Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Wednesday 11. Nov 2026

  • 30°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 57%
  • Precipitation: 3mm
  • Wind: 11km/hSW 219°
  • Humidity: 80%
  • UV index: 11
  • Sunrise: 05:23 WIB
  • Sunset: 17:30 WIB
  • ▼
Tomorrow, there will be scattered thunderstorms, which could cause some localized disruption.
Minimal precipitation is forecasted. The temperature is predicted to vary slightly from a high of a blazing 30°C to a low of a temperate 25°C.
The maximum heat index, which combines air temperature and relative humidity, is estimated at a sweltering 38°C. Note that heat index values are valued for light wind and location in the shade. Bear in mind that direct sunshine exposure increases weather impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees.
November's usual high of 31.2°C is anticipated to be matched by the day’s maximum temperature.
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 period: 12h - 15h 36°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/hSW 225°
  • Humidity: 92%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 2h
  • 25°C
  • Feels like:
    29°C
Few Showers
Few Showers
  • Precip. probability: 34%
  • Precipitation: 1mm
  • Wind: 3km/hENE 61°
  • Humidity: 94%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 19%
  • Precipitation: 0mm
  • Wind: 4km/hENE 71°
  • Humidity: 95%
  • Pressure: 1009mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunrise: 05:23
  • 6h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 5%
  • Precipitation: 0mm
  • Wind: 4km/hE 90°
  • Humidity: 95%
  • Pressure: 1010mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 8h
  • 27°C
  • Feels like:
    32°C
Cloudy
Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 5km/hSE 128°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 2
  • ▼
  • 10h
  • 30°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 43%
  • Precipitation: 1mm
  • Wind: 6km/hS 180°
  • Humidity: 77%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 12h
  • 30°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 55%
  • Precipitation: 1mm
  • Wind: 10km/hSW 234°
  • Humidity: 75%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 11
  • ▼
  • 14h
  • 30°C
  • Feels like:
    36°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 36%
  • Precipitation: 1mm
  • Wind: 11km/hWSW 258°
  • Humidity: 75%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 16h
  • 29°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0mm
  • Wind: 9km/hWSW 252°
  • Humidity: 78%
  • Pressure: 1008mbar
  • Visibility: 16km
  • UV index: 1
  • ▼
Sunset: 17:30
  • 18h
  • 28°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0mm
  • Wind: 6km/hWSW 240°
  • Humidity: 84%
  • Pressure: 1009mbar
  • Visibility: 16km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    32°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 4km/hNW 308°
  • Humidity: 87%
  • Pressure: 1011mbar
  • Visibility: 14km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 6%
  • Precipitation: 0mm
  • Wind: 3km/hSE 136°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 12km
  • UV index: 0
  • ▼
Tomorrow, a combination of primarily cloud-filled and occasionally stormy and damp weather is forecasted.
Rainfall is forecasted from midnight to 2h, and from 9h to 14h. 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 vary between a minimum of 28°C and a maximum of 37°C. The hottest part of the day will be from 10h to 15h.
The maximum temperature will be alike with November's average highest temperature of 31.2°C. The lowest temperature is also resembling November's typical minimum of 24.2°C.
Updated: Nov 9, 2026 @ 19:50:30 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Wednesday, in Siantan, scattered thunderstorms are expected, with the potential for localized flooding in some areas.

There is a high chance of rainfall, but precipitation will be minimal.

Tomorrow, the maximum temperature will be 30°C, while the minimum temperature will be 25°C. The maximum heat index, which reflects the perceived temperature due to humidity levels, is calculated to be 38°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.