Weather forecast for tomorrowSiantan, Indonesia

Weather forecast for tomorrow

Sunday 15. Nov 2026

  • 29°C
  • 25°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 17mm
  • Wind: 11km/hSW 229°
  • Humidity: 85%
  • UV index: 7
  • Sunrise: 05:24 WIB
  • Sunset: 17:30 WIB
  • ▼
Tomorrow, expect scattered thunderstorms throughout the day, particularly in the afternoon.
The chance of rain is high, and precipitation will be moderate. Minor variations in temperature are anticipated, peaking at a warm 29°C and slightly dropping to a low of a temperate 25°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is computed to be a steamy 36°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.
Tomorrow, the expected high will be relatively lower than the average November maximum of 31.2°C.
Sunrise will be at 05:24 and sunset at 17:30; tomorrow's daylight will last for 12h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 36°C.
Coldest period: 3h - 6h 29°C.

Chance of precipitation

Highest chance: 12h 68%.

Hourly weather forecast

  • 0h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 4km/hW 268°
  • Humidity: 93%
  • Pressure: 1011mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 2h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 68%
  • Precipitation: 4mm
  • Wind: 4km/hN 0°
  • Humidity: 94%
  • Pressure: 1010mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 4h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 23%
  • Precipitation: 0mm
  • Wind: 4km/hSE 131°
  • Humidity: 96%
  • Pressure: 1009mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunrise: 05:24
  • 6h
  • 25°C
  • Feels like:
    29°C
Cloudy
Cloudy
  • Precip. probability: 22%
  • Precipitation: 0mm
  • Wind: 3km/hE 96°
  • Humidity: 95%
  • Pressure: 1010mbar
  • Visibility: 4km
  • UV index: 0
  • ▼
  • 8h
  • 27°C
  • Feels like:
    32°C
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 2mm
  • Wind: 5km/hSE 140°
  • Humidity: 88%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 2
  • ▼
  • 10h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 47%
  • Precipitation: 2mm
  • Wind: 6km/hSSE 161°
  • Humidity: 82%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 6
  • ▼
  • 12h
  • 29°C
  • Feels like:
    36°C
Thunderstorms
Thunderstorms
  • Precip. probability: 68%
  • Precipitation: 2mm
  • Wind: 9km/hWSW 247°
  • Humidity: 81%
  • Pressure: 1010mbar
  • Visibility: 10km
  • UV index: 7
  • ▼
  • 14h
  • 29°C
  • Feels like:
    35°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 54%
  • Precipitation: 1mm
  • Wind: 11km/hW 273°
  • Humidity: 81%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 4
  • ▼
  • 16h
  • 28°C
  • Feels like:
    34°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 9km/hW 274°
  • Humidity: 84%
  • Pressure: 1008mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
Sunset: 17:30
  • 18h
  • 27°C
  • Feels like:
    32°C
Few Showers
Few Showers
  • Precip. probability: 32%
  • Precipitation: 1mm
  • Wind: 6km/hW 265°
  • Humidity: 88%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 5km/hNW 308°
  • Humidity: 90%
  • Pressure: 1011mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 3km/hW 279°
  • Humidity: 92%
  • Pressure: 1011mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Tomorrow, on Sunday, a combination of overcast, storm-filled and damp weather is anticipated.
Rain is expected from 1h to 3h, and from 8h to 18h and at 23h. With moderate precipitation of 4mm, most rainfall is expected at 2h.
The temperature will be between the lowest temperature of 25°C and the highest temperature of 29°C. The feels-like temperature will be between a minimum of 29°C and a maximum of 36°C. The hottest part of the day will be from 10h to 15h.
The maximum temperature tomorrow will be a few degrees lower than November's average high. The minimum temperature will be also close to November's average low of 24.2°C.
Updated: Nov 14, 2026 @ 02:01:58 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, expect scattered thunderstorms, which could cause brief interruptions in outdoor plans.

Moderate precipitation of 17mm is forecasted. The possibility of rainfall is 67%.

Tomorrow, the highest temperature will be 29°C, while the lowest temperature will be 25°C. The maximum heat index, which adjusts the air temperature based on humidity, is computed to be 36°C.
Tomorrow, the highest temperature will be a couple of degrees lower than the average maximum temperature in November. The lowest temperature tomorrow will be in line with the average low temperature.

On Sunday, in Siantan, sunrise will be at 05:24 and sunset at 17:30 (WIB).

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