- Clothing
- Light waterproof jacket with an umbrella is a smart choice.
Tomorrow's Weather Forecast - Tokyo
Tomorrow's weather in Tokyo. high 25°C (77°F), low 19°C (66°F). Rainy.
Tomorrow’s Outlook
Tomorrow will be 5°C warmer than today. Showers are likely in the night, with rain probability peaking near 65%. 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 5 km/h. Sunrise is at 5:21 AM and sunset at 5:53 PM, for about 12h 32m of daylight.
- Tomorrow
- 25°/ 19°
- Today20° / 19°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon21°
- Rain probability
- 41%
- Wind speed
- 5 km/h
AfternoonNoon – 6 PM24°
- Rain probability
- 16%
- Wind speed
- 5 km/h
Evening6 PM – Midn23°
- Rain probability
- 5%
- Wind speed
- 4 km/h
NightMidn – 6 AM19°
- Rain probability
- 65%
- Wind speed
- 4 km/h
24-Hour Rain & Temperature Forecast
Tomorrow12 Sep
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Planning Advice for Tomorrow
- Outdoor
- Outdoor plans may need flexibility; showers are likely.
- Travel
- Wet roads may slow traffic; allow a little 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 shift1 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Tokyo is forecast to reach a high of 25°C tomorrow, with an overnight low around 19°C. That's 3° below the long-term average high of 28°C for this time of year. It continues a recent pattern — 9 of the last 28 days with published data have run cooler than normal. Expect a high chance of rain (65% probability) and light winds averaging 5 km/h. Air quality is currently Moderate (AQI 85), driven mainly by PM2.5 at 28 μg/m³.
Today vs Normal
20°C-8° below normal
The long-term average high for today is 28°C.
9 of the last 28 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.