Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Sunday 15. Nov 2026

  • 29°C
  • 25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 17mm
  • Wind: 11km/hSW 226°
  • Humidity: 85%
  • UV index: 7
  • Sunrise: 05:24 WIB
  • Sunset: 17:30 WIB
  • ▼
On Sunday, in Siantan, rolling thunder and rain showers are also in the outlook.
The likelihood of rainfall for tomorrow is high, and precipitation will be moderate. A modest temperature shift from a temperate 29°C at its peak to a warm 25°C at its lowest point is predicted.
The maximum heat index, which represents the influence of relative humidity on air temperature, is appraised at a fiery hot 36°C. Note that heat index values are valued for light wind and location in the shade. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The expected high will be relatively lower than November's standard temperature 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: 15h 61%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 4km/hWNW 282°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 2h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 4km/hNW 310°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 44%
  • Precipitation: 1mm
  • Wind: 4km/hSSE 153°
  • Humidity: 95%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunrise: 05:24
  • 6h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 1mm
  • Wind: 4km/hESE 109°
  • Humidity: 95%
  • Pressure: 1011mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 8h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 1mm
  • Wind: 5km/hSSE 166°
  • Humidity: 90%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 2
  • ▼
  • 10h
  • 29°C
  • Feels like:
    34°C
Thunderstorms
Thunderstorms
  • Precip. probability: 61%
  • Precipitation: 3mm
  • Wind: 6km/hS 187°
  • Humidity: 82%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 6
  • ▼
  • 12h
  • 29°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 1mm
  • Wind: 9km/hWSW 243°
  • Humidity: 81%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 7
  • ▼
  • 14h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 58%
  • Precipitation: 1mm
  • Wind: 11km/hW 260°
  • Humidity: 81%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 16h
  • 28°C
  • Feels like:
    33°C
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 1mm
  • Wind: 10km/hWSW 253°
  • Humidity: 85%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
Sunset: 17:30
  • 18h
  • 27°C
  • Feels like:
    32°C
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 6km/hW 261°
  • Humidity: 88%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Few Showers
Few Showers
  • Precip. probability: 34%
  • Precipitation: 1mm
  • Wind: 5km/hWNW 290°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 12km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hW 270°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of wet, cloudy and unstable weather is anticipated.
Rainfall is expected from midnight to 2h, and from 4h to 20h and at 23h. With light precipitation of 3mm, most rainfall is expected at 10h.
The temperature will vary between the lowest temperature of 25°C and the highest temperature of 29°C. The feels-like temperature will be between a minimum of 29°C and a maximum of 36°C. The hottest part of the day will be from 10h to 15h.
The highest temperature will be a couple of degrees lower than November's average maximum of 31.2°C. Tomorrow, the night is expected to be also similar to the typical November low of 24.2°C.
Updated: Nov 14, 2026 @ 09:12:24 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, the potential for thunderstorms remains.

Moderate precipitation of 17mm is anticipated. The likelihood of rainfall is 60%.

Tomorrow, the maximum temperature will be 29°C, while the minimum temperature will be 25°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at 36°C.
The maximum temperature tomorrow will be slightly cooler than the average highest temperature in November. The lowest temperature will be 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.