🇯🇵 Weather in Kumagaya
Map Overlays:
Hourly Forecast for Kumagaya
12:00
22°
8%
13:00
22°
8%
14:00
22°
8%
15:00
22°
10%
16:00
22°
73%
17:00
21°
74%
18:00
20°
90%
19:00
19°
95%
20:00
19°
95%
21:00
19°
95%
22:00
19°
96%
23:00
18°
96%
00:00
18°
91%
01:00
18°
94%
02:00
18°
91%
03:00
18°
92%
04:00
18°
90%
05:00
18°
92%
06:00
19°
91%
07:00
19°
81%
08:00
19°
73%
09:00
19°
73%
10:00
19°
40%
11:00
19°
36%
14-Day Forecast for Kumagaya
2026-06-07
Heavy rain
22° /
18°
2026-06-08
Moderate rain
23° /
18°
2026-06-09
Sunny
29° /
19°
2026-06-10
Partly Cloudy
23° /
18°
2026-06-11
Patchy rain nearby
26° /
19°
2026-06-12
Patchy rain nearby
25° /
20°
2026-06-13
Patchy rain nearby
30° /
18°
Additional Forecasts for Kumagaya
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 127.0 μg/m³
O₃ (Ozone) 35.0 μg/m³
NO₂ (Nitrogen Dioxide) 30.9 μg/m³
SO₂ (Sulphur Dioxide) 20.7 μg/m³
PM2.5 (Fine particles) 14.8 μg/m³
PM10 (Coarse particles) 18.6 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Kumagaya — FAQ
Answers refreshed each request based on current conditions in Kumagaya.
What is the weather like right now in Kumagaya?
Right now in Kumagaya, Japan the temperature is 20.2°C (feels like 20.2°C), with light rain. Relative humidity is 78% and wind is 8.3 km/h.
What is today's high and low temperature in Kumagaya?
Today's forecast high in Kumagaya is 22.3°C and the overnight low is 17.7°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Kumagaya today?
The chance of precipitation in Kumagaya today is 90%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Kumagaya differ from nearby cities?
Even short distances can change temperatures noticeably. Kumagaya's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.