Weather forecast for todayIrumagawa, Japan

Weather forecast for today

Current condition 06:32 JST

  • 18°C
  • Feels like:
    18°C
Mostly Cloudy
Mostly Cloudy
  • Precipitation: 0mm
  • Wind: 2km/hN 10°
  • Humidity: 84%
  • Dewpoint: 15°C
  • Pressure: 1018.29mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
In Irumagawa, at the moment, thick clouds are covering most of the sky, keeping conditions mostly cloudy.
The temperature is a comfortable 18°C. The current temperature is almost at the minimum-predicted 19°C for today.

Tuesday 20. Oct 2026

  • 26°C
  • 19°C
AM Rain
AM Rain
  • Precip. probability: 69%
  • Precipitation: 4mm
  • Wind: 10km/hN 10°
  • Humidity: 68%
  • UV index: 3
  • Sunrise: 05:53 JST
  • Sunset: 17:01 JST
  • ▼
On Tuesday, in Irumagawa, rainfall will make for a damp morning before tapering off.
The likelihood of rain for today is high. However, precipitation will be light. Temperatures will oscillate between a moderately hot 26°C at their highest and a breezy 19°C at their lowest.
The expected high of 26°C appears seasonally off, better matching September's typical values.
Sunrise was at 05:53 and sunset will be at 17:01; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest hour: 15h 27°C.
Coldest hour: 7h 18°C.

Chance of precipitation

Highest chance: 9h 78%.

Hourly weather forecast

  • 7h
  • 18°C
  • Feels like:
    18°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 2km/hNW 316°
  • Humidity: 83%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 20°C
  • Feels like:
    20°C
Showers
Showers
  • Precip. probability: 58%
  • Precipitation: 1mm
  • Wind: 4km/hN 7°
  • Humidity: 77%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 9h
  • 21°C
  • Feels like:
    21°C
Light Rain
Light Rain
  • Precip. probability: 78%
  • Precipitation: 1mm
  • Wind: 4km/hNNE 21°
  • Humidity: 70%
  • Pressure: 1018mbar
  • Visibility: 11km
  • UV index: 3
  • ▼
  • 10h
  • 23°C
  • Feels like:
    23°C
Rain
Rain
  • Precip. probability: 89%
  • Precipitation: 2mm
  • Wind: 5km/hNNE 14°
  • Humidity: 65%
  • Pressure: 1017mbar
  • Visibility: 8km
  • UV index: 1
  • ▼
  • 11h
  • 24°C
  • Feels like:
    24°C
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 0mm
  • Wind: 7km/hN 5°
  • Humidity: 64%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 12h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 17%
  • Precipitation: 0mm
  • Wind: 7km/hN 10°
  • Humidity: 63%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 13h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 8%
  • Precipitation: 0mm
  • Wind: 9km/hN 10°
  • Humidity: 62%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 14h
  • 25°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 9km/hNNE 21°
  • Humidity: 62%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 15h
  • 25°C
  • Feels like:
    27°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 10km/hNNE 33°
  • Humidity: 62%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 16h
  • 25°C
  • Feels like:
    25°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 9km/hNNE 24°
  • Humidity: 62%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 17h
  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 10%
  • Precipitation: 0mm
  • Wind: 9km/hNNE 18°
  • Humidity: 65%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:01
  • 18h
  • 23°C
  • Feels like:
    23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 8km/hN 8°
  • Humidity: 70%
  • Pressure: 1017mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 19h
  • 22°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 7km/hNNW 348°
  • Humidity: 77%
  • Pressure: 1017mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 20h
  • 22°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 6km/hN 353°
  • Humidity: 79%
  • Pressure: 1018mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 21h
  • 21°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Wind: 7km/hN 359°
  • Humidity: 82%
  • Pressure: 1018mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    22°C
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 1mm
  • Wind: 5km/hN 7°
  • Humidity: 85%
  • Pressure: 1018mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 23h
  • 21°C
  • Feels like:
    21°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 5km/hN 358°
  • Humidity: 88%
  • Pressure: 1017mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Today, in Irumagawa, a combination of cloud-filled and wet weather is expected.
Rain is expected from 8h to 10h, and from 21h to 23h. With light precipitation of 2mm, most rainfall is expected at 10h.
The temperature will be between the lowest temperature of 18°C and the highest temperature of 25°C. The warmest part of the day will be from 12h to 16h.
The highest temperature is more consistent with September's average maximum of 27.4°C than October's usual of 21.5°C. The expected low will be also more close to what’s typical in September than in October.
Updated: Oct 19, 2026 @ 21:32:29 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 06:32 JST is 18°C.

Today, in Irumagawa, morning drizzle could linger before drier air moves in.

With a probability of 69%, light precipitation of 4mm is expected in Irumagawa.

Today, the highest temperature will be 26°C, while the lowest temperature will be 19°C.
The maximum temperature will be slightly warmer than the average highest temperature of 21.5°C in October. The lowest temperature will be also slightly warmer than the average low of 15.2°C.

On Tuesday, in Irumagawa, sunrise was at 05:53 and sunset will be at 17:01 (JST).

In Irumagawa, Japan, the length of the day today will be 11h and 8min.