Weather forecast for todayIrumagawa, Japan

Weather forecast for today

Current condition 03:25 JST

  • 18°C
  • Feels like:
    18°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 2km/hN 0°
  • Humidity: 81%
  • Dewpoint: 15°C
  • Pressure: 1017.95mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
At the moment, in Irumagawa, the sky is partially covered with clouds, offering glimpses of blue.
The temperature is a breezy 18°C. The current temperature is near the lowest anticipated 19°C for today.

Tuesday 20. Oct 2026

  • 26°C
  • 19°C
Showers
Showers
  • Precip. probability: 53%
  • Precipitation: 1mm
  • Wind: 9km/hN 3°
  • Humidity: 71%
  • UV index: 3
  • Sunrise: 05:53 JST
  • Sunset: 17:01 JST
  • ▼
Today, on Tuesday, October 20, showers are expected, with occasional breaks in the rain throughout the day.
Minimal precipitation is anticipated. The highest temperature will be a warm 26°C, while the lowest temperature will be a comfortable 19°C.
The forecast high of 26°C aligns more closely with September's typical high of 27.4°C than with October's usual 21.5°C.
Sunrise will be at 05:53 and sunset at 17:01; the daylight will last for 11h and 8min.

Hourly overview

Hourly temperatures

Warmest period: 14h - 16h 27°C.
Coldest period: 4h - 6h 18°C.

Chance of precipitation

Highest chance: 14h 47%.

Hourly weather forecast

  • 4h
  • 18°C
  • Feels like:
    18°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0mm
  • Wind: 1km/hNW 316°
  • Humidity: 82%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:53
  • 6h
  • 18°C
  • Feels like:
    18°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 2km/hNW 316°
  • Humidity: 81%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 5km/hN 5°
  • Humidity: 71%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 10h
  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 6km/hNNE 13°
  • Humidity: 63%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 12h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 18°
  • Humidity: 64%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 14h
  • 25°C
  • Feels like:
    27°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 7km/hNE 34°
  • Humidity: 63%
  • Pressure: 1016mbar
  • Visibility: 11km
  • UV index: 2
  • ▼
  • 16h
  • 25°C
  • Feels like:
    27°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 9km/hNE 35°
  • Humidity: 64%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:01
  • 18h
  • 23°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 8km/hNNE 13°
  • Humidity: 72%
  • Pressure: 1017mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 22°C
  • Feels like:
    22°C
Cloudy
Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 7km/hNNE 20°
  • Humidity: 80%
  • Pressure: 1018mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 22h
  • 21°C
  • Feels like:
    22°C
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 6km/hN 5°
  • Humidity: 86%
  • Pressure: 1018mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Today, in Irumagawa, primarily cloud-filled and occasionally wet weather is predicted.
With minimal precipitation of 1mm, rainfall is expected at 14h, and from 21h to 23h.
The temperature will vary between a minimum of 18°C and a maximum of 25°C. The warmest part of the day will be from 12h to 16h.
The day’s peak temperature will reflect September's norm of 27.4°C more than October's 21.5°C. The minimum temperature will be also more consistent with September's average low of 20.5°C than October's typical value of 15.2°C.
Updated: Oct 19, 2026 @ 18:25:27 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (03:25 JST) is 18°C.

On Tuesday, expect light rain showers throughout the day, with a break in the rain later in the day.

There is a high chance of rainfall, but precipitation will be minimal.

Today, the highest temperature will be 26°C, while the lowest temperature will be 19°C.
The highest temperature will be moderately higher than the average maximum of 21.5°C in October. The lowest temperature will be also a couple of degrees higher than the average low of 15.2°C.

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

In Irumagawa, today, there will be 11h and 8min of daylight.