Koya weather live forecast

Today's maximum temperature in Koya is expected to be 19°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Saturday
3rd Oct
19

11

9

6
Sunday
4th Oct
17

14

0

2
Monday
5th Oct
18

14

0

2
Tuesday
6th Oct
18

13

3

2
Wednesday
7th Oct
17

10

5

5

5-day weather forecast updated at 04:02 on Saturday 3rd October 2026 GMT

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The 5-day weather forecast for Japan (Koya) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Koya weather forecast by day

Below are the detailed weather forecasts for Koya for the next 5 days.

Koya weather for Saturday 3rd October 2026

Expect scattered clouds in Koya, Japan with a maximum temperature of 19°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

19
°C maximum temperature
11
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from NE

Koya weather for Sunday 4th October 2026

Expect overcast with light rain in Koya, Japan with a maximum temperature of 17°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and little or no wind of 6 kph from the east.

17
°C maximum temperature
14
°C minimum temperature
overcast with light rain
0
hours of sunshine
2
UV index (Low)
52
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
6
kph wind from E

Koya weather for Monday 5th October 2026

Expect cloudy with some rain in Koya, Japan with a maximum temperature of 18°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 48% chance of some rain and little or no wind of 5 kph from the south-east.

18
°C maximum temperature
14
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
48
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
5
kph wind from SE

Koya weather for Tuesday 6th October 2026

Expect mostly cloudy with rain in Koya, Japan with a maximum temperature of 18°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a light breeze of 10 kph from the north.

18
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
46
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
10
kph wind from N

Koya weather for Wednesday 7th October 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.