🇯🇵 Weather in Yamaguchi
Map Overlays:
Hourly Forecast for Yamaguchi
23:00
24°
18%
00:00
23°
22%
01:00
23°
24%
02:00
23°
27%
03:00
23°
42%
04:00
23°
42%
05:00
23°
42%
06:00
24°
55%
07:00
26°
47%
08:00
27°
32%
09:00
28°
53%
10:00
29°
23%
11:00
30°
45%
12:00
31°
19%
13:00
31°
39%
14:00
30°
37%
15:00
30°
36%
16:00
29°
46%
17:00
29°
46%
18:00
28°
47%
19:00
26°
16%
20:00
24°
17%
21:00
24°
19%
22:00
23°
18%
14-Day Forecast for Yamaguchi
2026-07-19
Patchy rain nearby
31° /
24°
2026-07-20
Patchy rain nearby
31° /
23°
2026-07-21
Sunny
33° /
21°
2026-07-22
Sunny
32° /
22°
2026-07-23
Sunny
32° /
21°
2026-07-24
Sunny
32° /
21°
2026-07-25
Sunny
32° /
22°
Additional Forecasts for Yamaguchi
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 121.0 μg/m³
O₃ (Ozone) 75.0 μg/m³
NO₂ (Nitrogen Dioxide) 8.5 μg/m³
SO₂ (Sulphur Dioxide) 8.1 μg/m³
PM2.5 (Fine particles) 15.3 μg/m³
PM10 (Coarse particles) 16.7 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Yamaguchi — FAQ
Answers refreshed each request based on current conditions in Yamaguchi.
What is the weather like right now in Yamaguchi?
Right now in Yamaguchi, Japan the temperature is 28.2°C (feels like 35.0°C), with partly cloudy. Relative humidity is 94% and wind is 6.8 km/h.
What is today's high and low temperature in Yamaguchi?
Today's forecast high in Yamaguchi is 30.9°C and the overnight low is 23.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Yamaguchi today?
The chance of precipitation in Yamaguchi today is 30%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Yamaguchi differ from nearby cities?
Even short distances can change temperatures noticeably. Yamaguchi's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.