🇯🇵 Weather in Muroran
Current Weather in Muroran
16°C
Feels like 16°C. Fog.
🌬️ 11 km/h E
💧 94% Humidity
🧭 1013 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 1.7
🌡️ Dew Point: 13°C
🌅 Sunrise: 03:58 AM
🌇 Sunset: 07:15 PM
Map Overlays:
Hourly Forecast for Muroran
10:00
18°
8%
11:00
18°
8%
12:00
18°
8%
13:00
18°
16%
14:00
18°
20%
15:00
17°
24%
16:00
16°
25%
17:00
16°
29%
18:00
15°
25%
19:00
14°
33%
20:00
14°
35%
21:00
15°
35%
22:00
15°
36%
23:00
15°
37%
00:00
15°
40%
01:00
15°
39%
02:00
15°
39%
03:00
15°
44%
04:00
15°
42%
05:00
15°
50%
06:00
15°
54%
07:00
16°
54%
08:00
16°
52%
09:00
16°
51%
14-Day Forecast for Muroran
Thu, Jun 18
Patchy rain nearby
18° /
13°
Fri, Jun 19
Patchy rain nearby
17° /
12°
Sat, Jun 20
Patchy rain nearby
17° /
12°
Sun, Jun 21
Patchy rain nearby
13° /
12°
Mon, Jun 22
Partly Cloudy
14° /
12°
Tue, Jun 23
Partly Cloudy
14° /
11°
Wed, Jun 24
Partly Cloudy
14° /
10°
Thu, Jun 25
Patchy rain nearby
14° /
12°
Fri, Jun 26
Patchy rain nearby
16° /
13°
Sat, Jun 27
Patchy rain nearby
18° /
14°
Sun, Jun 28
Patchy rain nearby
18° /
14°
Mon, Jun 29
Sunny
19° /
13°
Tue, Jun 30
Overcast
19° /
15°
Wed, Jul 01
Heavy rain
17° /
16°
Additional Forecasts for Muroran
Marine Forecast
Tide Forecast
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 139.0
μg/m³
O₃ (Ozone) 102.0
μg/m³
NO₂ (Nitrogen Dioxide) 2.6 μg/m³
SO₂ (Sulphur Dioxide) 1.9
μg/m³
PM2.5 (Fine particles) 7.8 μg/m³
PM10 (Coarse particles) 10.5 μg/m³
Local Sports Events
Historical Weather
Weather Forecasts for Other Cities in Japan
FAQ — Weather in Muroran
Common questions about this page — answers customized for the data shown above.
The current weather in Muroran is fog with a temperature of 16°C. Humidity is at 94% and wind speed is 11 km/h. Browse weather for other cities for comparison.
Tomorrow's forecast for Muroran shows patchy rain nearby with a high of 17°C and a low of 12°C. There is a 73% chance of rain. Tomorrow’s sunrise and sunset times for Muroran are also available.
Over the next 7 days in Muroran, temperatures are forecast to range from a low of 10°C to a high of 18°C. The 7-day forecast table above shows day-by-day conditions, precipitation probability and hourly breakdowns. For weather in nearby cities, see Japan city pages.
Based on the latest forecast, rain is likely in Muroran on Friday and Sunday (50%+ chance of precipitation). The hourly forecast above gives more precise timing for any showers expected in the next 24 hours.
Thursday is forecast to be the warmest day in Muroran this week, with a high of 18°C and patchy rain nearby conditions expected.
Muroran sits at approximately 42.3° north latitude, which generally produces a temperate climate with four distinct seasons — warm summers, cold winters, and pronounced spring and autumn transitions. Local geography (coast vs. inland, altitude, prevailing winds) shapes the specific weather patterns shown in the forecast above.
Climatically, the best time to visit Muroran is generally late spring (May–June) and early autumn (September–October) in the Northern Hemisphere — pleasant temperatures and longer daylight. Exact timing depends on what you're after — fewer crowds, specific events, lowest rainfall, or warmest weather. Check the forecast above before planning a short trip.
In the Northern Hemisphere, summer falls in June–August and winter in December–February. Spring runs March–May and autumn runs September–November. Muroran follows this Northern/Southern Hemisphere pattern based on its latitude. See the sun page for exact daylight hours through the year.


