Weather forecast for 10 daysPematangsiantar, Indonesia

10-day overview

Daily temperatures

Warmest period: Saturday - Sunday 30°C.
Minimum temperature: 29°C.

Chance of precipitation

Highest chance: Monday 73%.

Long-term weather forecast

  • Wednesday
  • 28. Oct 2026
  • 29°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 37%
  • Precipitation: 0mm
  • Wind: 11km/hE 79°
  • Humidity: 85%
  • UV index: 7
  • Sunrise: 06:06 WIB
  • Sunset: 18:08 WIB
  • ▼
  • Thursday
  • 29. Oct 2026
  • 29°C
  • 23°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 49%
  • Precipitation: 8mm
  • Wind: 13km/hNE 50°
  • Humidity: 82%
  • UV index: 11
  • Sunrise: 06:06 WIB
  • Sunset: 18:08 WIB
  • ▼
  • Friday
  • 30. Oct 2026
  • 29°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 48%
  • Precipitation: 11mm
  • Wind: 11km/hENE 72°
  • Humidity: 82%
  • UV index: 10
  • Sunrise: 06:06 WIB
  • Sunset: 18:08 WIB
  • ▼
  • Saturday
  • 31. Oct 2026
  • 30°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 65%
  • Precipitation: 4mm
  • Wind: 11km/hENE 66°
  • Humidity: 83%
  • UV index: 11
  • Sunrise: 06:06 WIB
  • Sunset: 18:07 WIB
  • ▼
  • Sunday
  • 1. Nov 2026
  • 30°C
  • 22°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 7mm
  • Wind: 12km/hENE 68°
  • Humidity: 83%
  • UV index: 11
  • Sunrise: 06:06 WIB
  • Sunset: 18:07 WIB
  • ▼
  • Monday
  • 2. Nov 2026
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 73%
  • Precipitation: 7mm
  • Wind: 11km/hNNE 26°
  • Humidity: 84%
  • UV index: 11
  • Sunrise: 06:06 WIB
  • Sunset: 18:07 WIB
  • ▼
  • Tuesday
  • 3. Nov 2026
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 69%
  • Precipitation: 12mm
  • Wind: 11km/hN 351°
  • Humidity: 84%
  • UV index: 11
  • Sunrise: 06:06 WIB
  • Sunset: 18:07 WIB
  • ▼
  • Wednesday
  • 4. Nov 2026
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 12mm
  • Wind: 11km/hENE 75°
  • Humidity: 83%
  • UV index: 11
  • Sunrise: 06:07 WIB
  • Sunset: 18:07 WIB
  • ▼
  • Thursday
  • 5. Nov 2026
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 12mm
  • Wind: 11km/hNE 41°
  • Humidity: 85%
  • UV index: 10
  • Sunrise: 06:07 WIB
  • Sunset: 18:07 WIB
  • ▼
  • Friday
  • 6. Nov 2026
  • 29°C
  • 22°C
Thunderstorms
Thunderstorms
  • Precip. probability: 60%
  • Precipitation: 12mm
  • Wind: 11km/hNE 38°
  • Humidity: 86%
  • UV index: 10
  • Sunrise: 06:07 WIB
  • Sunset: 18:07 WIB
  • ▼
Forecasts for the ten-day outlook show that rainy weather and thunderstorms are anticipated daily.
Rainfall is forecasted for Thursday through next Friday. With moderate precipitation of 12mm, Tuesday through next Friday will be the wettest days.
Temperature variation will be minimal throughout the coming week. Maximum temperatures will fall between 29°C and 30°C, while the lowest nightly temperature differences will be also negligible, as night temperatures will lie between 22°C and 23°C.
Saturday and Sunday, with the highest temperature of 30°C, will be the hottest days in Pematangsiantar; the rest of the days are expected to have a maximum temperature of 29°C.
Including the humidity's impact, the maximum feel-like temperature may increase considerably and vary between a fiery hot 35°C and a very hot 39°C.
Updated: Oct 27, 2026 @ 17:59:41 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

In Pematangsiantar, lightning activity with storms is expected each day for the next ten days.

In Pematangsiantar, rainfall is forecasted almost every day for the next ten days. With moderate precipitation of 12mm, Tuesday through next Friday will be the wettest days.

The maximum temperature will vary between 29°C and 30°C, while the minimum temperature will be between 22°C and 23°C.
Including the humidity's impact, the maximum feel-like temperature will range between 35°C and 39°C.

The hottest days will be Saturday and Sunday, with a maximum of 30°C. All other days, the maximum temperature will be the same 29°C.

On Saturday, afternoon thunderstorms are expected, possibly with frequent lightning.

Light precipitation of 4mm is anticipated on Saturday. The chance of rainfall is 65%.

On Saturday, the maximum temperature will be 30°C, while the minimum temperature will be 22°C.

On Sunday, storms with thunder and lightning are expected during the afternoon.

With a probability of 62%, light precipitation of 7mm is forecasted on Sunday.

On Sunday, the highest temperature will be 30°C, while the lowest temperature will be 22°C.