Live Weather & Forecast
Weather in Iwanuma
Miyagi, Japan · Real-time conditions & 3-day outlook
12°C
Feels like 12°C
54°F / Feels 54°F
Partly cloudy
Iwanuma, Miyagi
🌙 Nighttime
Updated: 2026-04-15 20:00
Humidity
94%
Wind
5.4 km/h NE
Wind Gust
8.1 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
10.3°C
Wind Degree
45°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
210.9 μg/m³
NO₂
5.2 μg/m³
O₃
108 μg/m³
SO₂
7.4 μg/m³
PM 2.5
9.3 μg/m³
PM 10
13.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for Iwanuma, Miyagi
12 AM
10°
Overcast
1 AM
10°
Overcast
2 AM
10°
Cloudy
3 AM
10°
Overcast
4 AM
10°
Cloudy
5 AM
10°
Cloudy
6 AM
10°
Partly Cloudy
7 AM
11°
Partly Cloudy
8 AM
12°
Partly Cloudy
9 AM
13°
Partly Cloudy
10 AM
14°
Partly Cloudy
11 AM
14°
Overcast
12 PM
14°
Overcast
1 PM
14°
Cloudy
2 PM
14°
Sunny
3 PM
14°
Partly Cloudy
4 PM
13°
Partly Cloudy
5 PM
13°
Partly Cloudy
6 PM
12°
Cloudy
7 PM
12°
Overcast
8 PM
12°
Partly cloudy
9 PM
12°
Patchy rain nearby
10 PM
12°
Patchy rain nearby
11 PM
12°
Patchy rain nearby
3-Day Forecast
Daily overview for Iwanuma, Miyagi
Today
Patchy rain nearby
14°
/
10°
🌧️ 95% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 12.2 km/h
🌧️ Total precip: 0.31 mm
☀️ UV Index: 1.5
🌅 Sunrise: 05:02 AM
🌇 Sunset: 06:12 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
12°
/
7°
🌧️ 95% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 3.87 mm
☀️ UV Index: 0.9
🌅 Sunrise: 05:00 AM
🌇 Sunset: 06:13 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
12°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 66%
💨 Max wind: 16.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 1.8
🌅 Sunrise: 04:59 AM
🌇 Sunset: 06:14 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Iwanuma
Plan your trip to Iwanuma, Japan around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Iwanuma?
Current conditions in Iwanuma: Partly cloudy, temperature 12°C, humidity 94%.
What is the best time to visit Iwanuma?
The best time to visit Iwanuma is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Iwanuma?
Iwanuma is located at approximately 38.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Iwanuma?
The wettest period in Iwanuma is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Iwanuma?
For visits to Iwanuma during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Iwanuma in 2026?
View the 2026 public holidays for Iwanuma on our Holidays page.
What are the GPS coordinates used for the weather forecast in Iwanuma?
The weather forecast for Iwanuma uses coordinates 38.1043, 140.8701.