🇯🇵 Weather in Iwakuni
Map Overlays:
Hourly Forecast for Iwakuni
00:00
19°
11%
01:00
19°
11%
02:00
19°
13%
03:00
19°
73%
04:00
19°
76%
05:00
19°
91%
06:00
19°
92%
07:00
19°
93%
08:00
19°
92%
09:00
19°
84%
10:00
19°
88%
11:00
19°
88%
12:00
19°
85%
13:00
19°
92%
14:00
19°
94%
15:00
19°
89%
16:00
19°
82%
17:00
19°
73%
18:00
19°
73%
19:00
18°
30%
20:00
18°
15%
21:00
18°
19%
22:00
18°
25%
23:00
18°
31%
14-Day Forecast for Iwakuni
2026-06-06
Patchy rain nearby
24° /
18°
2026-06-07
Moderate rain
19° /
18°
2026-06-08
Patchy rain nearby
22° /
16°
2026-06-09
Sunny
23° /
14°
2026-06-10
Partly Cloudy
24° /
17°
2026-06-11
Sunny
25° /
16°
2026-06-12
Partly Cloudy
23° /
16°
Additional Forecasts for Iwakuni
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 292.0 μg/m³
O₃ (Ozone) 44.0 μg/m³
NO₂ (Nitrogen Dioxide) 18.1 μg/m³
SO₂ (Sulphur Dioxide) 3.8 μg/m³
PM2.5 (Fine particles) 13.0 μg/m³
PM10 (Coarse particles) 16.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Iwakuni — FAQ
Answers refreshed each request based on current conditions in Iwakuni.
What is the weather like right now in Iwakuni?
Right now in Iwakuni, Japan the temperature is 22.8°C (feels like 25.1°C), with partly cloudy. Relative humidity is 81% and wind is 3.6 km/h.
What is today's high and low temperature in Iwakuni?
Today's forecast high in Iwakuni is 23.7°C and the overnight low is 18.5°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Iwakuni today?
The chance of precipitation in Iwakuni today is 88%. 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 Iwakuni differ from nearby cities?
Even short distances can change temperatures noticeably. Iwakuni'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.