Weather forecast for 10 daysSiantan, Indonesia

Weather forecast for the weekend

Saturday 31. Oct 2026

  • 30°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 7mm
  • Wind: 8km/hSSE 160°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
On Saturday, 31st of October, isolated thunderstorms are expected with brief heavy rain.
The chance of precipitation is high. However, the rainfall will be light. Temperatures will oscillate between a tropical 30°C at their highest and a warm 24°C at their lowest.
The high is forecasted to coincide with October's normal of 31.8°C.
Sunrise will be at 05:23 and sunset at 17:30; the daylight will last for 12h and 7min.

Sunday 1. Nov 2026

  • 32°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 51%
  • Precipitation: 5mm
  • Wind: 9km/hNE 40°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
On Sunday, in Siantan, thunder and rain showers will move in during the afternoon.
The likelihood of rainfall is high. However, precipitation will be light. Temperatures are predicted to range from a maximum of a tropical 32°C to a minimum of a moderately hot 24°C.
Sunday's peak is anticipated to reflect the usual October high temperature 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 73%.

Long-term weather forecast

  • Thursday
  • 29. Oct 2026
  • min.
  • 25°C
Showers
Showers
  • Precip. probability: 36%
  • Precipitation: 2mm
  • Wind: 6km/hWSW 250°
  • Humidity: 92%
  • UV index: 0
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
  • Friday
  • 30. Oct 2026
  • 30°C
  • 24°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 58%
  • Precipitation: 7mm
  • Wind: 12km/hWSW 245°
  • Humidity: 82%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
  • Saturday
  • 31. Oct 2026
  • 30°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 7mm
  • Wind: 8km/hSSE 160°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
  • Sunday
  • 1. Nov 2026
  • 32°C
  • 24°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 51%
  • Precipitation: 5mm
  • Wind: 9km/hNE 40°
  • Humidity: 76%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Monday
  • 2. Nov 2026
  • 32°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 71%
  • Precipitation: 13mm
  • Wind: 9km/hSW 226°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 30°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 17mm
  • Wind: 8km/hENE 69°
  • Humidity: 81%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 31°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 13mm
  • Wind: 8km/hN 6°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:29 WIB
  • ▼
  • Thursday
  • 5. Nov 2026
  • 30°C
  • 24°C
Thunderstorms
Thunderstorms
  • Precip. probability: 66%
  • Precipitation: 14mm
  • Wind: 10km/hWNW 301°
  • 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: 60%
  • Precipitation: 12mm
  • Wind: 9km/hWSW 258°
  • 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: 9km/hNNW 340°
  • Humidity: 80%
  • UV index: 10
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
During the upcoming ten-day period, primarily storm-filled and occasionally rainy weather is anticipated.
Rainfall is forecasted day-to-day, with daily precipitation varying from a minimal 2mm to a maximum of 17mm.
The maximum temperature will be very similar in the upcoming days. Maximum temperatures will fall between 30°C and 32°C, while changes in the overnight low will be also barely noticeable, as the minimum temperature is expected to range between 24°C and 25°C.
Sunday and Monday, with the highest temperature of 32°C, will be the hottest days in Siantan, Indonesia; Friday, Saturday, Tuesday, next Thursday and Friday, with the highest temperature of 30°C, will be the coldest days in Siantan, Indonesia.
Combining with the humidity, the maximum feel-like temperature may increase significantly and range between a torrid 38°C and a blistering 44°C.
Updated: Oct 29, 2026 @ 10:57:52 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Siantan, predominantly unstable and occasionally showery weather is anticipated for the next ten days.

With daily precipitation varying from a maximum of 17mm to a minimum of 2mm, rainfall is anticipated every day in Siantan. Tuesday, with moderate precipitation of 17mm, will be the day with the most rainfall.

The maximum temperature will range between 30°C and 32°C, while the minimum temperature will range between 24°C and 25°C.
Taking the humidity into consideration, the maximum feel-like temperature will vary between 38°C and 44°C.

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

On Saturday, rainy weather and thunderstorms are expected in the afternoon.

With a probability of 55%, light precipitation of 7mm is predicted on Saturday.

On Saturday, the highest temperature will be 30°C, while the lowest temperature will be 24°C.

On Sunday, in Siantan, rainy weather and thunderstorms are expected in the afternoon.

Light precipitation of 5mm is forecasted on Sunday. The likelihood of rainfall is 51%.

On Sunday, the highest temperature will be 32°C, while the lowest temperature will be 24°C.