Koya weather live forecast

Today's maximum temperature in Koya is expected to be 15°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Friday
6th Nov
15

8

4

4
Saturday
7th Nov
8

4

4

2
Sunday
8th Nov
10

4

3

4
Monday
9th Nov
12

7

1

4
Tuesday
10th Nov
8

3

4

4

5-day weather forecast updated at 04:02 on Thursday 5th November 2026 GMT

More about Koya

Koya by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Japan

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 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 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 20% chance of some rain and a light breeze of 12 kph from the north-west.

15
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
4
UV index (Moderate)
20
% chance of some rain
<5
mm of rainfall expected
15
°C wind chill
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 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

8
°C maximum temperature
4
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
13
kph wind from NW

Koya weather for Sunday 8th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north.

10
°C maximum temperature
4
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
9
°C wind chill
8
kph wind from N

Koya weather for Monday 9th November 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a light breeze of 8 kph from the north.

12
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
33
% chance of some rain
<2
mm of rainfall expected
12
°C wind chill
8
kph wind from N

Koya weather for Tuesday 10th November 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 8°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.