World Resorts

Japan

Hakone Weather

Hakone 14 Days Forecast

29.08
sat

Day

75°F

SW 9 mph

Precip.
39%

Night

72°F

S 11 mph

Precip.
40%

30.08
sun

Day

73°F

SW 4 mph

Precip.
23%

Night

79°F

NE 2 mph

Precip.
13%

31.08
mon

Day

82°F

N 10 mph

Precip.
19%

Night

79°F

E 4 mph

Precip.
26%

01.09
tue

Day

82°F

N 7 mph

Precip.
18%

Night

79°F

NE 4 mph

Precip.
47%

02.09
wed

Day

81°F

N 9 mph

Precip.
7%

Night

77°F

E 6 mph

Precip.
9%

03.09
thu

Day

82°F

N 14 mph

Precip.
20%

Night

79°F

E 6 mph

Precip.
10%

04.09
fri

Day

77°F

S 5 mph

Precip.
59%

Night

70°F

S 16 mph

Precip.
83%

05.09
sat

Day

66°F

S 16 mph

Precip.
82%

Night

70°F

S 14 mph

Precip.
22%

06.09
sun

Day

73°F

NE 2 mph

Precip.
28%

Night

75°F

NE 4 mph

Precip.
25%

07.09
mon

Day

82°F

N 10 mph

Precip.
7%

Night

79°F

NE 8 mph

Precip.
27%

08.09
tue

Day

84°F

N 14 mph

Precip.
19%

Night

77°F

NE 12 mph

Precip.
21%

09.09
wed

Day

77°F

NE 9 mph

Precip.
67%

Night

79°F

SE 3 mph

Precip.
11%

10.09
thu

Day

79°F

S 9 mph

Precip.
15%

Night

77°F

SW 5 mph

Precip.
33%

11.09
fri

Day

79°F

NW 7 mph

Precip.
7%

Night

77°F

E 1 mph

Precip.
8%

sea water
temperature

Hakone

monthly
weather

Hakone

current
weather

Hakone

7 days
forecast

Hakone

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May
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September
October
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Show year:

2026

2025

2024

The average sea water temperature in August of 2026 was 81.2°F. The highest and lowest sea temperatures during the month were 82.0°F and 80.1°F.

Show year:

2025

2024

2023

The average sea water temperature in September of 2025 was 79.4°F. The highest and lowest sea temperatures during the month were 81.9°F and 75.7°F.