- Clothing
- Waterproof jacket and umbrella strongly recommended.
Tomorrow's Weather Forecast - Medan
Tomorrow's weather in Medan. high 30°C (86°F), low 23°C (73°F). Thunderstorm.
Tomorrow’s Outlook
Tomorrow brings a similar temperature to today. Expect heavy rain in the afternoon and evening and night, with rain chances climbing as high as 92%. That risk lines up with humidity averaging 92% through the day the more moisture in the air, the more readily clouds build into showers. Humidity stays high near 92%, so it will feel muggier and stickier than the temperature alone suggests. Winds stay light and calm, rarely topping 8 km/h. Sunrise is at 6:17 AM and sunset at 6:25 PM, for about 12h 9m of daylight.
- Tomorrow
- 30°/ 23°
- Today30° / 24°
Tomorrow’s Hourly Weather Outlook
Morning6 AM – Noon26°
- Rain probability
- 31%
- Wind speed
- 8 km/h
AfternoonNoon – 6 PM28°
- Rain probability
- 92%
- Wind speed
- 8 km/h
Evening6 PM – Midn24°
- Rain probability
- 90%
- Wind speed
- 7 km/h
NightMidn – 6 AM24°
- Rain probability
- 76%
- Wind speed
- 5 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 5:47 AMTotal Daylight
Full day forecastSolar noon 12:21 PM
Sunset
Dusk 6:55 PMvs today0 min daylight
Sunrise shiftSame time
Sunset shift1 min earlier
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Medan is forecast to reach a high of 30°C tomorrow, with an overnight low around 23°C. That's 1° above the long-term average high of 29°C for this time of year. It continues a recent pattern — 13 of the last 19 days with published data have run warmer than normal. Expect a high chance of rain (92% probability) and a gentle breeze averaging 8 km/h. Air quality is currently Moderate (AQI 76), driven mainly by O₃ at 45 μg/m³.
Today vs Normal
30°C+1° above normal
The long-term average high for today is 29°C.
13 of the last 19 days with published data ran above normal.
It continues that pattern - today's forecast is also running above 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.