🇯🇵 Weather in Muroran
Map Overlays:
Hourly Forecast for Muroran
08:00
19°
87%
09:00
19°
92%
10:00
19°
92%
11:00
19°
92%
12:00
19°
81%
13:00
19°
68%
14:00
19°
46%
15:00
19°
52%
16:00
19°
49%
17:00
19°
50%
18:00
19°
60%
19:00
19°
73%
20:00
19°
72%
21:00
19°
53%
22:00
19°
58%
23:00
19°
50%
00:00
19°
52%
01:00
18°
46%
02:00
18°
45%
03:00
18°
32%
04:00
18°
28%
05:00
18°
24%
06:00
19°
18%
07:00
20°
16%
14-Day Forecast for Muroran
2026-07-22
Light drizzle
19° /
18°
2026-07-23
Partly Cloudy
22° /
18°
2026-07-24
Patchy rain nearby
19° /
17°
2026-07-25
Patchy rain nearby
18° /
16°
2026-07-26
Patchy rain nearby
19° /
15°
2026-07-27
Patchy rain nearby
20° /
15°
2026-07-28
Mist
21° /
18°
Additional Forecasts for Muroran
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 123.0 μg/m³
O₃ (Ozone) 30.0 μg/m³
NO₂ (Nitrogen Dioxide) 5.6 μg/m³
SO₂ (Sulphur Dioxide) 0.4 μg/m³
PM2.5 (Fine particles) 1.8 μg/m³
PM10 (Coarse particles) 2.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Muroran — FAQ
Answers refreshed each request based on current conditions in Muroran.
What is the weather like right now in Muroran?
Right now in Muroran, Japan the temperature is 21.1°C (feels like 21.1°C), with moderate rain. Relative humidity is 94% and wind is 5.0 km/h.
What is today's high and low temperature in Muroran?
Today's forecast high in Muroran is 19.3°C and the overnight low is 18.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Muroran today?
The chance of precipitation in Muroran today is 92%. 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 Muroran differ from nearby cities?
Even short distances can change temperatures noticeably. Muroran'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.