Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Wednesday 11. Nov 2026

  • 31°C
  • 25°C
AM Thunderstorms
AM Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 5mm
  • Wind: 11km/hSW 221°
  • Humidity: 78%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
Tomorrow, on Wednesday, a stormy start is expected, with rain showers and occasional thunderstorms.
The likelihood of rainfall is high. However, precipitation will be light. The maximum anticipated temperature is a humid 31°C, while the minimum temperature will be a moderately hot 25°C.
The maximum heat index, which modifies the air temperature to account for humidity, is estimated at a torridly hot 40°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The highest temperature is forecasted to follow the average for November, around 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 53%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 3km/hWSW 241°
  • Humidity: 93%
  • Pressure: 1010mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    29°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 3km/hNE 49°
  • Humidity: 95%
  • Pressure: 1009mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 3km/hENE 67°
  • Humidity: 95%
  • Pressure: 1009mbar
  • Visibility: 9km
  • 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: 95%
  • Pressure: 1010mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 8h
  • 28°C
  • Feels like:
    33°C
Cloudy
Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 6km/hSE 137°
  • Humidity: 85%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 3
  • ▼
  • 10h
  • 30°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 39%
  • Precipitation: 1mm
  • Wind: 6km/hS 178°
  • Humidity: 75%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 8
  • ▼
  • 12h
  • 30°C
  • Feels like:
    37°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 53%
  • Precipitation: 2mm
  • Wind: 10km/hSW 232°
  • Humidity: 73%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 11
  • ▼
  • 14h
  • 30°C
  • Feels like:
    37°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 10km/hWSW 258°
  • Humidity: 74%
  • Pressure: 1007mbar
  • Visibility: 16km
  • UV index: 5
  • ▼
  • 16h
  • 29°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 256°
  • Humidity: 77%
  • Pressure: 1007mbar
  • 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: 6km/hWSW 257°
  • Humidity: 84%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 4km/hNNW 335°
  • Humidity: 88%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 3km/hNNE 30°
  • Humidity: 91%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Tomorrow, on Wednesday, a combination of primarily cloudy and occasionally storm-filled and rainy weather is expected.
Rainfall is forecasted from midnight to 2h, and from 10h to 13h. With light precipitation of 3mm, most rainfall is expected at 11h.
The temperature will vary between the lowest temperature of 25°C and the highest temperature of 30°C. The feels-like temperature will be between the lowest temperature of 29°C and the highest temperature of 37°C. The hottest part of the day will be from 10h to 15h.
The maximum temperature will be alike with the average high of 31.2°C in November. The night temperature will be also close to the standard November low of 24.2°C.
Updated: Nov 10, 2026 @ 05:02:28 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, in Siantan, morning storms are likely, bringing thunder, lightning, and rain.

Light precipitation of 5mm is forecasted. The likelihood of rainfall is 55%.

Tomorrow, the highest temperature will be 31°C, while the lowest temperature will be 25°C. The maximum heat index, which integrates air moisture with ambient temperature, is assessed at 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).

In Siantan, the length of the day tomorrow will be 12h and 7min.