Live Weather & Forecast
Weather in Sayama
Saitama, Japan · Real-time conditions & 3-day outlook
21°C
Feels like 21°C
71°F / Feels 71°F
Partly cloudy
Sayama, Saitama
🌞 Daytime
Updated: 2026-04-15 12:45
Humidity
49%
Wind
11.2 km/h SSE
Wind Gust
12.9 km/h
Pressure
1014 mb
Visibility
16 km
UV Index
4
(Moderate)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
8.5°C
Wind Degree
154°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (3)
CO
442.9 μg/m³
NO₂
33.1 μg/m³
O₃
32 μg/m³
SO₂
10.5 μg/m³
PM 2.5
29.2 μg/m³
PM 10
35.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Sayama, 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
16°
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°
Partly Cloudy
12 PM
21°
Partly cloudy
1 PM
20°
Partly Cloudy
2 PM
20°
Patchy rain nearby
3 PM
20°
Cloudy
4 PM
20°
Patchy rain nearby
5 PM
18°
Light drizzle
6 PM
16°
Light rain
7 PM
15°
Light rain
8 PM
15°
Moderate rain
9 PM
15°
Light rain
10 PM
15°
Light drizzle
11 PM
15°
Light drizzle
3-Day Forecast
Daily overview for Sayama, Saitama
Today
Moderate rain
21°
/
15°
🌧️ 94% chance of rain
💧 Avg. humidity: 68%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 10.27 mm
☀️ UV Index: 1.2
🌅 Sunrise: 05:10 AM
🌇 Sunset: 06:15 PM
🌙 Waning Crescent
🌑 Moon: 8% lit
Thu, Apr 16
Patchy rain nearby
23°
/
14°
🌧️ 93% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 30.2 km/h
🌧️ Total precip: 0.24 mm
☀️ UV Index: 1.6
🌅 Sunrise: 05:09 AM
🌇 Sunset: 06:16 PM
🌙 Waning Crescent
🌑 Moon: 3% lit
Fri, Apr 17
Partly Cloudy
20°
/
11°
🌧️ 0% chance of rain
💧 Avg. humidity: 43%
💨 Max wind: 15.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:08 AM
🌇 Sunset: 06:17 PM
🌙 New Moon
🌑 Moon: 0% lit
Best Time to Visit Sayama
Plan your trip to Sayama, 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 Sayama?
Current conditions in Sayama: Partly cloudy, temperature 21°C, humidity 49%.
What is the best time to visit Sayama?
The best time to visit Sayama is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Sayama?
Sayama is located at approximately 35.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Sayama?
The wettest period in Sayama is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Sayama?
For visits to Sayama during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Sayama in 2026?
View the 2026 public holidays for Sayama on our Holidays page.
What are the GPS coordinates used for the weather forecast in Sayama?
The weather forecast for Sayama uses coordinates 35.8529, 139.4123.