Koya weather live forecast

Today's maximum temperature in Koya is expected to be 10°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Wednesday
11th Nov
10

1

10

4
Thursday
12th Nov
15

4

5

3
Friday
13th Nov
16

8

5

3
Saturday
14th Nov
16

8

2

3
Sunday
15th Nov
15

12

1

2

5-day weather forecast updated at 04:02 on Tuesday 10th November 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 Wednesday 11th November 2026

Expect clear skies in Koya, Japan with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

10
°C maximum temperature
1
°C minimum temperature
clear skies
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from N

Koya weather for Thursday 12th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

15
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
4
kph wind from S

Koya weather for Friday 13th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south.

16
°C maximum temperature
8
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
4
kph wind from S

Koya weather for Saturday 14th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 16°C, maximum UV of 3 (Moderate) 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.

16
°C maximum temperature
8
°C minimum temperature
broken clouds
2
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
kph wind from SE

Koya weather for Sunday 15th November 2026

Expect isolated thunderstorms in Koya, Japan with a maximum temperature of 15°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 98% chance of some rain and little or no wind of 6 kph from the south.