Hamamatsu weather live forecast

Today's maximum temperature in Hamamatsu is expected to be 26°C. Select a day from the live weather forecast for Hamamatsu, Japan for more weather parameters.

Wednesday
17th Jun
26

20

5

8
Thursday
18th Jun
27

20

7

8
Friday
19th Jun
28

22

10

7
Saturday
20th Jun
25

22

0

1
Sunday
21st Jun
26

22

5

9

5-day weather forecast updated at 04:03 on Wednesday 17th June 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 17th June 2026

Expect mostly cloudy with rain in Hamamatsu, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 18 kph from the east.

26
°C maximum temperature
20
°C minimum temperature
mostly cloudy with rain
5
hours of sunshine
8
UV index (Very High)
92
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
18
kph wind from E

Hamamatsu weather for Thursday 18th June 2026

Expect isolated thunderstorms in Hamamatsu, Japan with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 40-50 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 13 kph from the east.

27
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
8
UV index (Very High)
24
% chance of some rain
<50
mm of rainfall expected
L
low heat & humidity
13
kph wind from E

Hamamatsu weather for Friday 19th June 2026

Expect scattered clouds in Hamamatsu, Japan with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

28
°C maximum temperature
22
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
13
kph wind from SW

Hamamatsu weather for Saturday 20th June 2026

Expect isolated thunderstorms in Hamamatsu, Japan with a maximum temperature of 25°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 50 mm or more of rainfall expected with 86% chance of some rain and a gentle breeze of 14 kph from the east.

25
°C maximum temperature
22
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
1
UV index (Low)
86
% chance of some rain
>50
mm or more of rainfall expected
25
°C wind chill
14
kph wind from E

Hamamatsu weather for Sunday 21st June 2026

Expect isolated thunderstorms in Hamamatsu, Japan with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 40-50 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 13 kph from the west.