Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Sunday 15. Nov 2026

  • 30°C
  • 25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 13mm
  • Wind: 11km/hSW 233°
  • Humidity: 84%
  • UV index: 7
  • Sunrise: 05:24 WIB
  • Sunset: 17:30 WIB
  • ▼
On Sunday, 15th of November, the forecast includes possible thunderstorms.
With a high probability, moderate precipitation is expected for tomorrow. A subtle difference will be noticeable between the daytime peak temperature of a humid 30°C and the nighttime low of a warm 25°C.
The maximum heat index, which integrates air moisture with ambient temperature, is computed to be a steamy 39°C. Note that heat index values are valued for light wind and location in the shade. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow's temperature is predicted to match November's standard peak of 31.2°C.
Sunrise will be at 05:24 and sunset at 17:30; tomorrow's daylight will last for 12h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 36°C.
Coldest period: 3h - 6h 29°C.

Chance of precipitation

Highest chance: 12h 62%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 4km/hN 0°
  • Humidity: 94%
  • Pressure: 1011mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 3km/hS 185°
  • Humidity: 95%
  • Pressure: 1010mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 3km/hESE 107°
  • Humidity: 97%
  • Pressure: 1010mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunrise: 05:24
  • 6h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 3km/hE 83°
  • Humidity: 95%
  • Pressure: 1011mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
  • 8h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 2mm
  • Wind: 5km/hSE 130°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 10h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 43%
  • Precipitation: 1mm
  • Wind: 6km/hSSE 151°
  • Humidity: 81%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 12h
  • 30°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 2mm
  • Wind: 10km/hW 261°
  • Humidity: 79%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 7
  • ▼
  • 14h
  • 29°C
  • Feels like:
    35°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 1mm
  • Wind: 11km/hW 273°
  • Humidity: 82%
  • Pressure: 1008mbar
  • Visibility: 10km
  • UV index: 4
  • ▼
  • 16h
  • 28°C
  • Feels like:
    34°C
Showers
Showers
  • Precip. probability: 51%
  • Precipitation: 1mm
  • Wind: 9km/hW 266°
  • Humidity: 84%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
Sunset: 17:30
  • 18h
  • 27°C
  • Feels like:
    32°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 6km/hW 263°
  • Humidity: 88%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 20%
  • Precipitation: 0mm
  • Wind: 5km/hWNW 298°
  • Humidity: 89%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    31°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 3km/hWNW 283°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
Tomorrow, a combination of cloudy, stormy and showery weather is anticipated.
Rainfall is predicted from midnight to 3h, and from 8h to 17h, 22h and at 23h. With light precipitation of 2mm, the most intense rain will be falling at 8h, 12h and 13h.
The temperature will be between the lowest temperature of 25°C and the highest temperature of 30°C. The feels-like temperature will be between a minimum of 28°C and a maximum of 36°C. The hottest part of the day will be at 11h and 12h.
The highest temperature tomorrow will be in line with November's typical maximum. Tomorrow, the night is expected to be also close to the typical November low of 24.2°C.
Updated: Nov 13, 2026 @ 21:27:59 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, stormy skies are anticipated.

With a probability of 64%, moderate precipitation of 13mm is forecasted.

Tomorrow, the maximum temperature will be 30°C, while the minimum temperature will be 25°C. The maximum heat index, which combines air temperature and relative humidity, is appraised at 39°C.
The maximum temperature tomorrow will be in line with the average highest temperature in November. The lowest temperature will be also in line with the average low of 24.2°C.

On Sunday, in Siantan, sunrise will be at 05:24 and sunset at 17:30 (WIB).

In Siantan, the length of the day tomorrow will be 12h and 7min.