Koya weather live forecast

Today's maximum temperature in Koya is expected to be 16°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Tuesday
6th Oct
16

12

3

6
Wednesday
7th Oct
16

10

5

6
Thursday
8th Oct
19

10

6

5
Friday
9th Oct
21

13

6

6
Saturday
10th Oct
21

11

2

6

5-day weather forecast updated at 04:02 on Tuesday 6th 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 Tuesday 6th October 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 16°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

16
°C maximum temperature
12
°C minimum temperature
broken clouds
3
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
16
°C wind chill
11
kph wind from N

Koya weather for Wednesday 7th October 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 16°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

16
°C maximum temperature
10
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from N

Koya weather for Thursday 8th October 2026

Expect scattered clouds in Koya, Japan with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 6 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
10
°C minimum temperature
scattered clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from NE

Koya weather for Friday 9th October 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 21°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

21
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
5
kph wind from SE

Koya weather for Saturday 10th October 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 21°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.