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 225°
  • Humidity: 85%
  • UV index: 7
  • Sunrise: 05:24 WIB
  • Sunset: 17:30 WIB
  • ▼
On Sunday, in Siantan, scattered thunderstorms are also expected to form.
The chance of rainfall for tomorrow is high, and precipitation will be moderate. Minor temperature shifts are forecasted, peaking at a maximum of a moderately hot 29°C and dropping to a minimum of a warm 25°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is assessed at a sweltering 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.
The predicted high is predicted to be relatively lower than the typical November maximum 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: 45%
  • Precipitation: 1mm
  • Wind: 4km/hW 279°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 2h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 47%
  • Precipitation: 1mm
  • Wind: 4km/hNW 311°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 42%
  • Precipitation: 1mm
  • Wind: 3km/hSSE 155°
  • Humidity: 96%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunrise: 05:24
  • 6h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 51%
  • Precipitation: 1mm
  • Wind: 4km/hESE 111°
  • 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 165°
  • 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 182°
  • 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
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 1mm
  • Wind: 10km/hW 263°
  • Humidity: 81%
  • Pressure: 1008mbar
  • Visibility: 10km
  • UV index: 4
  • ▼
  • 16h
  • 28°C
  • Feels like:
    33°C
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 1mm
  • Wind: 9km/hWSW 256°
  • 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 260°
  • Humidity: 89%
  • Pressure: 1010mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 5km/hWNW 291°
  • 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 270°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 9km
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of showery, dull and turbulent weather is forecasted.
Rainfall is forecasted 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 a minimum of 25°C and a maximum of 29°C. The feels-like temperature will vary between the lowest temperature of 29°C and the highest temperature of 36°C. The hottest part of the day will be from 10h to 15h.
The temperature is expected to be moderately lower than the average peak in November, which is 31.2°C. The expected low will be also alike with the average minimum in November, which is 24.2°C.
Updated: Nov 14, 2026 @ 07:13:50 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect thunderstorm activity to continue.

With a probability of 60%, moderate precipitation of 17mm is forecasted.

Tomorrow, the maximum temperature will be 29°C, while the minimum temperature will be 25°C. The maximum heat index, which combines relative humidity and air temperature, is evaluated at 36°C.
Tomorrow, the maximum temperature will be a couple of degrees lower than the average highest 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).

Tomorrow, the daylight will last for 12h and 7min.