- Clothing
- Waterproof jacket and umbrella strongly recommended.
Tomorrow's Weather Forecast - Yokohama
Tomorrow's weather in Yokohama. high 24°C (75°F), low 20°C (68°F). Rainy.
Tomorrow’s Outlook
Tomorrow will be 4°C warmer than today. Expect heavy rain in the night, with rain chances climbing as high as 72%. That risk lines up with humidity averaging 89% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 89%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 10 km/h. Sunrise is at 5:21 AM and sunset at 5:53 PM, for about 12h 32m of daylight.
- Tomorrow
- 24°/ 20°
- Today20° / 19°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon21°
- Rain probability
- 41%
- Wind speed
- 10 km/h
AfternoonNoon – 6 PM24°
- Rain probability
- 6%
- Wind speed
- 9 km/h
Evening6 PM – Midn23°
- Rain probability
- 0%
- Wind speed
- 7 km/h
NightMidn – 6 AM20°
- Rain probability
- 72%
- Wind speed
- 10 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Not ideal for outdoor plans or car washes — heavy rain expected.
- Travel
- Expect traffic slowdowns from wet roads. Allow extra time.
Sunrise & Sunset
Sunrise
Dawn 4:51 AMTotal Daylight
Full day forecastSolar noon 11:37 AM
Sunset
Dusk 6:23 PMvs today-2 min daylight
Sunrise shift1 min later
Sunset shift2 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Yokohama is forecast to reach a high of 24°C tomorrow, with an overnight low around 20°C. That's 3° below the long-term average high of 27°C for this time of year. It continues a recent pattern — 7 of the last 19 days with published data have run cooler than normal. Expect a high chance of rain (72% probability) and a gentle breeze averaging 10 km/h. Air quality is currently Moderate (AQI 84), driven mainly by PM2.5 at 29 μg/m³.
Today vs Normal
20°C-7° below normal
The long-term average high for today is 27°C.
7 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running below normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air Quality
Moderate
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.