Weather forecast for todayKoshigaya, Japan

Weather forecast for today

Current condition 02:51 JST

  • 19°C
  • Feels like:
    19°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 10km/hSSW 200°
  • Humidity: 72%
  • Dewpoint: 14°C
  • Pressure: 1023.37mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
In Koshigaya, currently, a light breeze complements the fair weather.
The temperature is a comfortable 19°C. The current temperature is near the lowest anticipated 20°C for today.

Monday 19. Oct 2026

  • 28°C
  • 20°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 19km/hSW 215°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 05:50 JST
  • Sunset: 17:01 JST
  • ▼
Today, on Monday, October 19, thick clouds will linger with little clearing expected.
The maximum temperature will be a warm 28°C, while the minimum anticipated temperature is an agreeable 20°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at 29°C.
The temperature of 28°C aligns more with what is typical in September than what is normal in October.
Sunrise will be at 05:50 and sunset at 17:01; the daylight will last for 11h and 10min.

Hourly overview

Hourly temperatures

Warmest hour: 15h 28°C.
Coldest hour: 6h 18°C.

Chance of precipitation

Highest chance: 21h 5%.

Hourly weather forecast

  • 4h
  • 19°C
  • Feels like:
    19°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 8km/hSW 215°
  • Humidity: 73%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunrise: 05:50
  • 6h
  • 18°C
  • Feels like:
    18°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 8km/hSW 226°
  • Humidity: 73%
  • Pressure: 1022mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 8h
  • 21°C
  • Feels like:
    21°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 258°
  • Humidity: 64%
  • Pressure: 1022mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
  • 10h
  • 24°C
  • Feels like:
    24°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 12km/hSW 228°
  • Humidity: 56%
  • Pressure: 1021mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 12h
  • 26°C
  • Feels like:
    27°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 16km/hSSW 209°
  • Humidity: 51%
  • Pressure: 1019mbar
  • Visibility: 16km
  • UV index: 4
  • ▼
  • 14h
  • 27°C
  • Feels like:
    28°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 19km/hSSW 199°
  • Humidity: 50%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 16h
  • 26°C
  • Feels like:
    27°C
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 17km/hSSW 192°
  • Humidity: 53%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Sunset: 17:01
  • 18h
  • 24°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 0%
  • Precipitation: 0mm
  • Wind: 14km/hSSW 196°
  • Humidity: 62%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 9km/hSSW 207°
  • Humidity: 68%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 23°C
  • Feels like:
    23°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 7km/hSW 215°
  • Humidity: 72%
  • Pressure: 1018mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
Today, in Koshigaya, overcast weather is expected.
The temperature will vary between the lowest temperature of 18°C and the highest temperature of 27°C. The warmest part of the day will be from 13h to 15h.
The temperature will feel more close to September's average high than the expected maximum for October. Forecasts show a temperature also more similar to September's average minimum of 20.6°C rather than the October average of 15.6°C.
Updated: Oct 18, 2026 @ 17:51:09 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 02:51 JST, the temperature is 19°C.

On Monday, the sky will be mainly overcast.

Today, the highest temperature will be 28°C, while the lowest temperature will be 20°C. The maximum heat index, which measures the combined effect of heat and moisture, is appraised at 29°C.
The highest temperature will be notably higher than the average maximum of 21.5°C in October. The lowest temperature will be moderately higher than the average low of 15.6°C.

On Monday, in Koshigaya, sunrise will be at 05:50 and sunset at 17:01 (JST).

In Koshigaya, today, there will be 11h and 10min of daylight.