Koya weather live forecast

Today's maximum temperature in Koya is expected to be 12°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Monday
2nd Mar
12

1

1

4
Tuesday
3rd Mar
9

5

0

2
Wednesday
4th Mar
4

-1

2

3
Thursday
5th Mar
4

-2

6

4
Friday
6th Mar
12

-2

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 Monday 2nd March 2026

Expect mostly cloudy with rain in Koya, Japan with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and little or no wind of 6 kph from the south-east.

12
°C maximum temperature
1
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
4
UV index (Moderate)
90
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
6
kph wind from SE

Koya weather for Tuesday 3rd March 2026

Expect cloudy with some rain in Koya, Japan with a maximum temperature of 9°C, 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 11 kph from the south-east.

9
°C maximum temperature
5
°C minimum temperature
cloudy with some rain
0
hours of sunshine
2
UV index (Low)
91
% chance of some rain
<20
mm of rainfall expected
7
°C wind chill
11
kph wind from SE

Koya weather for Wednesday 4th March 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 4°C, 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 11 kph from the north-west.

4
°C maximum temperature
-1
°C 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
1
°C wind chill
11
kph wind from NW

Koya weather for Thursday 5th March 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 4°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north.

4
°C maximum temperature
-2
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
2
°C wind chill
9
kph wind from N

Koya weather for Friday 6th March 2026

Expect mostly cloudy with light rain in Koya, Japan with a maximum temperature of 12°C, 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 5 kph from the south.