Koshigaya, Japan 14-day weather forecast

Friday 13 November 2026 | 02:43

12°

Clear sky

Feels like 10°

High
14°
Low
6°
Humidity
51%
Wind
2 km/h

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

Other cities

Weather in the country's main cities

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°

Need more information?

Our data is updated regularly to give you the most reliable forecast.

Last updated: 2026-11-12