Cities / Japan / Chiba

25°

☁️ Koizumi-nanbu weather

Overcast. No rain expected in the next few hours.

Feels like 26° Wind 16 km/h NE Humidity 77% UV 4 Air Good 05:09 - 18:08

Right now it is 25° in Koizumi-nanbu with overcast skies and today's high is 28° with an overnight low of 24°. The sun rises at 05:09 and sets at 18:08, giving 12h 59m of daylight. Over the coming week highs range from 23° to 32°.

Koizumi-nanbu is in Chiba, Japan, sitting 1 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

23° 26° 28° 28° 23° 19:00 · 24.5° · 0 mm 20:00 · 24.5° · 0 mm 21:00 · 24.3° · 0 mm 22:00 · 24.1° · 0 mm 23:00 · 23.9° · 0 mm 00:00 · 23.7° · 0 mm 01:00 · 23.6° · 0 mm 02:00 · 23.5° · 0 mm 03:00 · 23.4° · 0 mm 04:00 · 23.3° · 0 mm 05:00 · 23.3° · 0 mm 06:00 · 23.6° · 0 mm 07:00 · 24.5° · 0 mm 08:00 · 25.9° · 0 mm 09:00 · 26.9° · 0 mm 10:00 · 27.4° · 0 mm 11:00 · 27° · 0 mm 12:00 · 27.4° · 0 mm 13:00 · 27.5° · 0 mm 14:00 · 26.7° · 0 mm 15:00 · 27.2° · 0 mm 16:00 · 26.8° · 0 mm 17:00 · 25.9° · 0 mm 18:00 · 24.8° · 0 mm

Precipitation

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 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

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
19:00 ☁️ 24.5° 25.1° - Overcast
20:00 ☁️ 24.5° 25.1° - Overcast
21:00 ☁️ 24.3° 25° - Overcast
22:00 24.1° 24.8° - Partly cloudy
23:00 23.9° 24.7° - Partly cloudy
00:00 23.7° 24.6° - Partly cloudy
01:00 23.6° 24.5° - Partly cloudy
02:00 🌤️ 23.5° 24.7° - Mostly clear
03:00 23.4° 24.9° - Partly cloudy
04:00 23.3° 24.8° - Partly cloudy
05:00 23.3° 24.7° - Partly cloudy
06:00 ☁️ 23.6° 25.2° - Overcast

Next 16 days

☁️ TodayAugust 31st Avg 25° Low 24° at 02:00 High 28° at 13:00 Wind ~20 km/h
Cloudy
00:00 24°
02:00 24°
04:00 24°
06:00 24°
08:00 25°
10:00 26°
12:00 27°
14:00 27°
16:00 26°
18:00 25°
20:00 25°
22:00 24°
TuesdaySeptember 1st Avg 25° Low 23° at 04:00 High 28° at 13:00 Wind ~16 km/h
Partly Cloudy Partly Cloudy Clear
00:00 24°
02:00 24°
04:00 23°
06:00 24°
08:00 26°
10:00 27°
12:00 27°
14:00 27°
16:00 27°
18:00 25°
20:00 25°
22:00 24°
☁️ WednesdaySeptember 2nd Avg 26° Low 23° at 05:00 High 30° at 11:00 Wind ~16 km/h
Clear Cloudy
00:00 24°
02:00 23°
04:00 23°
06:00 23°
08:00 26°
10:00 29°
12:00 30°
14:00 29°
16:00 28°
18:00 26°
20:00 25°
22:00 25°
🌧️ ThursdaySeptember 3rd Avg 28° Low 23° at 23:00 High 32° at 13:00 3.9 mm rain Wind ~21 km/h
Cloudy Rain Cloudy Rain
00:00 25°
02:00 25°
04:00 25°
06:00 25°
08:00 26° 0.6mm
10:00 30° 0.4mm
12:00 32°
14:00 32°
16:00 31°
18:00 29°
20:00 27° 0.1mm
22:00 24° 0.4mm
🌧️ FridaySeptember 4th Avg 22° Low 19° at 19:00 High 24° at 01:00 34.5 mm rain Wind ~22 km/h
Rain Rain
00:00 24°
02:00 23° 0.2mm
04:00 23° 0.3mm
06:00 22° 0.6mm
08:00 23°
10:00 22° 0.9mm
12:00 23° 0.1mm
14:00 22° 1.7mm
16:00 20° 9.1mm
18:00 20° 2.1mm
20:00 20° 0.9mm
22:00 19° 0.4mm
🌧️ SaturdaySeptember 5th Avg 22° Low 20° at 00:00 High 23° at 15:00 36.2 mm rain Wind ~24 km/h
Rain Cloudy
00:00 20° 4.6mm
02:00 20° 4.3mm
04:00 20° 4.1mm
06:00 20° 2.8mm
08:00 21° 0.3mm
10:00 22° 0.2mm
12:00 22° 0.2mm
14:00 23°
16:00 23°
18:00 23°
20:00 23°
22:00 23° 0.1mm
🌦️ SundaySeptember 6th Avg 24° Low 22° at 04:00 High 27° at 12:00 1.6 mm rain Feels 24° Wind ~30 km/h
Rain Clear
00:00 23° 0.1mm
02:00 22° 0.1mm
04:00 22° 0.1mm
06:00 22° 0.1mm
08:00 24° 0.2mm
10:00 26° 0.1mm
12:00 27° 0.1mm
14:00 27°
16:00 26°
18:00 24°
20:00 23°
22:00 23°
☁️ MondaySeptember 7th Avg 23° Low 22° at 23:00 High 25° at 12:00 Feels 23° Wind ~28 km/h
Cloudy Clear
00:00 23°
02:00 22°
04:00 22°
06:00 23°
08:00 23°
10:00 24°
12:00 25°
14:00 25°
16:00 24°
18:00 23°
20:00 23°
22:00 22°
☁️ TuesdaySeptember 8th Avg 23° Low 20° at 05:00 High 27° at 12:00 Wind ~19 km/h
Clear Cloudy Partly Cloudy
00:00 22°
02:00 21°
04:00 20°
06:00 20°
08:00 23°
10:00 25°
12:00 27°
14:00 26°
16:00 25°
18:00 24°
20:00 24°
22:00 24°
🌦️ WednesdaySeptember 9th Avg 24° Low 22° at 06:00 High 26° at 12:00 2.2 mm rain Wind ~17 km/h
Rain Cloudy
00:00 23°
02:00 23° 0.1mm
04:00 22° 0.4mm
06:00 22° 0.4mm
08:00 22° 0.1mm
10:00 24°
12:00 26°
14:00 25°
16:00 24°
18:00 24°
20:00 24°
22:00 24° 0.2mm
🌧️ ThursdaySeptember 10th Avg 26° Low 24° at 02:00 High 28° at 15:00 19.3 mm rain Wind ~28 km/h
Rain Cloudy
00:00 24° 0.2mm
02:00 24° 1.1mm
04:00 25° 1.5mm
06:00 26° 1.5mm
08:00 26° 1.3mm
10:00 26° 2.1mm
12:00 26° 2.1mm
14:00 28° 0.3mm
16:00 28°
18:00 28°
20:00 27°
22:00 27° 0.1mm
☁️ FridaySeptember 11th Avg 28° Low 27° at 23:00 High 30° at 14:00 0.4 mm rain Wind ~28 km/h
Cloudy Partly Cloudy Rain Cloudy
00:00 27° 0.1mm
02:00 27°
04:00 27°
06:00 27°
08:00 29°
10:00 30° 0.1mm
12:00 30° 0.1mm
14:00 30°
16:00 29°
18:00 28°
20:00 27°
22:00 27°
☀️ SaturdaySeptember 12th Avg 28° Low 25° at 23:00 High 32° at 12:00 Wind ~19 km/h
Cloudy Clear
00:00 26°
02:00 26°
04:00 26°
06:00 26°
08:00 29°
10:00 31°
12:00 32°
14:00 31°
16:00 29°
18:00 27°
20:00 26°
22:00 25°
🌦️ SundaySeptember 13th Avg 27° Low 25° at 01:00 High 31° at 12:00 1.9 mm rain Wind ~16 km/h
Clear Rain Clear
00:00 25°
02:00 25°
04:00 25°
06:00 25°
08:00 28°
10:00 30°
12:00 31°
14:00 30°
16:00 29° 0.1mm
18:00 27° 0.1mm
20:00 26°
22:00 26° 0.8mm
🌦️ MondaySeptember 14th Avg 27° Low 25° at 05:00 High 31° at 12:00 3.8 mm rain Feels 33° Wind ~16 km/h
Rain Clear Cloudy
00:00 25° 0.8mm
02:00 25° 0.2mm
04:00 25° 0.6mm
06:00 25° 0.6mm
08:00 27° 0.2mm
10:00 30°
12:00 31°
14:00 31°
16:00 29°
18:00 28°
20:00 27°
22:00 26°
TuesdaySeptember 15th Avg 28° Low 25° at 04:00 High 31° at 13:00 0.3 mm rain Feels 33° Wind ~20 km/h
Clear Rain Partly Cloudy
00:00 26°
02:00 26°
04:00 25°
06:00 26°
08:00 29° 0.1mm
10:00 30°
12:00 31°
14:00 31°
16:00 30°
18:00 27°
20:00 27°
22:00 26°

Sun

☀️ Sunrise 05:09 · Sunset 18:08

12h 59m of daylight · Asia/Tokyo

Air quality

PM2.5 4.3 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for Koizumi-nanbu

Common questions about Koizumi-nanbu weather

Will it rain in Koizumi-nanbu today?

No rain is in the forecast for Koizumi-nanbu today.

What is the temperature in Koizumi-nanbu right now?

It is 25° in Koizumi-nanbu right now. Today runs between a low of 24° and a high of 28°.

What time is sunrise and sunset in Koizumi-nanbu?

The sun rises at 05:09 and sets at 18:08 local time in Koizumi-nanbu today, giving 12h 59m of daylight.

What is the air quality in Koizumi-nanbu?

PM2.5 in Koizumi-nanbu is currently 4.3 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Koizumi-nanbu 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-nanbu 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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