Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Sunday 15. Nov 2026

  • 29°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 58%
  • Precipitation: 17mm
  • Wind: 11km/hSW 225°
  • Humidity: 84%
  • UV index: 10
  • Sunrise: 05:24 WIB
  • Sunset: 17:30 WIB
  • ▼
Tomorrow, on Sunday, scattered thunderstorms are expected, with the potential for brief but intense rain and lightning.
The chance of rainfall is high, and precipitation will be moderate. Temperature is anticipated to reach a high of a moderately hot 29°C during the day, slightly dropping to a low of a temperate 25°C at night.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is estimated at a sizzling 36°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
Tomorrow's high is forecasted to be slightly cooler than the average high in November 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 hour: 3h 25°C.

Chance of precipitation

Highest chance: 12h - 15h 54%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 4km/hNW 309°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 2h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 3km/hNNW 345°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    25°C
Cloudy
Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 3km/hSE 143°
  • Humidity: 96%
  • Pressure: 1010mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
Sunrise: 05:24
  • 6h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 1mm
  • Wind: 4km/hESE 106°
  • Humidity: 97%
  • Pressure: 1010mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 8h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 5km/hSSE 157°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 2
  • ▼
  • 10h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 2mm
  • Wind: 6km/hS 187°
  • Humidity: 81%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 12h
  • 29°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 54%
  • Precipitation: 1mm
  • Wind: 9km/hSW 234°
  • Humidity: 81%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 14h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 1mm
  • Wind: 11km/hWSW 258°
  • Humidity: 80%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 16h
  • 28°C
  • Feels like:
    34°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 10km/hWSW 255°
  • 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: 31%
  • Precipitation: 1mm
  • Wind: 6km/hW 265°
  • Humidity: 87%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 40%
  • Precipitation: 1mm
  • Wind: 5km/hWNW 285°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hW 278°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
Tomorrow, a combination of rainy, cloudy and thunderstorm-prone weather is predicted.
Rainfall is forecasted from 5h to 21h and at 23h. With light precipitation of 2mm, the most intense rain will be falling at 10h, 11h and 23h.
The temperature will vary between a minimum of 25°C and a maximum of 29°C. The feels-like temperature will be between the lowest temperature of 25°C and the highest temperature of 36°C. The hottest part of the day will be from 10h to 15h.
Tomorrow, the temperature is expected to be relatively lower than November's normal maximum of 31.2°C. Tomorrow, the minimum temperature will be also similar to the average low for November.
Updated: Nov 14, 2026 @ 14:33:44 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Siantan, scattered thunderstorms are anticipated, and some of them may bring gusty winds and rain.

Moderate precipitation of 17mm is anticipated in Siantan. The possibility of rainfall is 58%.

Tomorrow, the highest temperature will be 29°C, while the lowest temperature will be 25°C. The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 36°C.
The highest temperature tomorrow will be moderately lower than the average maximum temperature in November. The lowest temperature tomorrow will be in line with the average low temperature.

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

In Siantan, tomorrow, there will be 12h and 7min of daylight.