Arai

Kosai Shi, Shizuoka, Japan

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Current Weather

23°

Rain and Humid

Feels Like: 23°

Min: 22°

Max: 24°

The next few hours will be humid and overcast, with today reaching 24°C and dropping to 22°C. The coming days will be drizzle

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Hourly Forecast

23° 23° 23° 23° 23° 22° 22° 22° 22° 22° 22° 22° 22° 22° 22° 22° 22° 23° 24° 25° 26° 26° 27° 27°
100%
100%
100%
100%
100%
100%
100%
100%
100%
94%
94%
94%
72%
72%
72%
42%
42%
42%
26%
26%
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
Today
Tomorrow

Daylight Hours

05:38

Sunrise

17:48

Sunset

12 hours 10 minutes of sunlight today

Moon

Waxing Crescent

10:33

Moonrise

20:28

Moonset

Daily Forecast

Today

22°
24°

Thursday

22°
27°

Friday

20°
28°

Saturday

21°
30°

Sunday

22°
29°

Monday

23°
31°

Tuesday

24°
31°

Wednesday

23°
26°

Thursday

22°
27°

Friday

21°
26°

Air Quality Data Available

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Weather in Arai today, September 16, 2026

Arai starts September 16, 2026 looking damp, with rain in the forecast and wetter spells likely at times. Waterproof kit is the safer call for early plans.

The day peaks near 24°C and cools toward 22°C. Expect humidity between 96% and 99%, most humid near 20:00. Airflow remains manageable, reaching about 1.8 km/h around 21:00.

Afternoon showers stay in play, peaking near 100% around 16:00. Skies remain cluttered, with cover about 100% by 16:00. Expect visibility near 12.7 km, with poorer spells close to 5.3 km. Expect sunrise at 05:38, sunset at 17:48, and 12 hours 10 minutes of sunlight today overall.

The practical takeaway for Arai on September 16, 2026 is simple: plan for rain, keep layers handy, and work around a high of about 24°C.

Frequently asked questions about weather in Arai

How warm does it get in Arai?

The warmest month in Arai is August, with average high temperatures of 33°C. The average temperature during this period is around 29°C.

How cold does it get in Arai?

The coldest month in Arai is January, with average low temperatures of 3°C. The average temperature during this period is around 7°C.

What is the wettest time of year in Arai?

The wettest month in Arai is June, with an average of 299mm of precipitation.

What is the driest time of year in Arai?

The driest month in Arai is January, with an average of 52mm of precipitation.

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Metric (°C, km/h)