Live Weather & Forecast
Weather in Niiza
Saitama, Japan · Real-time conditions & 3-day outlook
15°C
Feels like 15°C
60°F / Feels 60°F
Light rain
Niiza, Saitama
🌙 Nighttime
Updated: 2026-04-16 02:30
Humidity
94%
Wind
22.3 km/h NNW
Wind Gust
28.8 km/h
Pressure
1008 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
1.77 mm
Cloud Cover
75%
Dew Point
13.1°C
Wind Degree
343°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
303.9 μg/m³
NO₂
42.3 μg/m³
O₃
92 μg/m³
SO₂
14.7 μg/m³
PM 2.5
23.5 μg/m³
PM 10
29.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Niiza, Saitama
12 AM
16°
Moderate rain
1 AM
16°
Light rain
2 AM
15°
Light rain
3 AM
16°
Light drizzle
4 AM
16°
Patchy rain nearby
5 AM
16°
Patchy rain nearby
6 AM
16°
Partly Cloudy
7 AM
17°
Partly Cloudy
8 AM
18°
Sunny
9 AM
19°
Sunny
10 AM
21°
Sunny
11 AM
22°
Sunny
12 PM
23°
Sunny
1 PM
24°
Sunny
2 PM
24°
Sunny
3 PM
23°
Sunny
4 PM
22°
Sunny
5 PM
21°
Sunny
6 PM
19°
Sunny
7 PM
17°
Clear
8 PM
15°
Clear
9 PM
15°
Clear
10 PM
14°
Clear
11 PM
14°
Clear
3-Day Forecast
Daily overview for Niiza, Saitama
Today
Moderate rain
24°
/
14°
🌧️ 97% chance of rain
💧 Avg. humidity: 54%
💨 Max wind: 27.7 km/h
🌧️ Total precip: 6.17 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: 40%
💨 Max wind: 16.9 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2
🌅 Sunrise: 05:07 AM
🌇 Sunset: 06:16 PM
🌙 New Moon
🌑 Moon: 0% lit
Sat, Apr 18
Sunny
22°
/
14°
🌧️ 0% chance of rain
💧 Avg. humidity: 49%
💨 Max wind: 19.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 05:06 AM
🌇 Sunset: 06:17 PM
🌙 Waxing Crescent
🌑 Moon: 1% lit
Best Time to Visit Niiza
Plan your trip to Niiza, 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 Niiza?
Current conditions in Niiza: Light rain, temperature 15°C, humidity 94%.
What is the best time to visit Niiza?
The best time to visit Niiza is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Niiza?
Niiza is located at approximately 35.8° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Niiza?
The wettest period in Niiza is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Niiza?
For visits to Niiza during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Niiza in 2026?
View the 2026 public holidays for Niiza on our Holidays page.
What are the GPS coordinates used for the weather forecast in Niiza?
The weather forecast for Niiza uses coordinates 35.7931, 139.5657.