🇯🇵 Weather in Kokubunji
Map Overlays:
Hourly Forecast for Kokubunji
12:00
27°
13%
13:00
26°
16%
14:00
26°
31%
15:00
25°
28%
16:00
25°
57%
17:00
24°
54%
18:00
24°
50%
19:00
24°
56%
20:00
23°
67%
21:00
23°
46%
22:00
23°
49%
23:00
22°
60%
00:00
22°
72%
01:00
22°
77%
02:00
21°
76%
03:00
21°
74%
04:00
21°
83%
05:00
21°
79%
06:00
20°
90%
07:00
20°
80%
08:00
20°
51%
09:00
20°
76%
10:00
20°
36%
11:00
20°
65%
14-Day Forecast for Kokubunji
2026-09-04
Light rain shower
27° /
22°
2026-09-05
Light rain shower
22° /
20°
2026-09-06
Patchy rain nearby
23° /
20°
2026-09-07
Light rain shower
25° /
19°
2026-09-08
Light rain shower
23° /
19°
2026-09-09
Light rain shower
21° /
20°
2026-09-10
Light rain shower
22° /
21°
Additional Forecasts for Kokubunji
Air Quality
💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 284.0 μg/m³
O₃ (Ozone) 63.0 μg/m³
NO₂ (Nitrogen Dioxide) 56.2 μg/m³
SO₂ (Sulphur Dioxide) 48.6 μg/m³
PM2.5 (Fine particles) 32.6 μg/m³
PM10 (Coarse particles) 32.9 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Kokubunji — FAQ
Answers refreshed each request based on current conditions in Kokubunji.
What is the weather like right now in Kokubunji?
Right now in Kokubunji, Japan the temperature is 27.1°C (feels like 27.9°C), with overcast. Relative humidity is 55% and wind is 10.1 km/h.
What is today's high and low temperature in Kokubunji?
Today's forecast high in Kokubunji is 27.3°C and the overnight low is 22.3°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Kokubunji today?
The chance of precipitation in Kokubunji today is 80%. 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 Kokubunji differ from nearby cities?
Even short distances can change temperatures noticeably. Kokubunji'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.