Weather forecast for todayPematangsiantar, Indonesia

Weather forecast for today

Current condition 00:36 WIB

  • 24°C
  • Feels like:
    24°C
Cloudy
Cloudy
  • Precipitation: 0mm
  • Wind: 5km/hSW 230°
  • Humidity: 95%
  • Dewpoint: 23°C
  • Pressure: 1012.53mbar
  • Visibility: 9.66km
  • UV index: 0
  • ▼
In Pematangsiantar, at the moment, a thick blanket of clouds is reducing brightness throughout the day.
The temperature is a moderately hot 24°C. The current temperature is a few degrees off the today's maximum of 28°C.

Sunday 18. Oct 2026

  • 28°C
  • 23°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 3mm
  • Wind: 11km/hNNW 334°
  • Humidity: 87%
  • UV index: 7
  • Sunrise: 06:07 WIB
  • Sunset: 18:10 WIB
  • ▼
On Sunday, 18th of October, the potential for thunderstorms remains.
Minimal precipitation is forecasted for today. The highest daytime temperature will reach a moderately hot 28°C, creating a slight contrast with the predicted nighttime low of a warm 23°C.
The maximum heat index, which measures the combined effect of heat and moisture, is assessed at a hot 33°C. Take into consideration that the heat index values are calculated for shade and light wind conditions.
Today's high is anticipated to coincide with the typical October maximum of 28.9°C.
Sunrise will be at 06:07 and sunset at 18:10; the daylight will last for 12h and 3min.

Hourly overview

Hourly temperatures

Warmest period: 13h - 16h 32°C.
Coldest period: 1h - 7h 24°C.

Chance of precipitation

Highest chance: 4h 66%.

Hourly weather forecast

  • 2h
  • 24°C
  • Feels like:
    24°C
Showers
Showers
  • Precip. probability: 69%
  • Precipitation: 1mm
  • Wind: 5km/hSW 227°
  • Humidity: 94%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 0
  • ▼
  • 4h
  • 24°C
  • Feels like:
    24°C
Showers
Showers
  • Precip. probability: 66%
  • Precipitation: 1mm
  • Wind: 4km/hWSW 242°
  • Humidity: 95%
  • Pressure: 1010mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
  • 6h
  • 24°C
  • Feels like:
    24°C
Few Showers
Few Showers
  • Precip. probability: 31%
  • Precipitation: 1mm
  • Wind: 4km/hWSW 251°
  • Humidity: 95%
  • Pressure: 1011mbar
  • Visibility: 13km
  • UV index: 0
  • ▼
Sunrise: 06:07
  • 8h
  • 24°C
  • Feels like:
    27°C
Showers
Showers
  • Precip. probability: 35%
  • Precipitation: 1mm
  • Wind: 4km/hSW 235°
  • Humidity: 94%
  • Pressure: 1013mbar
  • Visibility: 11km
  • UV index: 1
  • ▼
  • 10h
  • 26°C
  • Feels like:
    30°C
Few Showers
Few Showers
  • Precip. probability: 34%
  • Precipitation: 1mm
  • Wind: 7km/hN 354°
  • Humidity: 87%
  • Pressure: 1013mbar
  • Visibility: 12km
  • UV index: 7
  • ▼
  • 12h
  • 27°C
  • Feels like:
    31°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 37%
  • Precipitation: 1mm
  • Wind: 9km/hN 359°
  • Humidity: 83%
  • Pressure: 1011mbar
  • Visibility: 11km
  • UV index: 7
  • ▼
  • 14h
  • 27°C
  • Feels like:
    32°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 50%
  • Precipitation: 1mm
  • Wind: 11km/hNNW 348°
  • Humidity: 82%
  • Pressure: 1010mbar
  • Visibility: 11km
  • UV index: 5
  • ▼
  • 16h
  • 27°C
  • Feels like:
    32°C
Thunderstorms
Thunderstorms
  • Precip. probability: 64%
  • Precipitation: 2mm
  • Wind: 9km/hNNW 336°
  • Humidity: 82%
  • Pressure: 1009mbar
  • Visibility: 10km
  • UV index: 2
  • ▼
  • 18h
  • 26°C
  • Feels like:
    29°C
Showers
Showers
  • Precip. probability: 62%
  • Precipitation: 2mm
  • Wind: 6km/hNNE 14°
  • Humidity: 91%
  • Pressure: 1010mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
Sunset: 18:10
  • 20h
  • 25°C
  • Feels like:
    28°C
Showers
Showers
  • Precip. probability: 48%
  • Precipitation: 2mm
  • Wind: 3km/hWSW 240°
  • Humidity: 95%
  • Pressure: 1012mbar
  • Visibility: 3km
  • UV index: 0
  • ▼
  • 22h
  • 24°C
  • Feels like:
    27°C
Showers
Showers
  • Precip. probability: 36%
  • Precipitation: 3mm
  • Wind: 7km/hSW 231°
  • Humidity: 96%
  • Pressure: 1013mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Today, a combination of showery, storm-filled and cloudy weather is forecasted.
Rainfall is anticipated from 1h to 6h, 8h, and from 10h to 22h. With light precipitation of 3mm, most rainfall is expected at 22h.
The temperature will vary between the highest temperature of 28°C and the lowest temperature of 24°C. The feels-like temperature will vary between a minimum of 24°C and a maximum of 32°C. The warmest part of the day will be at 13h and 15h.
The maximum temperature will be close to the average high of 28.9°C in October. The lowest temperature is expected to be also a few degrees higher than the average minimum in October, typically 20.8°C.
Updated: Oct 17, 2026 @ 17:36:40 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 00:36 WIB is 24°C.

On Sunday, thunderstorm risks remain elevated.

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

Today, the highest temperature in Pematangsiantar, Indonesia, will be 28°C, while the lowest temperature will be 23°C. The maximum heat index, which measures the combined effect of heat and moisture, is computed to be 33°C.
The highest temperature will be in line with the average maximum of 28.9°C in October. The lowest temperature will be a couple of degrees higher than the average low of 20.8°C.

On Sunday, in Pematangsiantar, sunrise will be at 06:07 and sunset at 18:10 (WIB).

In Pematangsiantar, Indonesia, the length of the day today will be 12h and 3min.