Cities / Japan / Hokkaido

15°

☁️ Koizumi weather

Overcast. No rain expected in the next few hours.

Feels like 15° Wind 3 km/h S Humidity 88% UV 0 Air Moderate ☀ 04:55 - 17:48

Right now it is 15° in Koizumi with overcast skies and today's high is 26° with an overnight low of 14°. The sun rises at 04:55 and sets at 17:48, giving 12h 53m of daylight. Over the coming week highs range from 17° to 25°.

Koizumi is in Hokkaido, Japan, sitting 71 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

14° 20° 26° 26° 15° 04:00 · 15° · 0 mm 05:00 · 14.5° · 0 mm 06:00 · 15.7° · 0 mm 07:00 · 17.1° · 0 mm 08:00 · 18.4° · 0 mm 09:00 · 19.9° · 0 mm 10:00 · 21.6° · 0 mm 11:00 · 23.6° · 0 mm 12:00 · 24.9° · 0 mm 13:00 · 25.5° · 0 mm 14:00 · 25.4° · 0 mm 15:00 · 22.4° · 0 mm 16:00 · 20.1° · 0 mm 17:00 · 19.7° · 0 mm 18:00 · 18.9° · 0 mm 19:00 · 18.3° · 0 mm 20:00 · 17.8° · 0 mm 21:00 · 16.8° · 0 mm 22:00 · 15.8° · 0 mm 23:00 · 16° · 0 mm 00:00 · 16.4° · 0 mm 01:00 · 16.2° · 0 mm 02:00 · 15.9° · 0 mm 03:00 · 16.5° · 0 mm

Precipitation

04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0 mm 10:00 · 0 mm 10:00 11:00 · 0 mm 12:00 · 0 mm 13:00 · 0 mm 13:00 14:00 · 0 mm 15:00 · 0 mm 16:00 · 0 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
04:00 ☁️ 15° 15.4° - Overcast
05:00 ☁️ 14.5° 14.8° - Overcast
06:00 ☁️ 15.7° 16.1° - Overcast
07:00 ⛅ 17.1° 17.1° - Partly cloudy
08:00 ☀️ 18.4° 18° - Clear sky
09:00 🌤️ 19.9° 19.8° - Mostly clear
10:00 🌤️ 21.6° 21.8° - Mostly clear
11:00 ☀️ 23.6° 24.5° - Clear sky
12:00 ☀️ 24.9° 25.9° - Clear sky
13:00 ☁️ 25.5° 26.5° - Overcast
14:00 ☁️ 25.4° 25.6° - Overcast
15:00 ☁️ 22.4° 22.8° - Overcast

Next 16 days

Today☁️ 26°14° Wed 9☁️ 17°10°0.1mm Thu 10☁️ 21°7° Fri 11☁️ 21°11° Sat 12☀️ 24°11° Sun 13☁️ 25°12° Mon 14☁️ 25°13° Tue 15☁️ 20°13° Wed 16🌦️ 21°13°2.4mm Thu 17🌦️ 18°11°4.4mm Fri 18☁️ 16°6°0.7mm Sat 19☀️ 19°5° Sun 20☀️ 21°7° Mon 21🌦️ 16°10°1.2mm Tue 22🌧️ 11°10°70.4mm Wed 23🌧️ 0°0°
☁️ TodaySeptember 8th Avg 19° Low 14° at 03:00 High 26° at 13:00 Wind ~9 km/h
Cloudy Cloudy Clear Cloudy
00:00 15°
02:00 16°
04:00 15°
06:00 16°
08:00 18°
10:00 22°
12:00 25°
14:00 25°
16:00 20°
18:00 19°
20:00 18°
22:00 16°
☁️ WednesdaySeptember 9th Avg 14° Low 10° at 23:00 High 17° at 14:00 0.1 mm rain Wind ~15 km/h
Cloudy Cloudy Clear
00:00 16°
02:00 16°
04:00 16°
06:00 14°
08:00 14°
10:00 14°
12:00 14°
14:00 17°
16:00 16°
18:00 14°
20:00 10°
22:00 10°
☁️ ThursdaySeptember 10th Avg 14° Low 7° at 05:00 High 21° at 14:00 Feels 19° Wind ~10 km/h
Cloudy Cloudy Clear
00:00 9°
02:00 8°
04:00 7°
06:00 9°
08:00 15°
10:00 18°
12:00 20°
14:00 21°
16:00 20°
18:00 14°
20:00 12°
22:00 11°
☁️ FridaySeptember 11th Avg 16° Low 11° at 00:00 High 21° at 14:00 Feels 18° Wind ~19 km/h
Cloudy Clear
00:00 11°
02:00 12°
04:00 12°
06:00 13°
08:00 17°
10:00 19°
12:00 21°
14:00 21°
16:00 20°
18:00 16°
20:00 13°
22:00 12°
☀️ SaturdaySeptember 12th Avg 17° Low 11° at 05:00 High 24° at 13:00 Wind ~10 km/h
Clear
00:00 12°
02:00 11°
04:00 11°
06:00 12°
08:00 17°
10:00 21°
12:00 24°
14:00 24°
16:00 23°
18:00 16°
20:00 15°
22:00 13°
☁️ SundaySeptember 13th Avg 18° Low 12° at 04:00 High 25° at 13:00 Feels 23° Wind ~20 km/h
Cloudy Partly Cloudy Cloudy
00:00 13°
02:00 12°
04:00 12°
06:00 13°
08:00 18°
10:00 22°
12:00 25°
14:00 25°
16:00 22°
18:00 18°
20:00 17°
22:00 16°
☁️ MondaySeptember 14th Avg 18° Low 13° at 23:00 High 25° at 13:00 Wind ~20 km/h
Cloudy Cloudy
00:00 17°
02:00 16°
04:00 15°
06:00 15°
08:00 19°
10:00 22°
12:00 25°
14:00 25°
16:00 22°
18:00 15°
20:00 14°
22:00 14°
☁️ TuesdaySeptember 15th Avg 16° Low 13° at 23:00 High 20° at 13:00 Wind ~13 km/h
Cloudy
00:00 13°
02:00 14°
04:00 15°
06:00 15°
08:00 16°
10:00 18°
12:00 20°
14:00 20°
16:00 18°
18:00 16°
20:00 14°
22:00 13°
🌦️ WednesdaySeptember 16th Avg 16° Low 13° at 23:00 High 21° at 13:00 2.4 mm rain Wind ~14 km/h
Cloudy Rain Partly Cloudy
00:00 13°
02:00 13°
04:00 13°
06:00 13°
08:00 16°
10:00 18° 0.1mm
12:00 20° 0.1mm
14:00 20° 0.5mm
16:00 18° 0.2mm
18:00 15° 0.2mm
20:00 13°
22:00 13°
🌦️ ThursdaySeptember 17th Avg 14° Low 11° at 22:00 High 18° at 11:00 4.4 mm rain Wind ~22 km/h
Clear Rain
00:00 12°
02:00 12°
04:00 12°
06:00 12°
08:00 16° 0.7mm
10:00 18° 0.4mm
12:00 18° 0.4mm
14:00 17° 0.1mm
16:00 15° 0.1mm
18:00 13° 0.1mm
20:00 12° 0.1mm
22:00 11° 0.1mm
☁️ FridaySeptember 18th Avg 11° Low 6° at 23:00 High 16° at 14:00 0.7 mm rain Feels 13° Wind ~14 km/h
Rain Clear Rain Cloudy Partly Cloudy
00:00 11° 0.1mm
02:00 11° 0.1mm
04:00 10°
06:00 9°
08:00 13°
10:00 15° 0.1mm
12:00 15° 0.1mm
14:00 16°
16:00 13°
18:00 9°
20:00 7°
22:00 7°
☀️ SaturdaySeptember 19th Avg 11° Low 5° at 02:00 High 19° at 14:00 Feels 16° Wind ~11 km/h
Clear
00:00 6°
02:00 5°
04:00 5°
06:00 7°
08:00 13°
10:00 17°
12:00 18°
14:00 19°
16:00 16°
18:00 10°
20:00 9°
22:00 8°
☀️ SundaySeptember 20th Avg 13° Low 7° at 04:00 High 21° at 12:00 Feels 19° Wind ~13 km/h
Clear Cloudy
00:00 8°
02:00 7°
04:00 7°
06:00 8°
08:00 14°
10:00 19°
12:00 21°
14:00 19°
16:00 16°
18:00 12°
20:00 11°
22:00 10°
🌦️ MondaySeptember 21st Avg 12° Low 10° at 02:00 High 16° at 12:00 1.2 mm rain Feels 13° Wind ~13 km/h
Cloudy
00:00 10°
02:00 10°
04:00 10°
06:00 10°
08:00 13°
10:00 15°
12:00 16°
14:00 15°
16:00 13°
18:00 11°
20:00 11°
22:00 10° 0.6mm
🌧️ TuesdaySeptember 22nd Avg 10° Low 10° at 09:00 High 11° at 02:00 70.4 mm rain Feels 7° Wind ~39 km/h
Rain
00:00 10° 0.6mm
02:00 11° 0.8mm
04:00 11° 2.5mm
06:00 10° 2.5mm
08:00 10° 2.5mm
10:00 10° 2.3mm
12:00 10° 2.3mm
14:00 10° 2mm
16:00 10° 5.1mm
18:00 10° 5.1mm
20:00 10° 5.4mm
22:00 11° 4mm
🌧️ WednesdaySeptember 23rd Avg 10° Low 0° at 17:00 High 0° at 00:00 Feels 5° Wind ~39 km/h
Rain
00:00 11° 4mm
02:00 11° 3.9mm
04:00 11° 4mm
06:00 11° 4mm
08:00 10° 2.5mm
10:00 10° 2.2mm
12:00 10° 2.2mm
14:00 10° 1.5mm
16:00 10° 1.4mm
18:00 10° 1.4mm
20:00 10° 0.3mm
22:00 0°

Sun

☀️ Sunrise 04:55 · Sunset 17:48

12h 53m of daylight · Asia/Tokyo

Air quality

PM2.5 35.5 µg/m³ - Moderate

Fine for most people. If you have asthma or a heart condition, take it easier outdoors.

Source: Copernicus CAMS, updated hourly.

Nearby

Akebonochō · 0.6 km Namikichō · 0.7 km Bunkyōchō · 1.1 km Hakuyōchō · 1.2 km Hikarino · 1.3 km Shunkōchō · 1.5 km

Tools for Koizumi

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Koizumi weather

Will it rain in Koizumi today?

No rain is in the forecast for Koizumi today.

What is the temperature in Koizumi right now?

It is 15° in Koizumi right now. Today runs between a low of 14° and a high of 26°.

What time is sunrise and sunset in Koizumi?

The sun rises at 04:55 and sets at 17:48 local time in Koizumi today, giving 12h 53m of daylight.

What is the air quality in Koizumi?

PM2.5 in Koizumi is currently 35.5 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 Koizumi 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 Koizumi 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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