Koshi

Shimoniikawa Gun, Toyama-ken, Japan

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Current Weather

24°

Overcast

Feels Like: 24°

Min: 24°

Max: 25°

The next few hours will be breezy and overcast, with today reaching 25°C and dropping to 23°C. The coming days will be drizzle

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Hourly Forecast

24° 24° 25° 25° 25° 25° 25° 24° 24° 24° 24° 24° 24° 24° 24° 24° 24° 24° 24° 24° 24° 23° 23° 23°
16%
50%
50%
50%
84%
84%
84%
100%
100%
100%
100%
100%
100%
84%
84%
84%
64%
64%
64%
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
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5am
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Today
Tomorrow

Daylight Hours

05:42

Sunrise

17:41

Sunset

11 hours 58 minutes of sunlight today

Moon

Waxing Gibbous

14:56

Moonrise

00:40

Moonset

Daily Forecast

Monday

24°
25°

Tuesday

22°
24°

Wednesday

20°
22°

Thursday

20°
22°

Friday

21°
23°

Saturday

21°
23°

Sunday

20°
23°

Monday

21°
23°

Tuesday

20°
21°

Wednesday

19°
21°

Air Quality Data Available

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UV Index

No protection needed
0 Low
Low Extreme

Humidity

82% Humid
Low High

Current stargazing conditions?

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Weather in Koshi today, September 21, 2026

Expect a mostly clear day in Koshi on September 21, 2026, with sunshine dominating from morning through evening. Cloud should stay limited, so the overall feel remains bright and settled. The morning sky stays heavily clouded, with cover near 98% around 07:00. Grey conditions set the early tone before any later change.

The day peaks near 25°C and cools toward 24°C. Relative humidity sits between 81% and 86%, reaching its peak around 18:00. A lighter breeze peaks around 21:00 near 10.5 km/h.

Afternoon showers stay in play, peaking near 100% around 19:00. Skies remain cluttered, with cover about 97% by 12:00. Visibility stays generally good near 13.0 km on average, though it can drop toward 5.2 km in thicker cloud or showers. Expect sunrise at 05:42, sunset at 17:41, and 11 hours 58 minutes of sunlight today overall.

Taken together, Koshi looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 25°C.

Frequently asked questions about weather in Koshi

How warm does it get in Koshi?

The warmest month in Koshi is August, with average high temperatures of 28°C. The average temperature during this period is around 27°C.

How cold does it get in Koshi?

The coldest month in Koshi is February, with average low temperatures of 2°C. The average temperature during this period is around 4°C.

What is the wettest time of year in Koshi?

The wettest month in Koshi is December, with an average of 295mm of precipitation.

What is the driest time of year in Koshi?

The driest month in Koshi is May, with an average of 154mm of precipitation.

View full climate insights for Koshi →

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Metric (°C, km/h)