Weather forecast for todayIsumi, Japan

Weather forecast for today

Current condition 18:09 JST

  • 20°C
  • Feels like:
    20°C
Fair
Fair
  • Precipitation: 0mm
  • Wind: 10km/hSSE 160°
  • Humidity: 68%
  • Dewpoint: 14°C
  • Pressure: 1027.09mbar
  • Visibility: 16.09km
  • UV index: 0
  • ▼
Currently, the sky remains mostly clear, allowing for bright and pleasant conditions.
The temperature is a delightful 20°C. The current temperature is near the lowest predicted 19°C for today.

Sunday 18. Oct 2026

  • min.
  • 19°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 17km/hSSW 199°
  • Humidity: 69%
  • UV index: 0
  • Sunrise: 05:46 JST
  • Sunset: 17:00 JST
  • ▼
In Isumi, for the rest of Sunday, occasional clouds will pass by, but expect bright spells.
The lowest temperature will be a comfortable 19°C.
Sunrise was at 05:46 and sunset at 17:00; the daylight lasted for 11h and 14min.

Hourly overview

Hourly temperatures

Warmest hour: 2h 21°C.
Minimum temperature: 20°C.

Chance of precipitation

Highest chance: 2h - 3h 2%.

Hourly weather forecast

  • 19h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 10km/hS 187°
  • Humidity: 68%
  • Pressure: 1027mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 11km/hSSW 199°
  • Humidity: 69%
  • Pressure: 1027mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 21h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 12km/hS 188°
  • Humidity: 70%
  • Pressure: 1027mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 22h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 14km/hS 187°
  • Humidity: 69%
  • Pressure: 1026mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 23h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 15km/hSW 220°
  • Humidity: 68%
  • Pressure: 1026mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 0h
  • 20°C
  • Feels like:
    20°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 12km/hSSW 197°
  • Humidity: 69%
  • Pressure: 1025mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 1h
  • 20°C
  • Feels like:
    20°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 8km/hSSW 201°
  • Humidity: 69%
  • Pressure: 1025mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 2h
  • 21°C
  • Feels like:
    21°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 6km/hSSW 192°
  • Humidity: 68%
  • Pressure: 1024mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 3h
  • 20°C
  • Feels like:
    20°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 15km/hSSW 208°
  • Humidity: 72%
  • Pressure: 1024mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 4h
  • 21°C
  • Feels like:
    21°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0mm
  • Wind: 7km/hS 183°
  • Humidity: 70%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 5h
  • 21°C
  • Feels like:
    21°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 13km/hSSW 198°
  • Humidity: 68%
  • Pressure: 1023mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
For the rest of Sunday, cloudy skies are expected.
The temperature will vary between the highest temperature of 20°C and the lowest temperature of 20°C.
Updated: Oct 18, 2026 @ 09:09:33 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 18:09 JST, the temperature is 20°C.

On Sunday, in Isumi, some passing clouds may drift through, but the sun will shine at times.

On Sunday, in Isumi, sunrise was at 05:46 and sunset at 17:00 (JST).

Today in Isumi, the length of the day was 11h and 14min.