🇯🇵 Weather in Kawaguchi
Map Overlays:
Hourly Forecast for Kawaguchi
09:00
20°
6%
10:00
21°
8%
11:00
22°
8%
12:00
23°
7%
13:00
23°
6%
14:00
23°
9%
15:00
23°
73%
16:00
22°
73%
17:00
21°
73%
18:00
20°
90%
19:00
20°
92%
20:00
20°
89%
21:00
19°
88%
22:00
19°
93%
23:00
19°
94%
00:00
19°
92%
01:00
19°
95%
02:00
19°
92%
03:00
19°
87%
04:00
19°
90%
05:00
19°
90%
06:00
19°
87%
07:00
19°
86%
08:00
19°
76%
14-Day Forecast for Kawaguchi
2026-06-07
Moderate rain
23° /
18°
2026-06-08
Moderate rain
23° /
19°
2026-06-09
Patchy rain nearby
29° /
20°
2026-06-10
Patchy rain nearby
22° /
20°
2026-06-11
Patchy rain nearby
26° /
19°
2026-06-12
Patchy rain nearby
25° /
20°
2026-06-13
Patchy rain nearby
30° /
19°
Additional Forecasts for Kawaguchi
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 151.0 μg/m³
O₃ (Ozone) 38.0 μg/m³
NO₂ (Nitrogen Dioxide) 24.0 μg/m³
SO₂ (Sulphur Dioxide) 15.9 μg/m³
PM2.5 (Fine particles) 12.8 μg/m³
PM10 (Coarse particles) 14.8 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Japan
Weather in Kawaguchi — FAQ
Answers refreshed each request based on current conditions in Kawaguchi.
What is the weather like right now in Kawaguchi?
Right now in Kawaguchi, Japan the temperature is 18.1°C (feels like 18.1°C), with partly cloudy. Relative humidity is 88% and wind is 7.6 km/h.
What is today's high and low temperature in Kawaguchi?
Today's forecast high in Kawaguchi is 23.2°C and the overnight low is 17.9°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Kawaguchi today?
The chance of precipitation in Kawaguchi today is 84%. 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 Kawaguchi differ from nearby cities?
Even short distances can change temperatures noticeably. Kawaguchi'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.








