twilight ends at 18:05.
Is the Moon up tonight in Sapporo?
On the night of 8 October 2026 in Sapporo, Japan, the Moon is a waning crescent, 5% illuminated. It sets at 15:47 and rises at 03:51, GMT+9. 9 h 15 min of the dark window is moon-free.
Which planets can I see from Sapporo tonight?
From Sapporo, Japan on the night of 8 October 2026: Mars (00:48–04:06, highest 47° in the E at 04:06, magnitude 1.1); Jupiter (01:58–04:06, highest 33° in the E at 04:06, magnitude -1.9); Saturn (18:38–04:06, highest 49° in the S at 23:08, magnitude 0.2). Times are GMT+9; all are visible to the naked eye.

Forecast details

Location
43.067° N, 141.350° E
Elevation
26 m
Time zone
Asia/Tokyo (GMT+9)
Weather model
MET Norway Locationforecast 2.0
Forecast issued
8 Oct, 17:18 UTC
Next update expected
≈ 8 Oct, 18:56 UTC
Page generated
8 Oct, 18:24 UTC
Astronomy
Computed with astronomy-engine for these coordinates

Computed for 43.067° N, 141.350° E, elevation 26 m, time zone Asia/Tokyo. City centres are light-polluted; the times here apply anywhere within about 50 km, so drive out to darker skies.

Sun, Moon and planet positions are calculated with astronomy-engine. Twilight uses the Sun's geometric centre; sunrise and sunset use the upper limb with standard refraction.

The summary line restates the hourly total-cloud forecast inside the dark window (clear under 25%, cloudy from 65%) and the Moon's times. It is not a score — the Tonight score lives in the app.

Seeing and transparency forecasts are coming to the app first (North America via Environment Canada's model, a worldwide beta elsewhere).

Nearby city forecasts

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