Weather in Kosai, Japan 🇯🇵
In Kosai right now it is 25°C and clear, feeling like 29°C. Humidity is 83% with winds around 4 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Kosai from about 25°C to 32°C.
Hourly Forecast for Kosai
14-Day Forecast for Kosai
Additional Forecasts for Kosai
Air Quality
Historical Weather
Weather Forecasts for Other Cities in Japan
Best Time to Be Outside in Kosai Today
The most comfortable window in Kosai today looks like 06:00 to 09:00, when it is around 26°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Kosai
What is the temperature in Kosai right now?
It is currently 25°C (77°F) in Kosai, clear (feels like 29°C).
What's the weather like in Kosai right now?
Current weather in Kosai: Clear, humidity 83%, wind 4 km/h NNW.
What is today's forecast for Kosai?
Today in Kosai: high 32°C, low 25°C, sunny. Chance of rain: 36%.
What is the 7-day weather forecast for Kosai?
Daily highs and lows for Kosai:
- 2026-08-24: 32°C / 25°C
- 2026-08-25: 31°C / 25°C
- 2026-08-26: 32°C / 26°C
- 2026-08-27: 31°C / 24°C
- 2026-08-28: 28°C / 24°C
- 2026-08-29: 33°C / 26°C
- 2026-08-30: 29°C / 25°C
Is it going to rain in Kosai today?
There is a 36% chance of rain in Kosai today. Total expected precipitation: 0.64 mm.
What is the wind speed in Kosai right now?
Wind in Kosai is currently 4 km/h (2 mph) from the NNW.
What is the UV index in Kosai right now?
The UV index in Kosai is currently 0 (low). Sun protection is recommended when the index is 3 or higher.