Weather forecast for tomorrowPematangsiantar, Indonesia

Weather forecast for tomorrow

Monday 9. Nov 2026

  • 29°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 61%
  • Precipitation: 8mm
  • Wind: 12km/hNE 41°
  • Humidity: 81%
  • UV index: 11
  • Sunrise: 06:07 WIB
  • Sunset: 18:07 WIB
  • ▼
Tomorrow, in Pematangsiantar, expect stormy weather in the afternoon with lightning and gusts.
The chance of rainfall is high. However, precipitation will be light. Forecasted temperature values will span from a temperate 29°C down to a delightful 22°C.
The maximum heat index, which factors the actual air temperature with the relative humidity, is estimated at a steamy 35°C. Note that heat index values are valued for light wind and location in the shade. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
The temperature will be in line with November's average maximum of 28.2°C.
Sunrise will be at 06:07 and sunset at 18:07; tomorrow's daylight will last for 12h and 0min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 33°C.
Coldest hour: 3h 23°C.

Chance of precipitation

Highest chance: 15h 61%.

Hourly weather forecast

  • 0h
  • 24°C
  • Feels like:
    24°C
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 1mm
  • Wind: 5km/hSW 230°
  • Humidity: 94%
  • Pressure: 1013mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 2h
  • 23°C
  • Feels like:
    23°C
Showers
Showers
  • Precip. probability: 38%
  • Precipitation: 2mm
  • Wind: 4km/hSW 221°
  • Humidity: 95%
  • Pressure: 1012mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 4h
  • 23°C
  • Feels like:
    23°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 5km/hSW 222°
  • Humidity: 96%
  • Pressure: 1011mbar
  • Visibility: 15km
  • UV index: 0
  • ▼
  • 6h
  • 22°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 5km/hSW 230°
  • Humidity: 98%
  • Pressure: 1012mbar
  • Visibility: 12km
  • UV index: 0
  • ▼
Sunrise: 06:07
  • 8h
  • 25°C
  • Feels like:
    28°C
Cloudy
Cloudy
  • Precip. probability: 1%
  • Precipitation: 0mm
  • Wind: 5km/hSW 228°
  • Humidity: 90%
  • Pressure: 1013mbar
  • Visibility: 15km
  • UV index: 1
  • ▼
  • 10h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0mm
  • Wind: 8km/hE 98°
  • Humidity: 78%
  • Pressure: 1013mbar
  • Visibility: 15km
  • UV index: 8
  • ▼
  • 12h
  • 29°C
  • Feels like:
    33°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0mm
  • Wind: 11km/hNE 42°
  • Humidity: 74%
  • Pressure: 1011mbar
  • Visibility: 16km
  • UV index: 11
  • ▼
  • 14h
  • 29°C
  • Feels like:
    33°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Wind: 12km/hNE 35°
  • Humidity: 73%
  • Pressure: 1009mbar
  • Visibility: 11km
  • UV index: 8
  • ▼
  • 16h
  • 28°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 2mm
  • Wind: 12km/hNNE 28°
  • Humidity: 81%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 2
  • ▼
  • 18h
  • 26°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 46%
  • Precipitation: 1mm
  • Wind: 7km/hNE 45°
  • Humidity: 89%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
Sunset: 18:07
  • 20h
  • 25°C
  • Feels like:
    28°C
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 1mm
  • Wind: 5km/hS 187°
  • Humidity: 94%
  • Pressure: 1012mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 22h
  • 24°C
  • Feels like:
    27°C
Showers
Showers
  • Precip. probability: 49%
  • Precipitation: 1mm
  • Wind: 5km/hSW 230°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 10km
  • UV index: 0
  • ▼
Tomorrow, a combination of wet, cloud-filled and storm-filled weather is expected.
Rainfall is anticipated from midnight, 2h, 3h, and from 14h to 23h. With light precipitation of 2mm, the most intense rain will be falling at 2h, 3h, and from 15h to 17h.
The temperature will be between the lowest temperature of 22°C and the highest temperature of 29°C. The feels-like temperature will vary between a minimum of 23°C and a maximum of 33°C. The hottest part of the day will be from 12h to 14h.
The maximum temperature will be resembling the average high of 28.2°C in November. The lowest temperature is also close to November's typical minimum of 21°C.
Updated: Nov 8, 2026 @ 14:05:09 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, brief but strong thunderstorms are expected during the afternoon hours.

Light precipitation of 8mm is anticipated. The likelihood of rainfall is 61%.

Tomorrow, the highest temperature will be 29°C, while the lowest temperature will be 22°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is calculated to be 35°C.
The maximum temperature will be in line with the average highest temperature of 28.2°C in November. The lowest temperature will be also in line with the average low of 21°C.

On Monday, in Pematangsiantar, sunrise will be at 06:07 and sunset at 18:07 (WIB).

In Pematangsiantar, the length of the day tomorrow will be 12h and 0min.