Koya weather live forecast

Today's maximum temperature in Koya is expected to be -2°C. Select a day from the live weather forecast for Koya, Japan for more weather parameters.

Monday
26th Jan
-2

-7

7

2
Tuesday
27th Jan
2

-5

3

2
Wednesday
28th Jan
0

-5

1

2
Thursday
29th Jan
0

-5

1

2
Friday
30th Jan
-2

-6

0

3

5-day weather forecast updated at 04:03 on Sunday 25th 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 Monday 26th January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of -2°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 kph from the north.

-2
°C maximum temperature
-7
°C minimum temperature
broken clouds
7
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-4
°C wind chill
7
kph wind from N

Koya weather for Tuesday 27th January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 2°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the north-west.

2
°C maximum temperature
-5
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
°C wind chill
8
kph wind from NW

Koya weather for Wednesday 28th January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 0°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 7 kph from the north.

0
°C maximum temperature
-5
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
cm of snow expected
-3
°C wind chill
7
kph wind from N

Koya weather for Thursday 29th January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of 0°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the north-west.

0
°C maximum temperature
-5
°C minimum temperature
broken clouds
1
hour of sunshine
2
UV index (Low)
0
cm of snow expected
-3
°C wind chill
9
kph wind from NW

Koya weather for Friday 30th January 2026

Expect broken clouds in Koya, Japan with a maximum temperature of -2°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 cm of snow expected and a light breeze of 9 kph from the north-west.