Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Tuesday 17. Nov 2026

  • 30°C
  • 25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 13mm
  • Wind: 11km/hSW 225°
  • Humidity: 82%
  • UV index: 10
  • Sunrise: 05:24 WIB
  • Sunset: 17:31 WIB
  • ▼
Tomorrow, on Tuesday, 17th of November, storm systems may continue to produce thunderstorms.
The likelihood of rain is high, and precipitation will be moderate. A slight fluctuation in temperature is forecasted, achieving a maximum of a blazing 30°C and dipping to a minimum of a temperate 25°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is appraised at a very hot 38°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The expected daytime maximum should align with the typical November high of 31.2°C.
Sunrise will be at 05:24 and sunset at 17:31; tomorrow's daylight will last for 12h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 37°C.
Coldest period: 3h - 6h 29°C.

Chance of precipitation

Highest chance: 15h 58%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 3km/hWNW 290°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Wind: 3km/hNW 323°
  • Humidity: 94%
  • Pressure: 1009mbar
  • Visibility: 5km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 3km/hE 95°
  • Humidity: 96%
  • Pressure: 1010mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
Sunrise: 05:24
  • 6h
  • 25°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0mm
  • Wind: 3km/hENE 70°
  • Humidity: 96%
  • Pressure: 1011mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 8h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 5km/hSE 135°
  • Humidity: 88%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 10h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 59%
  • Precipitation: 2mm
  • Wind: 6km/hSSW 203°
  • Humidity: 79%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 12h
  • 30°C
  • Feels like:
    37°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 1mm
  • Wind: 10km/hSW 236°
  • Humidity: 79%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 14h
  • 30°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 2mm
  • Wind: 11km/hWSW 251°
  • Humidity: 78%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 4
  • ▼
  • 16h
  • 29°C
  • Feels like:
    35°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 9km/hWSW 250°
  • Humidity: 82%
  • Pressure: 1009mbar
  • Visibility: 7km
  • UV index: 1
  • ▼
Sunset: 17:31
  • 18h
  • 28°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 6km/hW 264°
  • Humidity: 87%
  • Pressure: 1010mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hWSW 254°
  • Humidity: 89%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hENE 78°
  • Humidity: 90%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Tomorrow, a combination of cloudy, rain-filled and thunderstorm-prone weather is forecasted.
Rain is expected at 2h, and from 8h to 17h and at 23h. The most intense rain will be falling at 10h and 14h.
The temperature will be between a minimum of 25°C and a maximum of 30°C. The feels-like temperature will be between the lowest temperature of 29°C and the highest temperature of 37°C. The hottest part of the day will be from 11h to 14h.
The highest temperature will be in line with November's average maximum of 31.2°C. The lowest temperature is also resembling November's typical minimum of 24.2°C.
Updated: Nov 15, 2026 @ 17:55:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, wet and stormy weather is expected.

Moderate precipitation of 13mm is expected. The likelihood of rainfall is 69%.

Tomorrow, the highest temperature will be 30°C, while the lowest temperature will be 25°C. The maximum heat index, which adjusts the air temperature based on humidity, is estimated at 38°C.
The maximum temperature will be in line with the average highest temperature of 31.2°C in November. The lowest temperature will be also in line with the average low of 24.2°C.

On Tuesday, in Siantan, sunrise will be at 05:24 and sunset at 17:31 (WIB).

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