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Weather in Koga, Japan 🇯🇵

Current Weather in Koga

Clear
27°C
Feels like 30°C. Clear.
🌬️ 8 km/h SSE
💧 79% Humidity
🧭 1010 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 23°C
🌅 Sunrise: 04:53 AM
🌇 Sunset: 06:40 PM
Map Overlays:

Right now Koga is 27°C with clear, feeling like 30°C. Relative humidity is 79%, with winds around 8 km/h, and the UV index is 0 (low). Looking ahead, Koga should sit between roughly 26°C and 36°C over the coming days.

Hourly Forecast for Koga

02:00
Clear
27°
11%
03:00
Clear
26°
11%
04:00
Clear
26°
11%
05:00
Sunny
26°
12%
06:00
Sunny
27°
10%
07:00
Sunny
28°
7%
08:00
Partly Cloudy
30°
8%
09:00
Partly Cloudy
31°
4%
10:00
Cloudy
32°
7%
11:00
Partly Cloudy
34°
5%
12:00
Overcast
35°
9%
13:00
Partly Cloudy
35°
4%
14:00
Partly Cloudy
36°
4%
15:00
Partly Cloudy
35°
3%
16:00
Partly Cloudy
34°
5%
17:00
Sunny
33°
2%
18:00
Sunny
32°
3%
19:00
Clear
31°
3%
20:00
Clear
30°
4%
21:00
Clear
29°
6%
22:00
Patchy rain nearby
28°
16%
23:00
Partly Cloudy
28°
10%
00:00
Partly Cloudy
28°
12%
01:00
Cloudy
27°
14%

14-Day Forecast for Koga

Fri, Aug 07
Sunny Sunny
36° / 26°
Sat, Aug 08
Sunny Sunny
36° / 26°
Sun, Aug 09
Sunny Sunny
36° / 26°
Mon, Aug 10
Partly Cloudy Partly Cloudy
34° / 25°
Tue, Aug 11
Partly Cloudy Partly Cloudy
33° / 24°
Wed, Aug 12
Partly Cloudy Partly Cloudy
31° / 23°
Thu, Aug 13
Light rain shower Light rain shower
31° / 22°
Fri, Aug 14
Light rain shower Light rain shower
28° / 23°
Sat, Aug 15
Light rain shower Light rain shower
31° / 24°
Sun, Aug 16
Partly Cloudy Partly Cloudy
31° / 25°
Mon, Aug 17
Sunny Sunny
30° / 23°
Tue, Aug 18
Cloudy Cloudy
29° / 23°
Wed, Aug 19
Partly Cloudy Partly Cloudy
29° / 23°
Thu, Aug 20
Partly Cloudy Partly Cloudy
34° / 24°

Additional Forecasts for Koga

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 167.0 μg/m³
NO₂ (Nitrogen Dioxide) 27.4 μg/m³
SO₂ (Sulphur Dioxide) 22.0 μg/m³
PM2.5 (Fine particles) 13.9 μg/m³
PM10 (Coarse particles) 15.4 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 Koga Today

The most comfortable window in Koga today looks like 05:00 to 08:00, when it is around 27°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Koga

What is the temperature in Koga right now?

It is currently 27°C (80°F) in Koga, clear (feels like 30°C).

What's the weather like in Koga right now?

Right now Koga has Clear, humidity 79%, wind 8 km/h SSE.

What is today's forecast for Koga?

Today in Koga: high 36°C, low 26°C, sunny. Chance of rain: 7%.

What is the 7-day weather forecast for Koga?

Daily highs and lows for Koga:

  • 2026-08-07: 36°C / 26°C
  • 2026-08-08: 36°C / 26°C
  • 2026-08-09: 36°C / 26°C
  • 2026-08-10: 34°C / 25°C
  • 2026-08-11: 33°C / 24°C
  • 2026-08-12: 31°C / 23°C
  • 2026-08-13: 31°C / 22°C
Is it going to rain in Koga today?

There is a 7% chance of rain in Koga today. Total expected precipitation: 0.03 mm.

What is the wind speed in Koga right now?

Wind in Koga is currently 8 km/h (5 mph) from the SSE.

What is the UV index in Koga right now?

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

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