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.

Friday
30th Oct
16

10

2

3
Saturday
31st Oct
13

8

5

4
Sunday
1st Nov
15

6

6

4
Monday
2nd Nov
16

9

3

1
Tuesday
3rd Nov
13

7

5

4

5-day weather forecast updated at 04:02 on Friday 30th 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 Friday 30th October 2026

Expect mostly cloudy with rain in Koya, Japan with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 100% chance of some rain and little or no wind of 6 kph from the south.

16
°C maximum temperature
10
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
100
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
6
kph wind from S

Koya weather for Saturday 31st October 2026

Expect sunshine and showers in Koya, Japan with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and a light breeze of 12 kph from the north-west.

13
°C maximum temperature
8
°C minimum temperature
sunshine and showers
5
hours of sunshine
4
UV index (Moderate)
12
% chance of some rain
<2
mm of rainfall expected
13
°C wind chill
12
kph wind from NW

Koya weather for Sunday 1st November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 15°C, maximum UV of 4 (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-west.

15
°C maximum temperature
6
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from NW

Koya weather for Monday 2nd November 2026

Expect mostly cloudy with rain in Koya, Japan with a maximum temperature of 16°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a light breeze of 10 kph from the south.

16
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
10
kph wind from S

Koya weather for Tuesday 3rd November 2026

Expect sunshine and showers in Koya, Japan with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 8% chance of some rain and a light breeze of 10 kph from the north.