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Weather in Koshigaya, Japan 🇯🇵

Weather Forecast in Koshigaya

Current Weather in Koshigaya

Light rain shower
32°C
Feels like 39°C. Light rain shower.
🌬️ 17 km/h SE
💧 67% Humidity
🧭 1009 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 1.1
🌡️ Dew Point: 23°C
🌅 Sunrise: 04:42 AM
🌇 Sunset: 06:52 PM
Map Overlays:

As of now, Koshigaya is 32°C and light rain shower, feeling like 39°C. Humidity sits at 67% and winds are near 17 km/h, and the UV index is 1 (low). The next few days in Koshigaya look set for about 24°C up to 36°C.

Hourly Forecast for Koshigaya

17:00
Light drizzle
30°
55%
18:00
Light rain shower
29°
61%
19:00
Light rain
28°
68%
20:00
Light rain shower
28°
58%
21:00
Light rain
28°
67%
22:00
Light rain shower
27°
60%
23:00
Light rain
27°
67%
00:00
Patchy rain nearby
27°
38%
01:00
Patchy rain nearby
27°
33%
02:00
Patchy rain nearby
27°
34%
03:00
Patchy rain nearby
27°
34%
04:00
Patchy rain nearby
27°
30%
05:00
Patchy rain nearby
27°
30%
06:00
Patchy rain nearby
27°
27%
07:00
Patchy rain nearby
28°
21%
08:00
Patchy rain nearby
29°
18%
09:00
Patchy rain nearby
31°
11%
10:00
Patchy rain nearby
32°
7%
11:00
Patchy rain nearby
34°
10%
12:00
Patchy rain nearby
35°
5%
13:00
Patchy rain nearby
35°
17%
14:00
Light rain shower
36°
17%
15:00
Light drizzle
35°
21%
16:00
Light rain shower
32°
36%

14-Day Forecast for Koshigaya

Fri, Jul 24
Partly Cloudy Partly Cloudy
34° / 27°
Sat, Jul 25
Patchy rain nearby Patchy rain nearby
36° / 24°
Sun, Jul 26
Cloudy Cloudy
34° / 24°
Mon, Jul 27
Patchy rain nearby Patchy rain nearby
30° / 24°
Tue, Jul 28
Cloudy Cloudy
29° / 24°
Wed, Jul 29
Partly Cloudy Partly Cloudy
32° / 24°
Thu, Jul 30
Sunny Sunny
34° / 26°
Fri, Jul 31
Sunny Sunny
35° / 27°
Sat, Aug 01
Sunny Sunny
36° / 28°
Sun, Aug 02
Partly Cloudy Partly Cloudy
36° / 26°
Mon, Aug 03
Overcast Overcast
26° / 24°
Tue, Aug 04
Patchy rain nearby Patchy rain nearby
31° / 24°
Wed, Aug 05
Sunny Sunny
33° / 25°
Thu, Aug 06
Patchy rain nearby Patchy rain nearby
29° / 24°

Additional Forecasts for Koshigaya

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 308.0 μg/m³
O₃ (Ozone) 176.0 μg/m³
NO₂ (Nitrogen Dioxide) 15.6 μg/m³
SO₂ (Sulphur Dioxide) 15.1 μg/m³
PM2.5 (Fine particles) 22.6 μg/m³
PM10 (Coarse particles) 23.9 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Japan

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Best Time to Be Outside in Koshigaya Tomorrow

There is no good daylight window left in Koshigaya today. Tomorrow, the most comfortable window looks like 07:00 to 09:00, when it is around 29°C. It should stay dry through that window. The next likely rain is around 17:00.

Frequently Asked Questions about Weather in Koshigaya

What is the temperature in Koshigaya right now?

The current temperature in Koshigaya is 32°C (90°F), light rain shower (feels like 39°C).

What's the weather like in Koshigaya right now?

Current weather in Koshigaya: Light rain shower, humidity 67%, wind 17 km/h SE.

What is today's forecast for Koshigaya?

Today in Koshigaya: high 34°C, low 27°C, partly cloudy. Chance of rain: 73%.

What is the 7-day weather forecast for Koshigaya?

Daily highs and lows for Koshigaya:

  • 2026-07-24: 34°C / 27°C
  • 2026-07-25: 36°C / 24°C
  • 2026-07-26: 34°C / 24°C
  • 2026-07-27: 30°C / 24°C
  • 2026-07-28: 29°C / 24°C
  • 2026-07-29: 32°C / 24°C
  • 2026-07-30: 34°C / 26°C
Is it going to rain in Koshigaya today?

There is a 73% chance of rain in Koshigaya today. Total expected precipitation: 7.54 mm.

What is the wind speed in Koshigaya right now?

Wind in Koshigaya is currently 17 km/h (10 mph) from the SE.

What is the UV index in Koshigaya right now?

The UV index in Koshigaya is currently 1.1 (low). Sun protection is recommended when the index is 3 or higher.

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