Karatsu Weather Conditions

Current Temperature Level

patchy rain possible
28°C
28°C24°C
Pleasant

Patchy rain nearby

Feels Like 30°C

Chances of Rain18%

Good

25AQI

Humidity

70%

Nowpatchy rain possible28°18%5 PMpartly cloudy28°7%6 PMpartly cloudy28°7%7 PMpatchy rain possible26°23%8 PMclear26°10%9 PMclear25°10%10 PMclear25°11%11 PMpartly cloudy25°13%12 AMpartly cloudy24°14%1 AMpartly cloudy24°13%2 AMclear24°10%3 AMclear24°10%4 AMclear23°10%5 AMclear23°10%6 AMsunny23°10%7 AMsunny25°8%8 AMsunny26°6%9 AMsunny28°5%10 AMsunny29°4%11 AMpatchy rain possible30°13%12 PMpatchy rain possible29°12%1 PMpatchy rain possible29°12%2 PMpartly cloudy29°6%3 PMpatchy rain possible28°22%
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Light rain may develop in some areas.

Last Updated: 2026-08-13 16:00 (Local Time)

Karatsu Weather Parameters

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Karatsu 10-Days Weather Forecast

See Monthly
Today13 Aug.


Patchy rain nearby

Patchy rain nearby

Occasional light rain is expected and humidity will be 78%, with winds at 11.9 km/h.


temperature icon

28°C  /  24°C

temperature iconHumi.78 %
temperature iconPrec.6.25 mm


Sunrise icon

Sunrise

05:41 AM

13hrs 27min

Sunset icon

Sunset

07:08 PM
Temperature (°C)
.
12 AMTime11 PM

Time

Condition

Temperature IconTemp

Humidity IconHumidity

UV IconUV

Wind IconWind Speed & Dir.

12 AM

Patchy rain nearbyPatchy rain nearby

25 °C

87 %

0

10.1 kmph /  NE

Feels Like IconFeels 28 °C

Temperature IconCover 79 %

Visibility IconVisibility 10 km

1 AM

Patchy rain nearbyPatchy rain nearby

25 °C

87 %

0

7.9 kmph /  NE

Feels Like IconFeels 28 °C

Temperature IconCover 79 %

Visibility IconVisibility 10 km

2 AM

Patchy rain nearbyPatchy rain nearby

24 °C

87 %

0

7.2 kmph /  NE

Feels Like IconFeels 28 °C

Temperature IconCover 75 %

Visibility IconVisibility 9 km

3 AM

Light DrizzleLight Drizzle

24 °C

88 %

0

6.5 kmph /  NE

Feels Like IconFeels 28 °C

Temperature IconCover 78 %

Visibility IconVisibility 5 km

4 AM

Patchy rain nearbyPatchy rain nearby

24 °C

88 %

0

6.5 kmph /  ENE

Feels Like IconFeels 28 °C

Temperature IconCover 75 %

Visibility IconVisibility 9 km

5 AM

Light DrizzleLight Drizzle

24 °C

88 %

0

5.4 kmph /  ENE

Feels Like IconFeels 28 °C

Temperature IconCover 87 %

Visibility IconVisibility 5 km

6 AM

Patchy rain nearbyPatchy rain nearby

24 °C

87 %

0

5.4 kmph /  ESE

Feels Like IconFeels 28 °C

Temperature IconCover 71 %

Visibility IconVisibility 9 km

7 AM

Patchy rain nearbyPatchy rain nearby

25 °C

82 %

0.5

2.9 kmph /  SE

Feels Like IconFeels 29 °C

Temperature IconCover 86 %

Visibility IconVisibility 9 km

8 AM

Patchy rain nearbyPatchy rain nearby

27 °C

75 %

1.8

1.8 kmph /  SSE

Feels Like IconFeels 29 °C

Temperature IconCover 78 %

Visibility IconVisibility 10 km

9 AM

Light DrizzleLight Drizzle

28 °C

70 %

3.9

0.7 kmph /  W

Feels Like IconFeels 30 °C

Temperature IconCover 59 %

Visibility IconVisibility 5 km

10 AM

Patchy rain nearbyPatchy rain nearby

28 °C

70 %

6.2

3.6 kmph /  NW

Feels Like IconFeels 31 °C

Temperature IconCover 76 %

Visibility IconVisibility 9 km

11 AM

Patchy rain nearbyPatchy rain nearby

28 °C

70 %

7.8

6.1 kmph /  NW

Feels Like IconFeels 31 °C

Temperature IconCover 82 %

Visibility IconVisibility 9 km

12 PM

Patchy rain nearbyPatchy rain nearby

28 °C

70 %

9

9 kmph /  NW

Feels Like IconFeels 31 °C

Temperature IconCover 74 %

Visibility IconVisibility 9 km

1 PM

Light RainLight Rain

28 °C

70 %

8.2

11.9 kmph /  NW

Feels Like IconFeels 31 °C

Temperature IconCover 70 %

Visibility IconVisibility 9 km

2 PM

Patchy rain nearbyPatchy rain nearby

28 °C

71 %

7.3

11.2 kmph /  NW

Feels Like IconFeels 30 °C

Temperature IconCover 73 %

Visibility IconVisibility 9 km

3 PM

Patchy rain nearbyPatchy rain nearby

28 °C

71 %

5.3

11.2 kmph /  NW

Feels Like IconFeels 31 °C

Temperature IconCover 73 %

Visibility IconVisibility 9 km

4 PM

Patchy rain nearbyPatchy rain nearby

28 °C

70 %

3

8.3 kmph /  NW

Feels Like IconFeels 30 °C

Temperature IconCover 71 %

Visibility IconVisibility 10 km

5 PM

Partly CloudyPartly Cloudy

28 °C

68 %

1.2

7.6 kmph /  NW

Feels Like IconFeels 30 °C

Temperature IconCover 34 %

Visibility IconVisibility 10 km

6 PM

Partly CloudyPartly Cloudy

28 °C

70 %

0.3

7.6 kmph /  NNW

Feels Like IconFeels 30 °C

Temperature IconCover 29 %

Visibility IconVisibility 10 km

7 PM

Patchy rain nearbyPatchy rain nearby

26 °C

76 %

0

4.3 kmph /  NNW

Feels Like IconFeels 29 °C

Temperature IconCover 72 %

Visibility IconVisibility 10 km

8 PM

ClearClear

26 °C

80 %

0

1.4 kmph /  ENE

Feels Like IconFeels 29 °C

Temperature IconCover 11 %

Visibility IconVisibility 10 km

9 PM

ClearClear

25 °C

81 %

0

2.5 kmph /  S

Feels Like IconFeels 29 °C

Temperature IconCover 15 %

Visibility IconVisibility 10 km

10 PM

ClearClear

25 °C

81 %

0

5.4 kmph /  SSW

Feels Like IconFeels 28 °C

Temperature IconCover 21 %

Visibility IconVisibility 10 km

11 PM

Partly CloudyPartly Cloudy

25 °C

82 %

0

6.8 kmph /  SSW

Feels Like IconFeels 28 °C

Temperature IconCover 37 %

Visibility IconVisibility 10 km

Temp28 °C


ConditionPatchy rain nearby


Humidity70 %

Feels30 °C


Cover71 %


Visibility10 km

Wind Speed & Dir.8.3 kmph /  NW


UV3

Karatsu 30-Days (August 2026) Weather Forecast

See Hourly
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny33°26°
2
Sunny32°26°
3
Sunny33°27°
4
Patchy rain nearby32°27°
5
Patchy rain nearby31°27°
6
Sunny34°26°
7
Sunny34°27°
8
Sunny34°27°
9
Sunny33°26°
10
Partly Cloudy31°26°
11
Sunny29°24°
12
Patchy rain nearby28°24°
13Today
Patchy rain nearby28°24°
14
Sunny30°23°
15
Partly Cloudy29°24°
16
Patchy rain nearby26°22°
17
Patchy rain nearby30°23°
18
Sunny31°24°
19
Partly Cloudy31°25°
20
Sunny30°26°
21
Rain Showers30°25°
22
Rain Showers30°26°
23
Rain Showers30°25°
24
Rain Showers29°25°
25
Rain Showers29°25°
26
Rain Showers29°24°
27
Rain Showers29°24°
28
Rain Showers29°25°
29
Rain Showers29°24°
30
Rain Showers29°25°
31
Rain Showers28°24°

AugustWeather Overview

No. of days:

Sunny

Sunny

11

Cloudy

Cloudy

3

Rainy

Rainy

17

Snowy

Snowy

0


The monthly weather averages in Karatsu consist of 11 sunny days, 3 cloudy days, 17 rainy days, and 0 snowy days.

Japan's Hottest Cities - August 2026

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Last Updated: 13 Aug 2026, 07:29 AM

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FAQs About Karatsu Weather Conditions


1. What is the current temperature in Karatsu today - 13 August 2026?

The current temperature in Karatsu is 28°C, with a feels-like temperature of 30°C. Today's forecast shows a high of 28°C and a low of 24°C, giving a 4 degree swing through the day as of 04:00 PM 13 August 2026.

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

Here is a complete overview of Karatsu's current weather conditions as of 04:00 PM 13 August 2026: Condition : Patchy rain nearby Temperature : 28°C Pleasant (Feels like 30°C) Humidity : 70% Wind Speed : 8.3 km/h from NW (313 degrees), Gust 2.7 m/s UV Index : 3 (Moderate Air Pressure : 1003 mb Cloud Cover : 71% Visibility : 10 km Precipitation : 0.08 mm (76% chance of rain)

3. What is the 10-day weather forecast for Karatsu from 04:00 PM 13 August 2026?

From 04:00 PM 13 August 2026, Karatsu's 10-day forecast shows this trend: Today (Aug. 13) : Temp. 26°C, Hum. 78% and Patchy rain nearby condition. Friday (Aug. 14) : Temp. 26°C, Hum. 74% and Sunny condition. Saturday (Aug. 15) : Temp. 26°C, Hum. 75% and Partly Cloudy condition. Sunday (Aug. 16) : Temp. 25°C, Hum. 84% and Patchy rain nearby condition. Monday (Aug. 17) : Temp. 26°C, Hum. 80% and Patchy rain nearby condition. Tuesday (Aug. 18) : Temp. 27°C, Hum. 76% and Sunny condition. Wednesday (Aug. 19) : Temp. 28°C, Hum. 74% and Partly Cloudy condition. Thursday (Aug. 20) : Temp. 28°C, Hum. 79% and Sunny condition. Friday (Aug. 21) : Temp. 28°C, Hum. 81% and Rain Showers condition. Saturday (Aug. 22) : Temp. 27°C, Hum. 81% and Rain Showers condition.

4. Will it rain in Karatsu today?

As of 04:00 PM 13 August 2026, yes — Karatsu is currently experiencing rainfall with 0.08 mm of precipitation. This is expected to temporarily improve AQI by washing pollutants out of the atmosphere.

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

August 2026 in Karatsu is forecast to have 11 sunny days, 17 rainy days, 3 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 22°C to highs of 34°C.

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

Weather directly impacts air quality in Karatsu. 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.