See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
23°
Humid and Overcast
Feels Like: 22°
Min: 21°
Max: 28°
The next few hours will be humid and overcast, with tomorrow reaching 29°C and dropping to 21°C. The coming days will be light rain
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:20
Sunrise
18:22
Sunset
Moon
Waning Crescent
03:32
Moonrise
15:12
Moonset
Daily Forecast
Today
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
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Humidity
Weather in Pematangsiantar tomorrow, September 08, 2026
Pematangsiantar looks damp on September 08, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. The morning carries the wetter risk, with rain chances near 40% and the highest odds around 11:00. Cloud is also thick early on, peaking near 85% around 10:00.
The day peaks near 29°C and cools toward 21°C. Relative humidity sits between 64% and 95%, reaching its peak around 00:00. Expect gentle winds, highest near 13:00 at 2.5 km/h.
The second half of the day still looks unsettled, with rain probability around 98% by 14:00. Dense cloud near 85% at 12:00 keeps the feel grey. Visibility holds near 14.7 km, though it can fall to 5.4 km. Sunrise is at 06:19 and sunset at 18:21, giving 12 hours 2 minutes of sunlight today.
In short, treat September 08, 2026 in Pematangsiantar as a damp day: pack covers, watch the wetter hours, and expect a high near 29°C.
Frequently asked questions about weather in Pematangsiantar
How warm does it get in Pematangsiantar?
The warmest month in Pematangsiantar is January, with average high temperatures of 2°C. The average temperature during this period is around 1°C.
How cold does it get in Pematangsiantar?
The coldest month in Pematangsiantar is April, with average low temperatures of 1°C. The average temperature during this period is around 1°C.
What is the wettest time of year in Pematangsiantar?
The wettest month in Pematangsiantar is January, with an average of 27mm of precipitation.
What is the driest time of year in Pematangsiantar?
The driest month in Pematangsiantar is September, with an average of 3mm of precipitation.
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