Weather in Koshigaya, Japan
Friday 20 November 2026
14°
Few clouds
Feels like 12°
- High
- 15°
- Low
- 7°
- Humidity
- 64%
- Wind
- 9 km/h
Temperature and rain / Koshigaya
The coming days
High
19°
Low
4°
Average high
14.5°
Average low
7.5°
Total rain
64.7 mm
Average rain
4.3 mm
Air quality - Koshigaya
Particles and ozone
Very poor
81.30 µg/m³
0-1212-3535-5555+
Avoid outdoor effort.
PM1082.40µg/m³
Ozone2µg/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 19°\n- Low of 12°
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Our data is updated regularly to give you the most reliable forecast.
Last updated: 2026-11-15