| Wed May 22 | Thu May 23 | Fri May 24 | Sat May 25 | |
| Tmin 18-06 |
18°C | 17°C | 15°C | 17°C |
| Tmax 06-18 |
29°C | 27°C | 30°C | 25°C |
| morning 24-06 |
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| a.m. 06-12 |
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| p.m. 12-18 |
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| evening 18-24 |
| Nearby Forecast Locations - Kumagaya | Distance |
| Kōnosu | 16.4 km |
| Ashikaga | 20.9 km |
| Isesaki | 24.5 km |
| Ageo | 27.2 km |
| Kawagoe | 27.5 km |
| Kiryū | 28.5 km |
| Forecast: Kumagaya Region While on Wednesday it's still partly sunny clouds will subsequently decrease. But on Wednesday rain is to be expected. Daytime temperature reaches 29 degrees. |