Koya weather live forecast

Today's maximum temperature in Koya is expected to be 48°F. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Tuesday
3rd Mar
48

41

0

2
Wednesday
4th Mar
39

30

2

3
Thursday
5th Mar
39

28

6

4
Friday
6th Mar
54

28

4

5
Saturday
7th Mar
41

30

4

5

5-day weather forecast updated at 04:04 on Monday 2nd March 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 March 2026

Expect cloudy with some rain in Koya, Japan with a maximum temperature of 48°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a light breeze of 7 mph from the south-east.

48
°F maximum temperature
41
°F minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
91
% chance of some rain
<20
mm of rainfall expected
45
°F wind chill
7
mph wind from SE

Koya weather for Wednesday 4th March 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 39°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a light breeze of 7 mph from the north-west.

39
°F maximum temperature
30
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
23
% chance of some rain
<2
mm of rainfall expected
34
°F wind chill
7
mph wind from NW

Koya weather for Thursday 5th March 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 39°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north.

39
°F maximum temperature
28
°F minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
36
°F wind chill
6
mph wind from N

Koya weather for Friday 6th March 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 54°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 60% chance of some rain and little or no wind of 3 mph from the south.

54
°F maximum temperature
28
°F minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
60
% chance of some rain
<2
mm of rainfall expected
54
°F wind chill
3
mph wind from S

Koya weather for Saturday 7th March 2026

Expect cloudy with sleet or snow in Koya, Japan with a maximum temperature of 41°F, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 62% chance of some sleet or snow and a light breeze of 6 mph from the north-west.