Weather forecast for todayKainan, Japan

Weather forecast for today

Current condition 03:40 JST

  • 16°C
  • Feels like:
    16°C
Partly Cloudy
Partly Cloudy
  • Precipitation: 0mm
  • Wind: 8km/hNE 40°
  • Humidity: 76%
  • Dewpoint: 12°C
  • Pressure: 1026.08mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
In Kainan, currently, mild cloud cover is present, keeping the day bright but not completely clear.
The temperature is a breezy 16°C. The current temperature is far from the maximum of 28°C predicted for today.

Sunday 18. Oct 2026

  • 28°C
  • 21°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 20km/hSE 140°
  • Humidity: 62%
  • UV index: 6
  • Sunrise: 06:06 JST
  • Sunset: 17:22 JST
  • ▼
Today, on Sunday, October 18, clear and sunny conditions are expected.
Temperatures are anticipated to peak at a temperate 28°C and drop to a minimum of an agreeable 21°C.
The maximum heat index, which reflects the perceived temperature due to humidity levels, is estimated at a tropical 30°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today, the maximum temperature of 28°C will resemble September's climate more than October's.
Sunrise will be at 06:06 and sunset at 17:22; the daylight will last for 11h and 16min.

Hourly overview

Hourly temperatures

Warmest hour: 14h 28°C.
Coldest period: 4h - 6h 16°C.

Chance of precipitation

Highest chance: 20h - 22h 3%.

Hourly weather forecast

  • 4h
  • 16°C
  • Feels like:
    16°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hESE 112°
  • Humidity: 77%
  • Pressure: 1026mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 6h
  • 16°C
  • Feels like:
    16°C
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 8km/hE 99°
  • Humidity: 79%
  • Pressure: 1026mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
Sunrise: 06:06
  • 8h
  • 19°C
  • Feels like:
    19°C
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hESE 111°
  • Humidity: 73%
  • Pressure: 1026mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 10h
  • 24°C
  • Feels like:
    24°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 7km/hSSE 154°
  • Humidity: 56%
  • Pressure: 1025mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 12h
  • 26°C
  • Feels like:
    27°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 13km/hSSE 164°
  • Humidity: 48%
  • Pressure: 1024mbar
  • Visibility: 16km
  • UV index: 6
  • ▼
  • 14h
  • 27°C
  • Feels like:
    28°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 18km/hSSE 167°
  • Humidity: 44%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 16h
  • 26°C
  • Feels like:
    27°C
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 20km/hSSE 162°
  • Humidity: 49%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 17:22
  • 18h
  • 24°C
  • Feels like:
    24°C
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 12km/hSSE 158°
  • Humidity: 57%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 22°C
  • Feels like:
    22°C
Mostly Clear
Mostly Clear
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hSSE 149°
  • Humidity: 62%
  • Pressure: 1024mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 22°C
  • Feels like:
    22°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 13km/hSE 142°
  • Humidity: 65%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Kainan, a combination of mostly clear and cloudy weather is forecasted.
The temperature will vary between a maximum of 27°C and a minimum of 16°C. The warmest part of the day will be from 13h to 15h.
The temperature will feel more in line with September's average high than the expected maximum for October. The minimum temperature today will be also more consistent with September's average low of 21.6°C than October's of 17°C.
Updated: Oct 17, 2026 @ 18:40:11 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (03:40 JST) is 16°C.

On Sunday, expect consistent sunshine and open skies.

Today, the maximum temperature will be 28°C, while the minimum temperature will be 21°C. The maximum heat index, which factors the actual air temperature with the relative humidity, is evaluated at 30°C.
The maximum temperature today will be noticeably higher than the average highest temperature of 21.5°C in October. The lowest temperature will be slightly warmer than the average low of 17°C.

On Sunday, in Kainan, sunrise will be at 06:06 and sunset at 17:22 (JST).

In Kainan, the length of the day today will be 11h and 16min.