Weather forecast for todayChatan, Japan

Weather forecast for today

Current condition 10:03 JST

  • 29°C
  • Feels like:
    35°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 16km/hENE 70°
  • Humidity: 73%
  • Dewpoint: 24°C
  • Pressure: 1017.61mbar
  • Visibility: 14.48km
  • UV index: 5
  • ▼
In Chatan, currently, high pressure continues to sustain fair conditions across the region.
The temperature is a temperate 29°C, the feels-like temperature, which measures the combined effect of heat and moisture, registers as evaluated at a torrid 35°C. The current temperature is nearly at the maximum of today's 30°C.

Tuesday 20. Oct 2026

  • 30°C
  • 25°C
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 18km/hENE 78°
  • Humidity: 72%
  • UV index: 8
  • Sunrise: 06:30 JST
  • Sunset: 17:57 JST
  • ▼
Today, on Tuesday, October 20, mostly sunny weather is likely, with high visibility.
Minor temperature shifts are anticipated, peaking at a maximum of a humid 30°C and dropping to a minimum of a warm 25°C.
The maximum heat index, which integrates air moisture with ambient temperature, is evaluated at a fiery hot 36°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
With a forecast of 30°C, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 06:30 and sunset will be at 17:57; the daylight will last for 11h and 26min.

Hourly overview

Hourly temperatures

Warmest period: 11h - 13h 36°C.
Coldest period: 19h - 1h 30°C.

Chance of precipitation

Highest chance: 21h - 23h 6%.

Hourly weather forecast

  • 11h
  • 30°C
  • Feels like:
    36°C
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 16km/hENE 74°
  • Humidity: 71%
  • Pressure: 1017mbar
  • Visibility: 15km
  • UV index: 7
  • ▼
  • 12h
  • 30°C
  • Feels like:
    36°C
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 17km/hE 80°
  • Humidity: 69%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 13h
  • 30°C
  • Feels like:
    36°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 17km/hENE 76°
  • Humidity: 68%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 8
  • ▼
  • 14h
  • 30°C
  • Feels like:
    35°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 16km/hENE 74°
  • Humidity: 73%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 15h
  • 30°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 16km/hENE 76°
  • Humidity: 72%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 16h
  • 29°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 17km/hENE 75°
  • Humidity: 72%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 17h
  • 29°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 18km/hENE 78°
  • Humidity: 75%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:57
  • 18h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 17km/hENE 78°
  • Humidity: 79%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 19h
  • 27°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 17km/hENE 72°
  • Humidity: 82%
  • Pressure: 1015mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 16km/hENE 72°
  • Humidity: 84%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 15km/hENE 72°
  • Humidity: 85%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 14km/hENE 73°
  • Humidity: 86%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 26°C
  • Feels like:
    30°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 14km/hENE 69°
  • Humidity: 87%
  • Pressure: 1016mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, primarily overcast and occasionally dry and sunny weather is forecasted.
The temperature will be between a maximum of 30°C and a minimum of 26°C. The feels-like temperature will vary between a minimum of 30°C and a maximum of 36°C. The hottest part of the day will be from 11h to 15h.
The maximum temperature will align more closely with September's average high of 28.6°C than with October's 26.4°C. The temperature low is forecasted to be consistent with the usual October value of 25°C.
Updated: Oct 20, 2026 @ 01:03:21 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 10:03 JST, the temperature is 29°C. Feels-like temperature is 35°C.

Today, a crisp, sunny atmosphere is likely.

Today, the maximum temperature will be 30°C, while the minimum temperature will be 25°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at 36°C.
The highest temperature will be relatively higher than the average maximum of 26.4°C in October. The lowest temperature will be in line with the average low of 25°C.

On Tuesday, in Chatan, sunrise was at 06:30 and sunset will be at 17:57 (JST).

In Chatan, Japan, the length of the day today will be 11h and 26min.