Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Wednesday 11. Nov 2026

  • 31°C
  • 25°C
AM Thunderstorms
AM Thunderstorms
  • Precip. probability: 56%
  • Precipitation: 5mm
  • Wind: 11km/hSW 224°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
On Wednesday, in Siantan, thunderstorms will make for a wet and noisy morning.
The likelihood of precipitation for tomorrow is high. However, the rainfall will be light. The temperature is forecasted to oscillate between a maximum of a tropical 31°C and a minimum of a moderately hot 25°C.
The maximum heat index, which calculates the temperature value influenced by the moisture in the air, is evaluated at an extremely hot 40°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
The predicted peak temperature will reflect the average November high of 31.2°C.
Sunrise will be at 05:23 and sunset at 17:30; tomorrow's daylight will last for 12h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 37°C.
Coldest period: 3h - 6h 29°C.

Chance of precipitation

Highest chance: 12h 55%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Few Showers
Few Showers
  • Precip. probability: 33%
  • Precipitation: 1mm
  • Wind: 3km/hW 270°
  • Humidity: 93%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 3km/hNE 49°
  • Humidity: 95%
  • Pressure: 1009mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 37%
  • Precipitation: 1mm
  • Wind: 3km/hENE 78°
  • Humidity: 96%
  • Pressure: 1009mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Sunrise: 05:23
  • 6h
  • 25°C
  • Feels like:
    29°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 3km/hE 98°
  • Humidity: 96%
  • Pressure: 1010mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 8h
  • 28°C
  • Feels like:
    33°C
Cloudy
Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 5km/hSE 140°
  • Humidity: 86%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 30°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 36%
  • Precipitation: 1mm
  • Wind: 7km/hS 188°
  • Humidity: 74%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 12h
  • 31°C
  • Feels like:
    37°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 2mm
  • Wind: 10km/hWSW 238°
  • Humidity: 72%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 10
  • ▼
  • 14h
  • 30°C
  • Feels like:
    37°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 11km/hWSW 259°
  • Humidity: 74%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 16h
  • 29°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 254°
  • Humidity: 77%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 17:30
  • 18h
  • 28°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0mm
  • Wind: 5km/hWSW 257°
  • Humidity: 84%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    32°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 4km/hN 0°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 3km/hNNE 28°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Tomorrow, a combination of primarily cloudy and occasionally rain-soaked and thunderstorm-prone weather is expected.
Rainfall is expected from midnight to 4h, and from 10h to 13h. With light precipitation of 3mm, most rainfall is expected at 11h.
The temperature will be between the lowest temperature of 25°C and the highest temperature of 31°C. The feels-like temperature will vary between a minimum of 28°C and a maximum of 37°C. The hottest part of the day will be around noon.
The high temperature is expected to be similar to November's usual value of 31.2°C. The night temperature will be also close to the standard November low of 24.2°C.
Updated: Nov 10, 2026 @ 06:23:51 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Siantan, expect a stormy morning, with occasional thunder and brief periods of heavy rain.

Light precipitation of 5mm is predicted in Siantan. The chance of rainfall is 56%.

Tomorrow, the maximum temperature will be 31°C, while the minimum temperature will be 25°C. The maximum heat index, which modifies the air temperature to account for humidity, is computed to be 40°C.
The maximum temperature will be in line with the average highest temperature of 31.2°C in November. The lowest temperature will be also in line with the average low of 24.2°C.

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

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