Niiza

Niiza-shi, Saitama-ken, Japan

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Current Weather

23°

Humid and Overcast

Feels Like: 23°

Min: 20°

Max: 23°

The next few hours will be light rain and humid, with today reaching 23°C and dropping to 19°C. The coming days will be drizzle

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Compare today's weather with yesterday's data and track temperature trends over time.

Hourly Forecast

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98%
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Today

Daylight Hours

05:30

Sunrise

17:41

Sunset

12 hours 10 minutes of sunlight today

Moon

Waxing Crescent

10:28

Moonrise

20:16

Moonset

Daily Forecast

Wednesday

20°
23°

Thursday

19°
23°

Friday

18°
23°

Saturday

20°
25°

Sunday

22°
26°

Monday

22°
24°

Tuesday

23°
31°

Wednesday

22°
25°

Thursday

21°
26°

Friday

21°
27°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

98% Very Humid
Low High

Weather in Niiza today, September 16, 2026

Expect unsettled, showery conditions in Niiza on September 16, 2026 as rain moves through. The day opens on a wet note and needs flexible outdoor plans. Wetter spells lean into the morning, when rain odds reach about 100% near 07:00. Skies look heaviest around 00:00, with cover close to 100%.

The temperature range runs from about 20°C up to 23°C. Moisture in the air spans 87%-98%, with the highest values around 00:00. Expect gentle winds, highest near 06:00 at 3.3 km/h.

Afternoon showers stay in play, peaking near 100% around 13:00. Skies remain cluttered, with cover about 100% by 12:00. Horizontal visibility sits around 9.2 km, briefly nearer 4.4 km. Sunrise is at 05:30 and sunset at 17:41, giving 12 hours 10 minutes of sunlight today.

In short, treat September 16, 2026 in Niiza as a damp day: pack covers, watch the wetter hours, and expect a high near 23°C.

Frequently asked questions about weather in Niiza

How warm does it get in Niiza?

The warmest month in Niiza is August, with average high temperatures of 32°C. The average temperature during this period is around 28°C.

How cold does it get in Niiza?

The coldest month in Niiza is January, with average low temperatures of 0°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Niiza?

The wettest month in Niiza is October, with an average of 198mm of precipitation.

What is the driest time of year in Niiza?

The driest month in Niiza is December, with an average of 48mm of precipitation.

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Metric (°C, km/h)