Weather forecast for 10 daysSiantan, Indonesia

Weather forecast for the weekend

Saturday 31. Oct 2026

  • 30°C
  • 24°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 48%
  • Precipitation: 4mm
  • Wind: 10km/hSE 129°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
Tomorrow, scattered thunderstorms are expected, bringing heavy rain and thunder at times.
The likelihood of rainfall is low, and light precipitation is anticipated. Temperatures are predicted to peak at a blazing 30°C and drop to a minimum of a temperate 24°C.
The maximum heat index, which indicates how humid air affects the felt temperature, is calculated to be a very hot 37°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 high is predicted to coincide with the typical October maximum of 31.8°C.
Sunrise will be at 05:23 and sunset at 17:30; tomorrow's daylight will last for 12h and 7min.

Sunday 1. Nov 2026

  • 32°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 3mm
  • Wind: 9km/hNE 39°
  • Humidity: 74%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
On Sunday, in Siantan, thunderstorms are forecasted to develop with occasional lightning.
Minimal precipitation is predicted. Temperature is anticipated to swing from a high of a tropical 32°C to a low of a moderately hot 25°C.
The temperature on Sunday is forecasted to correspond with the average October peak of 31.8°C.
Sunrise will be at 05:23 and sunset at 17:29; the daylight will last for 12h and 7min.

10-day overview

Daily temperatures

Warmest period: Sunday - Monday 32°C.
Minimum temperature: 30°C.

Chance of precipitation

Highest chance: Tuesday 74%.

Long-term weather forecast

  • Friday
  • 30. Oct 2026
  • 30°C
  • 24°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 53%
  • Precipitation: 4mm
  • Wind: 12km/hWSW 254°
  • Humidity: 85%
  • UV index: 7
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
  • Saturday
  • 31. Oct 2026
  • 30°C
  • 24°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 48%
  • Precipitation: 4mm
  • Wind: 10km/hSE 129°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
  • Sunday
  • 1. Nov 2026
  • 32°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 3mm
  • Wind: 9km/hNE 39°
  • Humidity: 74%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Monday
  • 2. Nov 2026
  • 32°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 12mm
  • Wind: 9km/hS 180°
  • Humidity: 77%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 31°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 74%
  • Precipitation: 14mm
  • Wind: 8km/hENE 72°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 31°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 66%
  • Precipitation: 16mm
  • Wind: 8km/hN 3°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Thursday
  • 5. Nov 2026
  • 31°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 70%
  • Precipitation: 15mm
  • Wind: 10km/hWSW 244°
  • Humidity: 81%
  • UV index: 10
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Friday
  • 6. Nov 2026
  • 30°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 12mm
  • Wind: 9km/hW 264°
  • Humidity: 82%
  • UV index: 10
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
  • Saturday
  • 7. Nov 2026
  • 31°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 9mm
  • Wind: 8km/hNNE 14°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
  • Sunday
  • 8. Nov 2026
  • 31°C
  • 25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 15mm
  • Wind: 9km/hW 263°
  • Humidity: 79%
  • UV index: 10
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
Over the next ten days, thunderstorms and rainy weather are anticipated daily.
Rainfall is forecasted day-to-day, with daily precipitation varying from a minimal 3mm to a maximum of 16mm.
The maximum temperature will be very similar over the next several days. The maximum temperature will vary between 30°C and 32°C, while the nighttime low will be also mostly stable, as the minimum temperature is expected to range between 24°C and 25°C.
The hottest days will be Sunday and Monday, with a maximum of 32°C; the coldest days will be Friday, Saturday and next Friday, with a maximum of 30°C.
Combining with the humidity, the maximum feel-like temperature may increase vastly and vary between a sweltering 37°C and a torridly hot 43°C.
Updated: Oct 29, 2026 @ 21:25:43 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Siantan, thunderstorms and rainy weather are anticipated daily for the next ten days.

With daily precipitation varying from a minimum of 3mm to a maximum of 16mm, rainfall is forecasted every day in Siantan. With moderate precipitation of 16mm, Wednesday will be the day with the most rainfall.

The maximum temperature will vary between 30°C and 32°C, while the minimum temperature will vary between 24°C and 25°C.
Including the humidity's impact, the maximum feel-like temperature will vary between 37°C and 43°C.

With a maximum temperature of 32°C, Sunday and Monday will be the hottest days. With a maximum temperature of 30°C, Friday, Saturday and next Friday will be the coldest days.

Tomorrow, scattered thunderstorms may occur, especially in the afternoon, bringing periods of rain and lightning.

With a probability of 48%, light precipitation of 4mm is predicted.

Tomorrow, the maximum temperature will be 30°C, while the minimum temperature will be 24°C. The maximum heat index, which adjusts the air temperature based on humidity, is appraised at 37°C.
The maximum temperature tomorrow will be in line with the average highest temperature in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.

On Saturday, in Siantan, sunrise will be at 05:23 and sunset at 17:30 (WIB).

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

On Sunday, storms with thunder and lightning are expected during the afternoon.

On Sunday, there is a low probability of minimal rainfall in Siantan.

On Sunday, the highest temperature will be 32°C, while the lowest temperature will be 25°C.