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Weather in Iwanuma, Japan 🇯🇵

Current Weather in Iwanuma

Overcast
25°C
Feels like 28°C. Overcast.
🌬️ 4 km/h W
💧 81% Humidity
🧭 1010 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 21°C
🌅 Sunrise: 05:00 AM
🌇 Sunset: 06:16 PM
Map Overlays:

Iwanuma currently sits at 25°C, overcast, feeling like 28°C. Relative humidity is 81%, with winds around 4 km/h, and the UV index is 0 (low). The next few days in Iwanuma look set for about 22°C up to 31°C.

Hourly Forecast for Iwanuma

05:00
Overcast
24°
24%
06:00
Cloudy
25°
20%
07:00
Sunny
26°
7%
08:00
Sunny
27°
5%
09:00
Sunny
28°
4%
10:00
Sunny
30°
3%
11:00
Sunny
30°
3%
12:00
Sunny
31°
4%
13:00
Sunny
31°
4%
14:00
Sunny
31°
3%
15:00
Patchy rain nearby
31°
22%
16:00
Light rain shower
30°
36%
17:00
Light rain shower
30°
25%
18:00
Overcast
29°
17%
19:00
Overcast
28°
18%
20:00
Patchy rain nearby
28°
29%
21:00
Patchy rain nearby
27°
29%
22:00
Clear
28°
4%
23:00
Clear
28°
5%
00:00
Clear
26°
8%
01:00
Overcast
26°
19%
02:00
Cloudy
26°
15%
03:00
Overcast
26°
21%
04:00
Overcast
25°
22%

14-Day Forecast for Iwanuma

Tue, Aug 25
Sunny Sunny
31° / 24°
Wed, Aug 26
Overcast Overcast
26° / 23°
Thu, Aug 27
Overcast Overcast
25° / 22°
Fri, Aug 28
Overcast Overcast
30° / 21°
Sat, Aug 29
Overcast Overcast
25° / 21°
Sun, Aug 30
Patchy rain nearby Patchy rain nearby
24° / 21°
Mon, Aug 31
Overcast Overcast
28° / 23°
Tue, Sep 01
Light rain shower Light rain shower
22° / 21°
Wed, Sep 02
Patchy rain nearby Patchy rain nearby
23° / 21°
Thu, Sep 03
Light rain shower Light rain shower
24° / 22°
Fri, Sep 04
Patchy rain nearby Patchy rain nearby
22° / 21°
Sat, Sep 05
Light rain shower Light rain shower
23° / 21°
Sun, Sep 06
Light rain shower Light rain shower
26° / 23°
Mon, Sep 07
Patchy rain nearby Patchy rain nearby
26° / 24°

Additional Forecasts for Iwanuma

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 255.0 μg/m³
O₃ (Ozone) 13.0 μg/m³
NO₂ (Nitrogen Dioxide) 12.2 μg/m³
SO₂ (Sulphur Dioxide) 3.1 μg/m³
PM2.5 (Fine particles) 12.7 μg/m³
PM10 (Coarse particles) 12.9 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Japan

Browse Weather in Japan by cities in alphabetical order:

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Weather in Japan ›

Best Time to Be Outside in Iwanuma Today

The most comfortable window in Iwanuma today looks like 07:00 to 10:00, when it is around 27°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Iwanuma

What is the temperature in Iwanuma right now?

The current temperature in Iwanuma is 25°C (76°F), overcast (feels like 28°C).

What's the weather like in Iwanuma right now?

Current weather in Iwanuma: Overcast, humidity 81%, wind 4 km/h W.

What is today's forecast for Iwanuma?

Today in Iwanuma: high 31°C, low 24°C, sunny. Chance of rain: 57%.

What is the 7-day weather forecast for Iwanuma?

Daily highs and lows for Iwanuma:

  • 2026-08-25: 31°C / 24°C
  • 2026-08-26: 26°C / 23°C
  • 2026-08-27: 25°C / 22°C
  • 2026-08-28: 30°C / 21°C
  • 2026-08-29: 25°C / 21°C
  • 2026-08-30: 24°C / 21°C
  • 2026-08-31: 28°C / 23°C
Is it going to rain in Iwanuma today?

There is a 57% chance of rain in Iwanuma today. Total expected precipitation: 1.21 mm.

What is the wind speed in Iwanuma right now?

Wind in Iwanuma is currently 4 km/h (3 mph) from the W.

What is the UV index in Iwanuma right now?

The UV index in Iwanuma is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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