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Weather in Pematangsiantar, Indonesia 🇮🇩

Weather Forecast in Pematangsiantar

Current Weather in Pematangsiantar

Light rain shower
21°C
Feels like 17°C. Light rain shower.
🌬️ 4 km/h W
💧 96% Humidity
🧭 1013 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 20°C
🌅 Sunrise: 06:22 AM
🌇 Sunset: 06:38 PM
Map Overlays:

Right now Pematangsiantar is 21°C with light rain shower, feeling like 17°C. Expect 96% humidity and winds of about 4 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Pematangsiantar range from about 19°C to 31°C.

Hourly Forecast for Pematangsiantar

20:00
Light rain shower
20°
47%
21:00
Mist
20°
35%
22:00
Mist
20°
24%
23:00
Mist
20°
23%
00:00
Mist
20°
24%
01:00
Mist
20°
23%
02:00
Mist
19°
23%
03:00
Mist
19°
35%
04:00
Mist
19°
22%
05:00
Mist
19°
22%
06:00
Mist
19°
23%
07:00
Smoky haze
20°
18%
08:00
Smoky haze
24°
13%
09:00
Patchy rain nearby
27°
19%
10:00
Patchy rain nearby
28°
21%
11:00
Patchy rain nearby
28°
26%
12:00
Light rain shower
29°
36%
13:00
Light rain shower
29°
47%
14:00
Patchy rain nearby
29°
29%
15:00
Patchy rain nearby
28°
36%
16:00
Patchy rain nearby
28°
31%
17:00
Light rain shower
26°
67%
18:00
Patchy rain nearby
23°
60%
19:00
Patchy rain nearby
21°
66%

14-Day Forecast for Pematangsiantar

Tue, Jul 21
Light rain shower Light rain shower
26° / 20°
Wed, Jul 22
Patchy rain nearby Patchy rain nearby
29° / 19°
Thu, Jul 23
Patchy rain nearby Patchy rain nearby
31° / 19°
Fri, Jul 24
Mist Mist
30° / 19°
Sat, Jul 25
Light rain shower Light rain shower
29° / 19°
Sun, Jul 26
Patchy rain nearby Patchy rain nearby
28° / 20°
Mon, Jul 27
Patchy rain nearby Patchy rain nearby
31° / 19°
Tue, Jul 28
Sunny Sunny
31° / 19°
Wed, Jul 29
Sunny Sunny
30° / 18°
Thu, Jul 30
Partly Cloudy Partly Cloudy
31° / 19°
Fri, Jul 31
Partly Cloudy Partly Cloudy
32° / 20°
Sat, Aug 01
Patchy rain nearby Patchy rain nearby
27° / 20°
Sun, Aug 02
Light rain shower Light rain shower
24° / 19°
Mon, Aug 03
Patchy rain nearby Patchy rain nearby
30° / 19°

Additional Forecasts for Pematangsiantar

Air Quality

💨 US EPA Index 2 (Moderate)
CO (Carbon Monoxide) 360.0 μg/m³
O₃ (Ozone) 58.0 μg/m³
NO₂ (Nitrogen Dioxide) 11.3 μg/m³
SO₂ (Sulphur Dioxide) 3.8 μg/m³
PM2.5 (Fine particles) 21.8 μg/m³
PM10 (Coarse particles) 22.0 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Indonesia

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Best Time to Be Outside in Pematangsiantar Tomorrow

There is no good daylight window left in Pematangsiantar today. Tomorrow, the most comfortable window looks like 07:00 to 09:00, when it is around 23°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Pematangsiantar

What is the temperature in Pematangsiantar right now?

Pematangsiantar is sitting at 21°C (70°F) right now, light rain shower (feels like 17°C).

What's the weather like in Pematangsiantar right now?

Conditions in Pematangsiantar right now: Light rain shower, humidity 96%, wind 4 km/h W.

What is today's forecast for Pematangsiantar?

Today in Pematangsiantar: high 26°C, low 20°C, light rain shower. Chance of rain: 86%.

What is the 7-day weather forecast for Pematangsiantar?

Daily highs and lows for Pematangsiantar:

  • 2026-07-21: 26°C / 20°C
  • 2026-07-22: 29°C / 19°C
  • 2026-07-23: 31°C / 19°C
  • 2026-07-24: 30°C / 19°C
  • 2026-07-25: 29°C / 19°C
  • 2026-07-26: 28°C / 20°C
  • 2026-07-27: 31°C / 19°C
Is it going to rain in Pematangsiantar today?

There is a 86% chance of rain in Pematangsiantar today. Total expected precipitation: 8.51 mm.

What is the wind speed in Pematangsiantar right now?

Wind in Pematangsiantar is currently 4 km/h (2 mph) from the W.

What is the UV index in Pematangsiantar right now?

The UV index in Pematangsiantar is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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