Weather forecast for 10 daysBagansiapiapi, Indonesia

Weather forecast for the weekend

Sunday 18. Oct 2026

  • 30°C
  • 25°C
Showers
Showers
  • Precip. probability: 80%
  • Precipitation: 9mm
  • Wind: 10km/hNW 314°
  • Humidity: 86%
  • UV index: 10
  • Sunrise: 05:59 WIB
  • Sunset: 18:03 WIB
  • ▼
Today, on Sunday, 18th of October, showers will occur throughout the day, with some dry intervals in between.
The chance of precipitation is high. However, the rainfall will be light. Daytime will witness a high of a blazing 30°C, slightly diverging from the predicted night low of a moderately hot 25°C.
The maximum heat index, which measures the combined effect of heat and moisture, is evaluated at a very hot 39°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The forecasted top temperature is expected to be moderately lower than the usual October maximum of 33.1°C.
Sunrise will be at 05:59 and sunset at 18:03; the daylight will last for 12h and 4min.

10-day overview

Daily temperatures

Warmest day: Wednesday 32°C.
Minimum temperature: 30°C.

Chance of precipitation

Highest chance: today 80%.

Long-term weather forecast

  • Sunday
  • 18. Oct 2026
  • 30°C
  • 25°C
Showers
Showers
  • Precip. probability: 80%
  • Precipitation: 9mm
  • Wind: 10km/hNW 314°
  • Humidity: 86%
  • UV index: 10
  • Sunrise: 05:59 WIB
  • Sunset: 18:03 WIB
  • ▼
  • Monday
  • 19. Oct 2026
  • 31°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 37%
  • Precipitation: 13mm
  • Wind: 9km/hW 280°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 05:59 WIB
  • Sunset: 18:03 WIB
  • ▼
  • Tuesday
  • 20. Oct 2026
  • 31°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 37%
  • Precipitation: 7mm
  • Wind: 9km/hSE 124°
  • Humidity: 79%
  • UV index: 9
  • Sunrise: 05:59 WIB
  • Sunset: 18:03 WIB
  • ▼
  • Wednesday
  • 21. Oct 2026
  • 32°C
  • 26°C
Showers
Showers
  • Precip. probability: 43%
  • Precipitation: 11mm
  • Wind: 9km/hESE 118°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 05:59 WIB
  • Sunset: 18:03 WIB
  • ▼
  • Thursday
  • 22. Oct 2026
  • 31°C
  • 26°C
Showers
Showers
  • Precip. probability: 39%
  • Precipitation: 7mm
  • Wind: 8km/hWNW 286°
  • Humidity: 79%
  • UV index: 11
  • Sunrise: 05:59 WIB
  • Sunset: 18:03 WIB
  • ▼
  • Friday
  • 23. Oct 2026
  • 30°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 46%
  • Precipitation: 9mm
  • Wind: 10km/hNW 310°
  • Humidity: 81%
  • UV index: 11
  • Sunrise: 05:59 WIB
  • Sunset: 18:02 WIB
  • ▼
  • Saturday
  • 24. Oct 2026
  • 30°C
  • 25°C
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 18mm
  • Wind: 10km/hWNW 294°
  • Humidity: 81%
  • UV index: 7
  • Sunrise: 05:59 WIB
  • Sunset: 18:02 WIB
  • ▼
  • Sunday
  • 25. Oct 2026
  • 30°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 58%
  • Precipitation: 11mm
  • Wind: 10km/hWSW 249°
  • Humidity: 82%
  • UV index: 7
  • Sunrise: 05:59 WIB
  • Sunset: 18:02 WIB
  • ▼
  • Monday
  • 26. Oct 2026
  • 30°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 15mm
  • Wind: 11km/hENE 58°
  • Humidity: 81%
  • UV index: 10
  • Sunrise: 05:59 WIB
  • Sunset: 18:02 WIB
  • ▼
  • Tuesday
  • 27. Oct 2026
  • 30°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 58%
  • Precipitation: 15mm
  • Wind: 10km/hE 92°
  • Humidity: 81%
  • UV index: 10
  • Sunrise: 05:59 WIB
  • Sunset: 18:02 WIB
  • ▼
Looking ahead to the next ten days, a combination of thunderstorm-prone and rain-soaked weather is forecasted.
Rainfall is anticipated day-to-day, with daily precipitation varying from a minimal 7mm to a maximum of 18mm.
Temperature variation will be minimal throughout the coming week. The maximum temperature will vary between 30°C and 32°C, while the nighttime low will be also mostly stable, as the lowest temperatures will remain in the range of 25°C to 26°C.
With the highest temperature of 32°C, Wednesday will be the hottest day; with a maximum temperature of 30°C, Sunday, Friday through next Tuesday will be the coldest days.
Combining with the humidity, the maximum feel-like temperature may increase vastly and range between a steamy 38°C and an extremely hot 44°C.
Updated: Oct 17, 2026 @ 20:45:55 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect intermittent showers, with dry spells in between.

Light precipitation of 9mm is expected. The likelihood of rainfall is high at 80%.

Today, the highest temperature will be 30°C, while the lowest temperature will be 25°C. The maximum heat index, which indicates how humid air affects the felt temperature, is calculated to be 39°C.
The highest temperature will be a few degrees lower than the average maximum of 33.1°C in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Bagansiapiapi, sunrise will be at 05:59 and sunset at 18:03 (WIB).

In Bagansiapiapi, today, there will be 12h and 4min of daylight.