Koya weather live forecast

Today's maximum temperature in Koya is expected to be 13°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Tuesday
3rd Nov
13

7

6

4
Wednesday
4th Nov
15

7

1

2
Thursday
5th Nov
18

13

3

3
Friday
6th Nov
15

7

3

4
Saturday
7th Nov
8

4

3

2

5-day weather forecast updated at 04:02 on Tuesday 3rd 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 Tuesday 3rd November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

13
°C maximum temperature
7
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
8
kph wind from N

Koya weather for Wednesday 4th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 15°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south-east.

15
°C maximum temperature
7
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
5
kph wind from SE

Koya weather for Thursday 5th November 2026

Expect isolated thunderstorms in Koya, Japan with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and little or no wind of 6 kph from the south-east.

18
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
3
UV index (Moderate)
65
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

Koya weather for Friday 6th November 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a light breeze of 12 kph from the north-west.

15
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
32
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from NW

Koya weather for Saturday 7th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 8°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.