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Weather in Kōshū, Japan 🇯🇵

Current Weather in Kōshū

Patchy rain nearby
18°C
Feels like 20°C. Patchy rain nearby.
🌬️ 4 km/h N
💧 94% Humidity
🧭 1017 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 17°C
🌅 Sunrise: 05:10 AM
🌇 Sunset: 06:23 PM
Map Overlays:

As of now, Kōshū is 18°C and patchy rain nearby, feeling like 20°C. Humidity is 94% with winds around 4 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Kōshū from about 18°C to 29°C.

Hourly Forecast for Kōshū

05:00
Clear
18°
15%
06:00
Sunny
19°
15%
07:00
Partly Cloudy
21°
17%
08:00
Sunny
23°
10%
09:00
Sunny
25°
6%
10:00
Sunny
26°
4%
11:00
Patchy rain nearby
27°
20%
12:00
Patchy rain nearby
28°
36%
13:00
Patchy rain nearby
28°
21%
14:00
Patchy rain nearby
27°
39%
15:00
Patchy rain nearby
26°
40%
16:00
Patchy rain nearby
25°
20%
17:00
Patchy rain nearby
24°
45%
18:00
Sunny
22°
15%
19:00
Mist
21°
68%
20:00
Mist
21°
67%
21:00
Mist
20°
22%
22:00
Cloudy
20°
26%
23:00
Partly Cloudy
20°
20%
00:00
Overcast
20°
29%
01:00
Partly Cloudy
20°
23%
02:00
Partly Cloudy
20°
21%
03:00
Partly Cloudy
19°
23%
04:00
Clear
19°
14%

14-Day Forecast for Kōshū

Mon, Aug 24
Sunny Sunny
28° / 18°
Tue, Aug 25
Patchy rain nearby Patchy rain nearby
29° / 19°
Wed, Aug 26
Sunny Sunny
29° / 19°
Thu, Aug 27
Light rain shower Light rain shower
26° / 19°
Fri, Aug 28
Light rain shower Light rain shower
26° / 18°
Sat, Aug 29
Patchy rain nearby Patchy rain nearby
20° / 18°
Sun, Aug 30
Light rain shower Light rain shower
26° / 19°
Mon, Aug 31
Light rain shower Light rain shower
28° / 19°
Tue, Sep 01
Light rain shower Light rain shower
24° / 18°
Wed, Sep 02
Patchy rain nearby Patchy rain nearby
21° / 18°
Thu, Sep 03
Partly Cloudy Partly Cloudy
24° / 16°
Fri, Sep 04
Sunny Sunny
27° / 15°
Sat, Sep 05
Overcast Overcast
24° / 19°
Sun, Sep 06
Light rain shower Light rain shower
25° / 19°

Additional Forecasts for Kōshū

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 130.0 μg/m³
O₃ (Ozone) 29.0 μg/m³
NO₂ (Nitrogen Dioxide) 7.9 μg/m³
SO₂ (Sulphur Dioxide) 2.1 μg/m³
PM2.5 (Fine particles) 5.6 μg/m³
PM10 (Coarse particles) 5.6 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Japan

Browse Weather in Japan by cities in alphabetical order:

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Best Time to Be Outside in Kōshū Today

The most comfortable window in Kōshū today looks like 07:00 to 10:00, when it is around 23°C. It should stay dry through that window. The next likely rain is around 19:00.

Frequently Asked Questions about Weather in Kōshū

What is the temperature in Kōshū right now?

Kōshū is sitting at 18°C (65°F) right now, patchy rain nearby (feels like 20°C).

What's the weather like in Kōshū right now?

Current weather in Kōshū: Patchy rain nearby, humidity 94%, wind 4 km/h N.

What is today's forecast for Kōshū?

Today in Kōshū: high 28°C, low 18°C, sunny. Chance of rain: 71%.

What is the 7-day weather forecast for Kōshū?

Daily highs and lows for Kōshū:

  • 2026-08-24: 28°C / 18°C
  • 2026-08-25: 29°C / 19°C
  • 2026-08-26: 29°C / 19°C
  • 2026-08-27: 26°C / 19°C
  • 2026-08-28: 26°C / 18°C
  • 2026-08-29: 20°C / 18°C
  • 2026-08-30: 26°C / 19°C
Is it going to rain in Kōshū today?

There is a 71% chance of rain in Kōshū today. Total expected precipitation: 3.79 mm.

What is the wind speed in Kōshū right now?

Wind in Kōshū is currently 4 km/h (2 mph) from the N.

What is the UV index in Kōshū right now?

The UV index in Kōshū is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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