Live Weather & Forecast
Weather in Kawaguchi
Saitama, Japan · Real-time conditions & 3-day outlook
17°C
Feels like 17°C
63°F / Feels 63°F
Light rain shower
Kawaguchi, Saitama
🌙 Nighttime
Updated: 2026-04-15 21:30
Humidity
94%
Wind
4 km/h E
Wind Gust
5.2 km/h
Pressure
1010 mb
Visibility
7 km
UV Index
0
(Low)
Precipitation
0.13 mm
Cloud Cover
75%
Dew Point
12.7°C
Wind Degree
84°
Air Quality Index
US EPA: Good
UK DEFRA: Low (2)
CO
234.9 μg/m³
NO₂
14.9 μg/m³
O₃
121 μg/m³
SO₂
9.6 μg/m³
PM 2.5
13.9 μg/m³
PM 10
18.3 μg/m³
Today's Hourly Forecast
24-hour breakdown for Kawaguchi, Saitama
12 AM
18°
Partly Cloudy
1 AM
18°
Partly Cloudy
2 AM
18°
Patchy rain nearby
3 AM
17°
Patchy rain nearby
4 AM
17°
Patchy rain nearby
5 AM
17°
Patchy rain nearby
6 AM
17°
Patchy rain nearby
7 AM
17°
Patchy rain nearby
8 AM
18°
Patchy rain nearby
9 AM
19°
Patchy rain nearby
10 AM
19°
Patchy rain nearby
11 AM
19°
Partly Cloudy
12 PM
19°
Partly Cloudy
1 PM
20°
Cloudy
2 PM
20°
Overcast
3 PM
20°
Cloudy
4 PM
20°
Cloudy
5 PM
19°
Patchy rain nearby
6 PM
18°
Patchy rain nearby
7 PM
18°
Patchy rain nearby
8 PM
18°
Patchy rain nearby
9 PM
17°
Light rain shower
10 PM
17°
Light drizzle
11 PM
17°
Light drizzle
3-Day Forecast
Daily overview for Kawaguchi, Saitama
Today
Patchy rain nearby
20°
/
17°
🌧️ 96% chance of rain
💧 Avg. humidity: 65%
💨 Max wind: 11.2 km/h
🌧️ Total precip: 1.58 mm
☀️ UV Index: 1.4
🌅 Sunrise: 05:09 AM
🌇 Sunset: 06:14 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
23°
/
13°
🌧️ 95% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 28.4 km/h
🌧️ Total precip: 3.87 mm
☀️ UV Index: 1.5
🌅 Sunrise: 05:08 AM
🌇 Sunset: 06:15 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
20°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 43%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:06 AM
🌇 Sunset: 06:16 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Kawaguchi
Plan your trip to Kawaguchi, Japan around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Kawaguchi?
Current conditions in Kawaguchi: Light rain shower, temperature 17°C, humidity 94%.
What is the best time to visit Kawaguchi?
The best time to visit Kawaguchi is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Kawaguchi?
Kawaguchi is located at approximately 35.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Kawaguchi?
The wettest period in Kawaguchi is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Kawaguchi?
For visits to Kawaguchi during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Kawaguchi in 2026?
View the 2026 public holidays for Kawaguchi on our Holidays page.
What are the GPS coordinates used for the weather forecast in Kawaguchi?
The weather forecast for Kawaguchi uses coordinates 35.8078, 139.7241.