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.

Monday
16th Nov
10

4

2

2
Tuesday
17th Nov
13

3

2

3
Wednesday
18th Nov
14

8

1

3
Thursday
19th Nov
7

3

3

3
Friday
20th Nov
3

1

4

3

5-day weather forecast updated at 04:02 on Sunday 15th 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 Monday 16th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 10°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north.

10
°C maximum temperature
4
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from N

Koya weather for Tuesday 17th November 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and little or no wind of 5 kph from the south-east.

13
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
55
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
5
kph wind from SE

Koya weather for Wednesday 18th November 2026

Expect mostly cloudy with rain in Koya, Japan with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a light breeze of 10 kph from the west.

14
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
3
UV index (Moderate)
91
% chance of some rain
<10
mm of rainfall expected
14
°C wind chill
10
kph wind from W

Koya weather for Thursday 19th November 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 13 kph from the west.

7
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
62
% chance of some rain
<2
mm of rainfall expected
5
°C wind chill
13
kph wind from W

Koya weather for Friday 20th November 2026

Expect mostly cloudy with light snow in Koya, Japan with a maximum temperature of 3°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 75% chance of some snow and a gentle breeze of 16 kph from the west.