Koshigaya Weather Conditions

Current Temperature Level

partly cloudy
28°C
34°C27°C
Pleasant

Partly Cloudy

Feels Like 29°C

Chances of Rain6%

Good

44AQI

Humidity

55%

Nowpartly cloudy28°6%11 PMpartly cloudy28°8%12 AMlight rain shower27°18%1 AMpatchy light drizzle27°22%2 AMlight rain shower26°36%3 AMpatchy rain possible26°17%4 AMpartly cloudy26°10%5 AMpartly cloudy25°9%6 AMpartly cloudy26°9%7 AMpartly cloudy27°9%8 AMcloudy28°12%9 AMcloudy29°12%10 AMpatchy rain possible29°12%11 AMpatchy rain possible30°12%12 PMovercast31°12%1 PMpatchy rain possible32°13%2 PMcloudy31°7%3 PMpartly cloudy31°5%4 PMovercast30°10%5 PMpatchy rain possible29°9%6 PMcloudy27°11%7 PMpatchy rain possible26°15%8 PMlight rain shower25°32%9 PMpatchy rain possible25°22%
.

It may stay partly cloudy and comfortable.

Last Updated: 2026-08-09 22:30 (Local Time)

Koshigaya Weather Parameters

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Koshigaya 10-Days Weather Forecast

See Monthly
Today9 Aug.


Partly Cloudy

Partly Cloudy

Periodic cloud cover with temperature at 30 °C. Humidity will be at 55%, and winds will be at 18.7 km/h.


temperature icon

34°C  /  27°C

temperature iconHumi.55 %
temperature iconPrec.0.2 mm


Sunrise icon

Sunrise

04:55 AM

13hrs 43min

Sunset icon

Sunset

06:38 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

ClearClear

28 °C

63 %

0

11.2 kmph /  SSE

Feels Like IconFeels 30 °C

Temperature IconCover 12 %

Visibility IconVisibility 10 km

1 AM

ClearClear

28 °C

66 %

0

9.4 kmph /  SSE

Feels Like IconFeels 30 °C

Temperature IconCover 12 %

Visibility IconVisibility 10 km

2 AM

ClearClear

28 °C

68 %

0

7.6 kmph /  SSE

Feels Like IconFeels 29 °C

Temperature IconCover 16 %

Visibility IconVisibility 10 km

3 AM

ClearClear

27 °C

69 %

0

7.2 kmph /  SSE

Feels Like IconFeels 29 °C

Temperature IconCover 12 %

Visibility IconVisibility 10 km

4 AM

ClearClear

27 °C

70 %

0

6.1 kmph /  SE

Feels Like IconFeels 29 °C

Temperature IconCover 15 %

Visibility IconVisibility 10 km

5 AM

SunnySunny

27 °C

71 %

0

6.8 kmph /  ESE

Feels Like IconFeels 29 °C

Temperature IconCover 9 %

Visibility IconVisibility 10 km

6 AM

SunnySunny

27 °C

69 %

0.3

5.8 kmph /  SE

Feels Like IconFeels 29 °C

Temperature IconCover 12 %

Visibility IconVisibility 10 km

7 AM

SunnySunny

28 °C

65 %

1

6.1 kmph /  SE

Feels Like IconFeels 29 °C

Temperature IconCover 15 %

Visibility IconVisibility 10 km

8 AM

Partly CloudyPartly Cloudy

28 °C

60 %

2.2

3.2 kmph /  ESE

Feels Like IconFeels 30 °C

Temperature IconCover 30 %

Visibility IconVisibility 10 km

9 AM

Partly CloudyPartly Cloudy

29 °C

55 %

3.9

5 kmph /  ESE

Feels Like IconFeels 31 °C

Temperature IconCover 27 %

Visibility IconVisibility 10 km

10 AM

Partly CloudyPartly Cloudy

30 °C

51 %

5.4

5.4 kmph /  E

Feels Like IconFeels 32 °C

Temperature IconCover 30 %

Visibility IconVisibility 10 km

11 AM

Partly CloudyPartly Cloudy

31 °C

48 %

7.2

5.4 kmph /  E

Feels Like IconFeels 32 °C

Temperature IconCover 39 %

Visibility IconVisibility 10 km

12 PM

Partly CloudyPartly Cloudy

32 °C

45 %

7.3

5.4 kmph /  ESE

Feels Like IconFeels 33 °C

Temperature IconCover 27 %

Visibility IconVisibility 10 km

1 PM

SunnySunny

33 °C

43 %

6.2

6.5 kmph /  ESE

Feels Like IconFeels 34 °C

Temperature IconCover 21 %

Visibility IconVisibility 10 km

2 PM

Partly CloudyPartly Cloudy

34 °C

41 %

5

5.4 kmph /  ESE

Feels Like IconFeels 35 °C

Temperature IconCover 30 %

Visibility IconVisibility 10 km

3 PM

Partly CloudyPartly Cloudy

34 °C

41 %

3

4.3 kmph /  E

Feels Like IconFeels 36 °C

Temperature IconCover 53 %

Visibility IconVisibility 10 km

4 PM

CloudyCloudy

34 °C

41 %

1.3

5 kmph /  ENE

Feels Like IconFeels 35 °C

Temperature IconCover 64 %

Visibility IconVisibility 10 km

5 PM

CloudyCloudy

33 °C

42 %

0.4

11.9 kmph /  E

Feels Like IconFeels 35 °C

Temperature IconCover 64 %

Visibility IconVisibility 10 km

6 PM

Partly CloudyPartly Cloudy

32 °C

44 %

0.1

18.4 kmph /  ESE

Feels Like IconFeels 32 °C

Temperature IconCover 54 %

Visibility IconVisibility 10 km

7 PM

Light DrizzleLight Drizzle

30 °C

47 %

0

18.7 kmph /  ESE

Feels Like IconFeels 31 °C

Temperature IconCover 68 %

Visibility IconVisibility 5 km

8 PM

Partly CloudyPartly Cloudy

29 °C

52 %

0

17.3 kmph /  ESE

Feels Like IconFeels 30 °C

Temperature IconCover 56 %

Visibility IconVisibility 10 km

9 PM

Partly CloudyPartly Cloudy

28 °C

53 %

0

14.4 kmph /  ESE

Feels Like IconFeels 29 °C

Temperature IconCover 38 %

Visibility IconVisibility 10 km

10 PM

Partly CloudyPartly Cloudy

28 °C

55 %

0

13 kmph /  ESE

Feels Like IconFeels 29 °C

Temperature IconCover 49 %

Visibility IconVisibility 10 km

11 PM

Partly CloudyPartly Cloudy

28 °C

57 %

0

10.4 kmph /  E

Feels Like IconFeels 29 °C

Temperature IconCover 62 %

Visibility IconVisibility 10 km

Temp28 °C


ConditionPartly Cloudy


Humidity55 %

Feels29 °C


Cover49 %


Visibility10 km

Wind Speed & Dir.13 kmph /  ESE


UV0

Koshigaya 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny38°27°
2
Patchy rain nearby35°25°
3
Patchy rain nearby26°24°
4
Sunny31°22°
5
Partly Cloudy32°23°
6
Patchy rain nearby34°26°
7
Sunny35°27°
8
Sunny36°27°
9Today
Partly Cloudy34°27°
10
Patchy rain nearby32°24°
11
Partly Cloudy30°23°
12
Patchy rain nearby25°23°
13
Patchy rain nearby30°23°
14
Patchy rain nearby28°23°
15
Rain24°22°
16
Rain Shower24°22°
17
Rain Showers32°25°
18
Rain Showers32°25°
19
Rain Showers32°25°
20
Rain Showers31°25°
21
Rain Showers32°25°
22
Rain Showers32°25°
23
Rain Showers32°25°
24
Rain Showers32°25°
25
Heavy Rain31°24°
26
Rain Showers31°24°
27
Rain Showers31°24°
28
Rain Showers30°23°
29
Rain Showers31°24°
30
Rain Showers31°24°
31
Rain Showers30°24°

AugustWeather Overview

No. of days:

Sunny

Sunny

4

Cloudy

Cloudy

3

Rainy

Rainy

23

Snowy

Snowy

0


The monthly weather averages in Koshigaya consist of 4 sunny days, 3 cloudy days, 23 rainy days, and 0 snowy days.

Koshigaya's Locations Weather Conditions


Locations
Temp
Condition
Humi.
UV
Wind Speed & Direction
28 °C
partly cloudyPartly Cloudy
57%
0

12.2 kmph /  ESE

28 °C
partly cloudyPartly Cloudy
55%
0

13 kmph /  ESE

Japan's Hottest Cities - August 2026

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Last Updated: 09 Aug 2026, 01:44 PM

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FAQs About Koshigaya Weather Conditions


1. What is the current temperature in Koshigaya today - 09 August 2026?

The current temperature in Koshigaya is 28°C, with a feels-like temperature of 29°C. Today's forecast shows a high of 34°C and a low of 27°C, giving a 7 degree swing through the day as of 10:30 PM 09 August 2026.

2. What are the current weather parameters in Koshigaya today?

Here is a complete overview of Koshigaya's current weather conditions as of 10:30 PM 09 August 2026: Condition : Partly Cloudy Temperature : 28°C Pleasant (Feels like 29°C) Humidity : 55% Wind Speed : 13 km/h from ESE (108 degrees), Gust 4.6 m/s UV Index : 0 (Low Air Pressure : 1007 mb Cloud Cover : 49% Visibility : 10 km Precipitation : 0 mm (17% chance of rain)

3. What is the 10-day weather forecast for Koshigaya from 10:30 PM 09 August 2026?

From 10:30 PM 09 August 2026, Koshigaya's 10-day forecast shows this trend: Today (Aug. 9) : Temp. 30°C, Hum. 55% and Partly Cloudy condition. Monday (Aug. 10) : Temp. 28°C, Hum. 61% and Patchy rain nearby condition. Tuesday (Aug. 11) : Temp. 26°C, Hum. 67% and Partly Cloudy condition. Wednesday (Aug. 12) : Temp. 24°C, Hum. 84% and Patchy rain nearby condition. Thursday (Aug. 13) : Temp. 26°C, Hum. 74% and Patchy rain nearby condition. Friday (Aug. 14) : Temp. 25°C, Hum. 84% and Patchy rain nearby condition. Saturday (Aug. 15) : Temp. 23°C, Hum. 84% and Rain condition. Sunday (Aug. 16) : Temp. 23°C, Hum. 92% and Rain Shower condition. Monday (Aug. 17) : Temp. 28°C, Hum. 71% and Rain Showers condition. Tuesday (Aug. 18) : Temp. 28°C, Hum. 71% and Rain Showers condition.

4. Will it rain in Koshigaya today?

As of 10:30 PM 09 August 2026, there is a 8% chance of rainfall in Koshigaya later today around 2026-08-09 23:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.

5. What is the monthly weather forecast for Koshigaya in August 2026?

August 2026 in Koshigaya is forecast to have 4 sunny days, 23 rainy days, 3 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 22°C to highs of 38°C.

6. How does the weather in Koshigaya affect air quality?

Weather directly impacts air quality in Koshigaya. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.