🇯🇵 Weather in Koshigaya
Map Overlays:
Hourly Forecast for Koshigaya
15:00
15°
75%
16:00
15°
72%
17:00
14°
100%
18:00
14°
68%
19:00
14°
62%
20:00
14°
66%
21:00
14°
83%
22:00
14°
83%
23:00
14°
0%
00:00
14°
0%
01:00
14°
0%
02:00
14°
0%
03:00
14°
0%
04:00
13°
0%
05:00
13°
0%
06:00
14°
0%
07:00
14°
0%
08:00
14°
0%
09:00
15°
0%
10:00
17°
0%
11:00
18°
0%
12:00
20°
0%
13:00
20°
0%
14:00
20°
0%
14-Day Forecast for Koshigaya
2026-05-22
Moderate rain
15° /
14°
2026-05-23
Overcast
20° /
13°
2026-05-24
Patchy rain nearby
22° /
17°
2026-05-25
Partly Cloudy
27° /
19°
2026-05-26
Partly Cloudy
27° /
20°
2026-05-27
Partly Cloudy
28° /
21°
2026-05-28
Patchy rain nearby
27° /
20°
Additional Forecasts for Koshigaya
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 167.8 μg/m³
O₃ (Ozone) 82.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.7 μg/m³
SO₂ (Sulphur Dioxide) 4.0 μg/m³
PM2.5 (Fine particles) 2.8 μg/m³
PM10 (Coarse particles) 2.9 μg/m³