Koshigaya, Japan 7-day weather forecast
Wednesday 11 November 2026 | 17:38
12°
Clear sky
Feels like 10°
- High
- 14°
- Low
- 6°
- Humidity
- 51%
- Wind
- 2 km/h
7-day forecast
14 daysHourly forecast
DetailsKoshigaya rain radar
Temperature and rain / Koshigaya
The coming days
High
21°
Low
5°
Average high
16.5°
Average low
7.9°
Total rain
70.6 mm
Average rain
4.7 mm
Air quality - Koshigaya
Particles and ozone
Moderate
16.90 µg/m³
0-1212-3535-5555+
Acceptable; sensitive people should take care.
PM1017.90µg/m³
Ozone63µg/m³
Data updated hourly
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Frequently asked questions
Quick answers about the weather in Koshigaya
Tomorrow in Koshigaya, expect Clear sky ☀️, with:\n\n- High of 17°\n- Low of 7°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-11