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Weather in Yamaguchi, Japan 🇯🇵

Current Weather in Yamaguchi

Light rain
21°C
Feels like 21°C. Light rain.
🌬️ 9 km/h ESE
💧 94% Humidity
🧭 1006 hPa
👁️ 5.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 19°C
🌅 Sunrise: 05:03 AM
🌇 Sunset: 07:29 PM
Map Overlays:

In Yamaguchi right now it is 21°C and light rain, feeling like 21°C. Humidity is 94% with winds around 9 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Yamaguchi range from about 17°C to 25°C.

Hourly Forecast for Yamaguchi

02:00
Moderate rain
20°
92%
03:00
Light rain
20°
79%
04:00
Light rain
20°
80%
05:00
Light drizzle
19°
75%
06:00
Light drizzle
20°
57%
07:00
Light rain
20°
78%
08:00
Light rain
20°
83%
09:00
Fog
21°
50%
10:00
Fog
22°
50%
11:00
Light drizzle
22°
62%
12:00
Fog
22°
49%
13:00
Mist
23°
50%
14:00
Light rain shower
23°
57%
15:00
Light rain
23°
78%
16:00
Light rain
22°
86%
17:00
Light rain
22°
84%
18:00
Light rain shower
22°
78%
19:00
Moderate rain
21°
92%
20:00
Moderate rain
21°
93%
21:00
Moderate rain
21°
93%
22:00
Heavy rain
21°
95%
23:00
Heavy rain
21°
95%
00:00
Heavy rain
21°
94%
01:00
Moderate rain
21°
91%

14-Day Forecast for Yamaguchi

Thu, Jun 25
Heavy rain Heavy rain
23° / 19°
Fri, Jun 26
Heavy rain Heavy rain
20° / 18°
Sat, Jun 27
Patchy rain nearby Patchy rain nearby
25° / 17°
Sun, Jun 28
Patchy rain nearby Patchy rain nearby
25° / 18°
Mon, Jun 29
Patchy rain nearby Patchy rain nearby
27° / 17°
Tue, Jun 30
Patchy rain nearby Patchy rain nearby
26° / 18°
Wed, Jul 01
Patchy rain nearby Patchy rain nearby
24° / 20°
Thu, Jul 02
Sunny Sunny
28° / 18°
Fri, Jul 03
Patchy rain nearby Patchy rain nearby
26° / 17°
Sat, Jul 04
Patchy rain nearby Patchy rain nearby
28° / 21°
Sun, Jul 05
Patchy rain nearby Patchy rain nearby
29° / 20°
Mon, Jul 06
Partly Cloudy Partly Cloudy
31° / 20°
Tue, Jul 07
Sunny Sunny
31° / 20°
Wed, Jul 08
Partly Cloudy Partly Cloudy
27° / 21°

Additional Forecasts for Yamaguchi

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 167.0 μg/m³
O₃ (Ozone) 42.0 μg/m³
NO₂ (Nitrogen Dioxide) 23.5 μg/m³
SO₂ (Sulphur Dioxide) 5.3 μg/m³
PM2.5 (Fine particles) 1.9 μg/m³
PM10 (Coarse particles) 1.9 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Japan

Browse Weather in Japan by cities in alphabetical order:

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Best Time to Be Outside in Yamaguchi Today

The most comfortable window in Yamaguchi today looks like 09:00 to 11:00, when it is around 21°C. The next likely rain is around 02:00.

Frequently Asked Questions about Weather in Yamaguchi

What is the temperature in Yamaguchi right now?

The current temperature in Yamaguchi is 21°C (71°F), light rain (feels like 21°C).

What's the weather like in Yamaguchi right now?

Conditions in Yamaguchi right now: Light rain, humidity 94%, wind 9 km/h ESE.

What is today's forecast for Yamaguchi?

Today in Yamaguchi: high 23°C, low 19°C, heavy rain. Chance of rain: 95%.

What is the 7-day weather forecast for Yamaguchi?

Daily highs and lows for Yamaguchi:

  • 2026-06-25: 23°C / 19°C
  • 2026-06-26: 20°C / 18°C
  • 2026-06-27: 25°C / 17°C
  • 2026-06-28: 25°C / 18°C
  • 2026-06-29: 27°C / 17°C
  • 2026-06-30: 26°C / 18°C
  • 2026-07-01: 24°C / 20°C
Is it going to rain in Yamaguchi today?

There is a 95% chance of rain in Yamaguchi today. Total expected precipitation: 80.56 mm.

What is the wind speed in Yamaguchi right now?

Wind in Yamaguchi is currently 9 km/h (6 mph) from the ESE.

What is the UV index in Yamaguchi right now?

The UV index in Yamaguchi is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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