Weather in Yokohama - 14-day forecast

Detailed weather forecast for Yokohama, Japan: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Yokohama

today☁️ 28°💧 0.5 mm

Thu☁️ 26°💧 0.3 mm

Fri🌤️ 26°💧 0.4 mm

Sat☁️ 26°💧 69.8 mm

Sun🌧️ 26°💧 0.6 mm

Mon🌤️ 27°💧 0.6 mm

Tue☁️ 26°💧 0.2 mm

Wed☁️ 27°💧 6.4 mm

14-day forecast - Yokohama

📅 Yokohama 30 & 45-day weather - long-range outlook

Next 16 days · forecast

26°

around 24° at night · days with rain: 7

Weeks 3-4 · avg for July

29°

around 23° at night · rain chance 55%

Weeks 5-7 · avg for August

30°

around 25° at night · rain chance 42%

The 30 & 45-day outlook for Yokohama: the next 16 days are a numerical forecast updated daily - on average 26° by day and 24° at night. Further out we rely on multi-year climate averages: around 29° in July, and about 30° in August. Forecasts beyond two weeks are indicative only.

Day-by-day forecast for Yokohama

Wednesday8 July 2026

☁️28°broken clouds

sunrise 04:33 · sunset 19:00 · night 24° · evening 26° · rain 0.54 mm · humidity 66% · wind 5 m/s · clouds 74%

Thursday9 July 2026

☁️26°overcast clouds

sunrise 04:33 · sunset 18:59 · night 24° · evening 26° · rain 0.33 mm · humidity 71% · wind 7 m/s · clouds 86%

Friday10 July 2026

🌤️26°scattered clouds

sunrise 04:34 · sunset 18:59 · night 25° · evening 26° · rain 0.36 mm · humidity 72% · wind 8 m/s · clouds 32%

Saturday11 July 2026

☁️26°overcast clouds

sunrise 04:35 · sunset 18:59 · night 25° · evening 25° · rain 69.78 mm · humidity 76% · wind 9 m/s · clouds 100%

Sunday12 July 2026

🌧️26°light rain

sunrise 04:35 · sunset 18:58 · night 25° · evening 25° · rain 0.57 mm · humidity 76% · wind 8 m/s · clouds 92%

Monday13 July 2026

🌤️27°a few clouds

sunrise 04:36 · sunset 18:58 · night 25° · evening 25° · rain 0.6 mm · humidity 73% · wind 9 m/s · clouds 17%

Tuesday14 July 2026

☁️26°broken clouds

sunrise 04:36 · sunset 18:58 · night 25° · evening 25° · rain 0.15 mm · humidity 76% · wind 8 m/s · clouds 67%

Wednesday15 July 2026

☁️27°overcast clouds

sunrise 04:37 · sunset 18:57 · night 25° · evening 26° · rain 6.39 mm · humidity 70% · wind 6 m/s · clouds 91%

Thursday16 July 2026

☀️27°clear sky

sunrise 04:38 · sunset 18:57 · night 25° · evening 27° · rain 6.66 mm · humidity 59% · wind 5 m/s · clouds 5%

Friday17 July 2026

☀️28°clear sky

sunrise 04:38 · sunset 18:56 · night 25° · evening 27° · rain 0.48 mm · humidity 55% · wind 7 m/s · clouds 4%

Saturday18 July 2026

🌤️28°scattered clouds

sunrise 04:39 · sunset 18:56 · night 24° · evening 27° · rain 1.74 mm · humidity 59% · wind 8 m/s · clouds 32%

Sunday19 July 2026

☀️27°clear sky

sunrise 04:40 · sunset 18:55 · night 24° · evening 26° · rain 6.42 mm · humidity 58% · wind 7 m/s · clouds 1%

Monday20 July 2026

☁️25°broken clouds

sunrise 04:40 · sunset 18:55 · night 24° · evening 25° · humidity 63% · wind 6 m/s · clouds 72%

Tuesday21 July 2026

🌧️24°light rain

sunrise 04:41 · sunset 18:54 · night 24° · evening 24° · rain 1.5 mm · humidity 77% · wind 7 m/s · clouds 100%

Wednesday22 July 2026

🌧️22°moderate rain

sunrise 04:42 · sunset 18:53 · night 23° · evening 24° · rain 13.08 mm · humidity 88% · wind 6 m/s · clouds 100%

Thursday23 July 2026

🌧️26°light rain

sunrise 04:43 · sunset 18:53 · night 24° · evening 26° · rain 0.63 mm · humidity 62% · wind 7 m/s · clouds 69%

☀️ UV index in Yokohama - is it safe to sunbathe?

Today the UV index in Yokohama is 8 (high) - unprotected fair skin can burn in about 25 minutes. SPF 30-50, a hat and sunglasses are a must. Better stay in shade between 11:00 and 15:00.

🌊 Sea temperature - Yokohama

Water today

24°C

Week avg

25°C

Waves today

0.4 m

How's the water?

warm

16-day sea temperature forecast:

8.07 24°C9.07 25°C10.07 25°C11.07 25°C12.07 25°C13.07 25°C14.07 25°C15.07 26°C16.07 27°C

Average sea temperature through the year:

Jan 12°CFeb 12°CMar 13°CApr 16°CMay 19°CJun 22°CJul 27°CAug 29°CSep 27°COct 23°CNov 19°CDec 16°C

Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.

Air quality and smog in Yokohama

Air quality in Yokohama is currently good. Fine particulate PM2.5: 18.9 µg/m³, PM10: 22.9 µg/m³.

City	PM2.5 (µg/m³)	PM10 (µg/m³)	Air quality
Kōbe Shi	24.8	30.2	good
Yokohama	18.9	22.9	good
Osaka City	18.5	23.4	good
Sagamihara-shi	17.8	22.9	good
Nagoya	14.7	20.2	good
Saitama-shi	13.8	18.6	good
Kioto	13.3	17.5	good
Kitakyushu City	12.7	16.2	very good
Okayama Shi	11.5	15.4	very good
Chiba	11	14.8	very good
Fukuoka City	9.7	10.8	very good
Hiroshima City	9.4	12.5	very good
Sendai	9.1	12.8	very good
Kumamoto Shi	6.7	7.2	very good

Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-07-08, 10:00).

Yokohama weather through the year

Warmest, driest months on average: April, May, June, September.

🎉 Public holidays in Yokohama - when are the long weekends?

Next long weekend in Yokohama: Marine Day (20 July, Monday) - Saturday–Monday (3 days off).

20 JulyMonday

Marine Day

🎈 long weekend

11 AugustTuesday

Mountain Day

🎈 long weekend + bridge day

21 SeptemberMonday

Respect for the Aged Day

🎈 long weekend

23 SeptemberWednesday

Autumnal Equinox Day

12 OctoberMonday

Sports Day

🎈 long weekend

3 NovemberTuesday

Culture Day

🎈 long weekend + bridge day

23 NovemberMonday

Labour Thanksgiving Day

🎈 long weekend

1 JanuaryFriday 2027

New Year's Day

🎈 long weekend

11 JanuaryMonday 2027

Coming of Age Day

🎈 long weekend

11 FebruaryThursday 2027

Foundation Day

🎈 long weekend + bridge day

23 FebruaryTuesday 2027

The Emperor's Birthday

🎈 long weekend + bridge day

21 MarchSunday 2027

Vernal Equinox Day

falls on a weekend

Public holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave.

Nearby places

Tokyo

FAQ - Yokohama weather

What is the weather like in Yokohama today?

Today it is about 28° during the day and 24° at night, broken clouds.

How far ahead can I check the forecast for Yokohama?

This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.