Hamamatsu weather live forecast

Today's maximum temperature in Hamamatsu is expected to be 24°C. Select a day from the live weather forecast for Hamamatsu, Japan for more weather parameters.

Wednesday
20th May
24

19

0

UV6
Thursday
21st May
23

20

0

UV2
Friday
22nd May
21

18

1

UV7
Saturday
23rd May
22

18

1

UV7
Sunday
24th May
24

19

1

UV8

5-day weather forecast updated at 04:03 on Tuesday 19th May 2026 GMT

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The 5-day weather forecast for Japan (Hamamatsu) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hamamatsu weather forecast by day

Below are the detailed weather forecasts for Hamamatsu for the next 5 days.

Hamamatsu weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Hamamatsu, Japan with a maximum temperature of 24°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 73% chance of some rain and a light breeze of 12 kph from the east.

24
°C maximum temperature
19
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
UV6
UV index (High)
73
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
12
kph wind from E

Hamamatsu weather for Thursday 21st May 2026

Expect isolated thunderstorms in Hamamatsu, Japan with a maximum temperature of 23°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 96% chance of some rain and a gentle breeze of 13 kph from the south-west.

23
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
UV2
UV index (Low)
96
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
13
kph wind from SW

Hamamatsu weather for Friday 22nd May 2026

Expect mostly cloudy with rain in Hamamatsu, Japan with a maximum temperature of 21°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 54% chance of some rain and a light breeze of 11 kph from the east.

21
°C maximum temperature
18
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
UV7
UV index (High)
54
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
11
kph wind from E

Hamamatsu weather for Saturday 23rd May 2026

Expect mostly cloudy with light rain in Hamamatsu, Japan with a maximum temperature of 22°C, maximum UV of 7 (High) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 18 kph from the east.

22
°C maximum temperature
18
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV7
UV index (High)
33
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
18
kph wind from E

Hamamatsu weather for Sunday 24th May 2026

Expect mostly cloudy with rain in Hamamatsu, Japan with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 14 kph from the east.