Weather forecast for tomorrowBagansiapiapi, Indonesia
Weather forecast for tomorrow
Monday 19. Oct 2026
- 31°C
- 25°C
PM Thunderstorms
- Precip. probability: 40%
- Precipitation: 16mm
- Wind: 9km/hW 271°
- Humidity: 78%
- UV index: 11
- Sunrise: 05:59 WIB
- Sunset: 18:03 WIB
- details ▼
On Monday, in Bagansiapiapi, isolated thunderstorms are expected with brief heavy rain.
With a low probability, moderate precipitation is predicted for tomorrow. The temperature will vary between a maximum of a tropical 31°C and a minimum of a warm 25°C.
The maximum heat index, which adjusts the air temperature based on humidity, is computed to be a blistering 40°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.
The day’s top temperature is expected to be a couple of degrees lower than the typical October high of 33.1°C.
Sunrise will be at 05:59 and sunset at 18:03; tomorrow's daylight will last for 12h and 4min.
With a low probability, moderate precipitation is predicted for tomorrow. The temperature will vary between a maximum of a tropical 31°C and a minimum of a warm 25°C.
The maximum heat index, which adjusts the air temperature based on humidity, is computed to be a blistering 40°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.
The day’s top temperature is expected to be a couple of degrees lower than the typical October high of 33.1°C.
Sunrise will be at 05:59 and sunset at 18:03; tomorrow's daylight will last for 12h and 4min.
Hourly overview
Hourly temperatures
Warmest period: 12h - 15h 38°C.
Coldest hour: 6h 29°C.
Coldest hour: 6h 29°C.
Chance of precipitation
Highest chance: 21h 56%.
Hourly weather forecast
- 0h
- 27°C
- Feels like:31°C
Showers
- Precip. probability: 55%
- Precipitation: 1mm
- Wind: 7km/hSW 234°
- Humidity: 92%
- Pressure: 1012mbar
- Visibility: 7km
- UV index: 0
- details ▼
- 2h
- 26°C
- Feels like:30°C
Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 8km/hSW 232°
- Humidity: 93%
- Pressure: 1010mbar
- Visibility: 7km
- UV index: 0
- details ▼
- 4h
- 26°C
- Feels like:30°C
Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 6km/hSW 229°
- Humidity: 94%
- Pressure: 1010mbar
- Visibility: 7km
- UV index: 0
- details ▼
Sunrise: 05:59
- 6h
- 26°C
- Feels like:29°C
Cloudy
- Precip. probability: 13%
- Precipitation: 0mm
- Wind: 6km/hSSW 207°
- Humidity: 95%
- Pressure: 1010mbar
- Visibility: 7km
- UV index: 0
- details ▼
- 8h
- 27°C
- Feels like:31°C
Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 6km/hS 178°
- Humidity: 90%
- Pressure: 1012mbar
- Visibility: 12km
- UV index: 2
- details ▼
- 10h
- 29°C
- Feels like:35°C
Mostly Cloudy
- Precip. probability: 16%
- Precipitation: 0mm
- Wind: 6km/hSSW 204°
- Humidity: 77%
- Pressure: 1012mbar
- Visibility: 14km
- UV index: 9
- details ▼
- 12h
- 31°C
- Feels like:38°C
Isolated Thunderstorms
- Precip. probability: 32%
- Precipitation: 1mm
- Wind: 6km/hSW 228°
- Humidity: 72%
- Pressure: 1010mbar
- Visibility: 14km
- UV index: 11
- details ▼
- 14h
- 31°C
- Feels like:38°C
Scattered Thunderstorms
- Precip. probability: 38%
- Precipitation: 2mm
- Wind: 9km/hNNE 12°
- Humidity: 72%
- Pressure: 1008mbar
- Visibility: 11km
- UV index: 9
- details ▼
- 16h
- 30°C
- Feels like:37°C
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 9km/hNNE 16°
- Humidity: 74%
- Pressure: 1007mbar
- Visibility: 14km
- UV index: 3
- details ▼
- 18h
- 29°C
- Feels like:35°C
Scattered Thunderstorms
- Precip. probability: 40%
- Precipitation: 1mm
- Wind: 8km/hN 10°
- Humidity: 81%
- Pressure: 1009mbar
- Visibility: 11km
- UV index: 0
- details ▼
Sunset: 18:03
- 20h
- 28°C
- Feels like:33°C
Scattered Thunderstorms
- Precip. probability: 52%
- Precipitation: 2mm
- Wind: 6km/hNNW 333°
- Humidity: 86%
- Pressure: 1011mbar
- Visibility: 11km
- UV index: 0
- details ▼
- 22h
- 27°C
- Feels like:32°C
Scattered Thunderstorms
- Precip. probability: 58%
- Precipitation: 2mm
- Wind: 7km/hWSW 258°
- Humidity: 89%
- Pressure: 1012mbar
- Visibility: 9km
- UV index: 0
- details ▼
Tomorrow, a combination of overcast, wet and storm-filled weather is predicted.
Rain is predicted from midnight, and from 12h to 15h, and from 17h to 23h. The most intense rain will be falling at 13h and 21h.
The temperature will vary between the lowest temperature of 26°C and the highest temperature of 31°C. The feels-like temperature will vary between a minimum of 29°C and a maximum of 38°C. The hottest part of the day will be from 12h to 15h.
The high will be a few degrees lower than the normal maximum of 33.1°C for October. The lowest temperature is also alike with October's typical minimum of 23.1°C.
Rain is predicted from midnight, and from 12h to 15h, and from 17h to 23h. The most intense rain will be falling at 13h and 21h.
The temperature will vary between the lowest temperature of 26°C and the highest temperature of 31°C. The feels-like temperature will vary between a minimum of 29°C and a maximum of 38°C. The hottest part of the day will be from 12h to 15h.
The high will be a few degrees lower than the normal maximum of 33.1°C for October. The lowest temperature is also alike with October's typical minimum of 23.1°C.
Updated: Oct 18, 2026 @ 01:04:22 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Monday, storms with thunder and lightning are expected during the afternoon.
With a probability of 40%, moderate precipitation of 16mm is forecasted.
Tomorrow, the highest temperature in Bagansiapiapi will be 31°C, while the lowest temperature will be 25°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 40°C.
The highest temperature will be relatively lower than the average maximum of 33.1°C in October. The lowest temperature will be in line with the average low of 23.1°C.
The highest temperature will be relatively lower than the average maximum of 33.1°C in October. The lowest temperature will be in line with the average low of 23.1°C.
On Monday, in Bagansiapiapi, sunrise will be at 05:59 and sunset at 18:03 (WIB).
Tomorrow, the daylight will last for 12h and 4min.





