Koya weather live forecast

Today's maximum temperature in Koya is expected to be 30°F. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Thursday
29th Jan
30

25

3

2
Friday
30th Jan
28

23

1

3
Saturday
31st Jan
28

23

3

2
Sunday
1st Feb
36

23

8

3
Monday
2nd Feb
34

25

6

3

5-day weather forecast updated at 04:03 on Wednesday 28th January 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 Thursday 29th January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 30°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 6 mph from the north-west.

30
°F maximum temperature
25
°F minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
cm of snow expected
23
°F wind chill
6
mph wind from NW

Koya weather for Friday 30th January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 28°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 6 mph from the north-west.

28
°F maximum temperature
23
°F minimum temperature
broken clouds
1
hour of sunshine
3
UV index (Moderate)
0
cm of snow expected
23
°F wind chill
6
mph wind from NW

Koya weather for Saturday 31st January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 28°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 4 mph from the north-west.

28
°F maximum temperature
23
°F minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
cm of snow expected
25
°F wind chill
4
mph wind from NW

Koya weather for Sunday 1st February 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 36°F, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the north-west.

36
°F maximum temperature
23
°F minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
32
°F wind chill
4
mph wind from NW

Koya weather for Monday 2nd February 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 34°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the west.