Live Weather & Forecast
Weather in Kumagaya
Saitama, Japan · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
65°F / Feels 65°F
Light rain
Kumagaya, Saitama
🌙 Nighttime
Updated: 2026-04-15 19:15
Humidity
77%
Wind
7.6 km/h SE
Wind Gust
10 km/h
Pressure
1010 mb
Visibility
13 km
UV Index
0
(Low)
Precipitation
0.03 mm
Cloud Cover
100%
Dew Point
10.9°C
Wind Degree
137°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
296.9 μg/m³
NO₂
20.3 μg/m³
O₃
90 μg/m³
SO₂
14.2 μg/m³
PM 2.5
16 μg/m³
PM 10
22.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Kumagaya, Saitama
12 AM
18°
Patchy rain nearby
1 AM
17°
Patchy rain nearby
2 AM
17°
Patchy rain nearby
3 AM
17°
Patchy rain nearby
4 AM
17°
Patchy rain nearby
5 AM
16°
Patchy rain nearby
6 AM
16°
Patchy rain nearby
7 AM
17°
Patchy rain nearby
8 AM
18°
Patchy rain nearby
9 AM
19°
Patchy rain nearby
10 AM
20°
Patchy rain nearby
11 AM
21°
Patchy rain nearby
12 PM
21°
Patchy rain nearby
1 PM
21°
Cloudy
2 PM
21°
Partly Cloudy
3 PM
20°
Overcast
4 PM
20°
Overcast
5 PM
20°
Overcast
6 PM
19°
Patchy rain nearby
7 PM
18°
Light rain
8 PM
18°
Patchy rain nearby
9 PM
18°
Patchy rain nearby
10 PM
17°
Light drizzle
11 PM
17°
Light drizzle
3-Day Forecast
Daily overview for Kumagaya, Saitama
Today
Patchy rain nearby
21°
/
16°
🌧️ 96% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 10.1 km/h
🌧️ Total precip: 1.55 mm
☀️ UV Index: 1.5
🌅 Sunrise: 05:10 AM
🌇 Sunset: 06:16 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
24°
/
14°
🌧️ 88% chance of rain
💧 Avg. humidity: 50%
💨 Max wind: 22 km/h
🌧️ Total precip: 2.2 mm
☀️ UV Index: 1.6
🌅 Sunrise: 05:09 AM
🌇 Sunset: 06:17 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Overcast
20°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 44%
💨 Max wind: 14 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:07 AM
🌇 Sunset: 06:17 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Kumagaya
Plan your trip to Kumagaya, 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 Kumagaya?
Current conditions in Kumagaya: Light rain, temperature 18°C, humidity 77%.
What is the best time to visit Kumagaya?
The best time to visit Kumagaya is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Kumagaya?
Kumagaya is located at approximately 36.1° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Kumagaya?
The wettest period in Kumagaya is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Kumagaya?
For visits to Kumagaya during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Kumagaya in 2026?
View the 2026 public holidays for Kumagaya on our Holidays page.
What are the GPS coordinates used for the weather forecast in Kumagaya?
The weather forecast for Kumagaya uses coordinates 36.1472, 139.3886.