weathermetro
Cities / Japan
/ Hokkaido
☀️ Kōsei weather
Clear sky. No rain expected in the next few hours.
Feels like 15° Wind 4 km/h S Humidity 96% UV 3 Air Moderate ☀ 04:54 - 17:52
Right now it is 14° in Kōsei with clear skies and today's high is 24° with an overnight low of 10° . The sun rises at 04:54 and sets at 17:52, giving 12h 58m of daylight. Over the coming week highs range from 18° to 24° .
Kōsei is in Hokkaido, Japan, sitting 129 m above sea level. Local time is Asia/Tokyo (UTC+9), and every time on this page is shown in it.
Next 24 hours - temperature
10°
15°
19°
19°
11°
18:00 · 14.5° · 0 mm
19:00 · 13.6° · 0 mm
20:00 · 12.9° · 0 mm
21:00 · 12.4° · 0 mm
22:00 · 12° · 0 mm
23:00 · 11.6° · 0 mm
00:00 · 11.2° · 0 mm
01:00 · 10.9° · 0 mm
02:00 · 10.9° · 0 mm
03:00 · 10.9° · 0 mm
04:00 · 10.8° · 0 mm
05:00 · 11.7° · 0 mm
06:00 · 13.3° · 0 mm
07:00 · 14.3° · 0 mm
08:00 · 15.2° · 0 mm
09:00 · 16.2° · 0 mm
10:00 · 17.3° · 0 mm
11:00 · 18.7° · 0 mm
12:00 · 18.9° · 0 mm
13:00 · 18.7° · 0 mm
14:00 · 18.2° · 0 mm
15:00 · 17.9° · 0 mm
16:00 · 17.1° · 0 mm
17:00 · 16.1° · 0 mm
Precipitation
18:00 · 0 mm
18:00
19:00 · 0 mm
20:00 · 0 mm
21:00 · 0 mm
21:00
22:00 · 0 mm
23:00 · 0 mm
00:00 · 0 mm
00:00
01:00 · 0 mm
02:00 · 0 mm
03:00 · 0 mm
03:00
04:00 · 0 mm
05:00 · 0 mm
06:00 · 0 mm
06:00
07:00 · 0 mm
08:00 · 0 mm
09:00 · 0 mm
09:00
10:00 · 0 mm
11:00 · 0 mm
12:00 · 0 mm
12:00
13:00 · 0 mm
14:00 · 0 mm
15:00 · 0 mm
15:00
16:00 · 0 mm
17:00 · 0 mm
Hour by hour
TIME TEMP FEELS RAIN CONDITIONS
18:00
☀️
14.5°
14.8°
-
Clear sky
19:00
☀️
13.6°
14°
-
Clear sky
20:00
☀️
12.9°
13.2°
-
Clear sky
21:00
☀️
12.4°
12.6°
-
Clear sky
22:00
☀️
12°
11.9°
-
Clear sky
23:00
☀️
11.6°
11.7°
-
Clear sky
00:00
🌤️
11.2°
11°
-
Mostly clear
01:00
⛅
10.9°
10.7°
-
Partly cloudy
02:00
☁️
10.9°
10.6°
-
Overcast
03:00
☁️
10.9°
10.7°
-
Overcast
04:00
☁️
10.8°
10.7°
-
Overcast
05:00
☁️
11.7°
11.6°
-
Overcast
☀️
TodaySeptember 6th
Avg 16° Low 10° at 04:00
High 24° at 14:00
Wind ~14 km/h
Clear
00:00
11°
02:00
10°
04:00
10°
06:00
12°
08:00
18°
10:00
22°
12:00
24°
14:00
24°
16:00
21°
18:00
15°
20:00
13°
22:00
12°
🌦️
MondaySeptember 7th
Avg 15° Low 11° at 04:00
High 19° at 12:00
2 mm rain Feels 17° Wind ~16 km/h
Cloudy
Rain
00:00
11°
02:00
11°
04:00
11°
06:00
13°
08:00
15°
10:00
17°
12:00
19°
14:00
18°
16:00
17°
18:00
15°
20:00
15°
0.2mm
22:00
14°
0.6mm
🌦️
TuesdaySeptember 8th
Avg 17° Low 12° at 00:00
High 24° at 14:00
0.7 mm rain Wind ~8 km/h
Cloudy
Clear
00:00
12°
02:00
12°
04:00
13°
06:00
14°
08:00
16°
10:00
21°
12:00
24°
14:00
24°
16:00
22°
0.3mm
18:00
17°
20:00
15°
22:00
14°
🌦️
WednesdaySeptember 9th
Avg 15° Low 13° at 23:00
High 18° at 14:00
0.2 mm rain Feels 16° Wind ~17 km/h
Cloudy
Cloudy
Clear
Cloudy
00:00
14°
02:00
14°
04:00
15°
06:00
15°
08:00
15°
0.2mm
10:00
17°
12:00
16°
14:00
18°
16:00
16°
18:00
14°
20:00
13°
22:00
13°
☁️
ThursdaySeptember 10th
Avg 14° Low 10° at 05:00
High 19° at 14:00
Wind ~12 km/h
Cloudy
Cloudy
00:00
11°
02:00
12°
04:00
12°
06:00
11°
08:00
15°
10:00
18°
12:00
19°
14:00
19°
16:00
18°
18:00
14°
20:00
13°
22:00
12°
☁️
FridaySeptember 11th
Avg 14° Low 11° at 23:00
High 19° at 12:00
Wind ~10 km/h
Cloudy
Clear
00:00
12°
02:00
12°
04:00
12°
06:00
13°
08:00
16°
10:00
17°
12:00
19°
14:00
17°
16:00
15°
18:00
13°
20:00
12°
22:00
11°
☀️
SaturdaySeptember 12th
Avg 15° Low 11° at 02:00
High 22° at 14:00
Wind ~11 km/h
Partly Cloudy
Clear
00:00
11°
02:00
11°
04:00
11°
06:00
11°
08:00
16°
10:00
19°
12:00
21°
14:00
22°
16:00
20°
18:00
15°
20:00
14°
22:00
13°
☁️
SundaySeptember 13th
Avg 16° Low 11° at 04:00
High 22° at 12:00
Feels 20° Wind ~10 km/h
Clear
Cloudy
00:00
12°
02:00
11°
04:00
11°
06:00
12°
08:00
17°
10:00
20°
12:00
22°
14:00
21°
16:00
19°
18:00
15°
20:00
13°
22:00
13°
☀️
MondaySeptember 14th
Avg 15° Low 9° at 23:00
High 21° at 14:00
Feels 18° Wind ~13 km/h
Partly Cloudy
Clear
00:00
14°
02:00
12°
04:00
11°
06:00
11°
08:00
16°
10:00
19°
12:00
20°
14:00
21°
16:00
19°
18:00
14°
20:00
11°
22:00
10°
☁️
TuesdaySeptember 15th
Avg 14° Low 8° at 02:00
High 20° at 13:00
Wind ~12 km/h
Clear
Cloudy
Partly Cloudy
Cloudy
00:00
9°
02:00
8°
04:00
8°
06:00
10°
08:00
15°
10:00
18°
12:00
20°
14:00
20°
16:00
18°
18:00
15°
20:00
13°
22:00
12°
☁️
WednesdaySeptember 16th
Avg 13° Low 10° at 23:00
High 15° at 14:00
Wind ~5 km/h
Cloudy
Partly Cloudy
00:00
13°
02:00
13°
04:00
13°
06:00
14°
08:00
14°
10:00
14°
12:00
15°
14:00
15°
16:00
14°
18:00
12°
20:00
11°
22:00
10°
⛅
ThursdaySeptember 17th
Avg 15° Low 9° at 02:00
High 22° at 13:00
Feels 20° Wind ~11 km/h
Partly Cloudy
Cloudy
Partly Cloudy
Clear
00:00
9°
02:00
9°
04:00
9°
06:00
11°
08:00
16°
10:00
20°
12:00
22°
14:00
22°
16:00
19°
18:00
14°
20:00
12°
22:00
12°
☀️
FridaySeptember 18th
Avg 16° Low 11° at 04:00
High 24° at 13:00
Wind ~11 km/h
Clear
Partly Cloudy
00:00
11°
02:00
11°
04:00
11°
06:00
12°
08:00
18°
10:00
23°
12:00
24°
14:00
24°
16:00
21°
18:00
15°
20:00
14°
22:00
12°
🌧️
SaturdaySeptember 19th
Avg 16° Low 11° at 02:00
High 20° at 12:00
8.6 mm rain Wind ~17 km/h
Cloudy
Rain
00:00
11°
02:00
11°
04:00
11°
06:00
13°
08:00
16°
10:00
19°
12:00
20°
14:00
19°
0.1mm
16:00
18°
0.1mm
18:00
17°
0.1mm
20:00
17°
1mm
22:00
16°
2.5mm
🌧️
SundaySeptember 20th
Avg 16° Low 12° at 23:00
High 23° at 12:00
3.1 mm rain Wind ~20 km/h
Cloudy
Clear
Rain
Cloudy
00:00
15°
2.5mm
02:00
14°
04:00
13°
06:00
13°
08:00
18°
10:00
22°
12:00
23°
14:00
20°
0.1mm
16:00
16°
0.1mm
18:00
13°
0.1mm
20:00
13°
22:00
12°
🌦️
MondaySeptember 21st
Avg 14° Low 11° at 05:00
High 18° at 14:00
1.8 mm rain Feels 16° Wind ~10 km/h
Rain
Cloudy
Partly Cloudy
Clear
Rain
Partly Cloudy
00:00
11°
02:00
11°
0.1mm
04:00
11°
06:00
11°
08:00
14°
10:00
16°
12:00
18°
14:00
18°
16:00
16°
0.5mm
18:00
12°
0.5mm
20:00
12°
22:00
12°
Sun
☀️ Sunrise 04:54 · Sunset 17:52
12h 58m of daylight · Asia/Tokyo
Air quality
PM2.5 28 µg/m³ - Moderate
Fine for most people. If you have asthma or a heart condition, take it easier outdoors.
Source: Copernicus CAMS, updated hourly.
Common questions about Kōsei weather
Will it rain in Kōsei today?
No rain is in the forecast for Kōsei today.
What is the temperature in Kōsei right now?
It is 14° in Kōsei right now. Today runs between a low of 10° and a high of 24° .
What time is sunrise and sunset in Kōsei?
The sun rises at 04:54 and sets at 17:52 local time in Kōsei today, giving 12h 58m of daylight.
What is the air quality in Kōsei?
PM2.5 in Kōsei is currently 28 µg/m³, which counts as Moderate on the European air-quality index. Fine for most people. If you have asthma or a heart condition, take it easier outdoors.
How accurate is the Kōsei forecast, and how far ahead does it go?
This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Kōsei best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.
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© 2026 WeatherMetro · Weather data: ECMWF, NOAA, DWD, Météo-France, ECCC, MeteoSwiss and others (CC-BY 4.0) · Air quality & history: Copernicus CAMS / C3S · Location data: GeoNames (CC-BY) · Alerts: NWS, MeteoAlarm, ECCC