worldweather28°Cexceptionally cool
usually 30°C–30°C
cooler than 99% of similar days
night: exceptionally cool
rain: more rain than usual
wind: stronger than usual
Weather in Indonesia - today, tomorrow and 14-day forecast
Right now temperatures across Indonesia range from 27° to 33°. Below: today's conditions city by city, a live weather map, the 14-day outlook and month-by-month climate to help you pick the best time to travel.
Country values are the median of forecasts from 10 cities; the range shows local differences. Methodology.
Weather in Indonesia's cities today
🌤️Sumbawa
33°💧 0.3 mm
🌤️Jakarta
31°💧 1.3 mm
🌤️Bintan
31°💧 1.8 mm
☀️Sumatra
31°💧 0.8 mm
☁️Bali
28°💧 0.4 mm
☀️Lombok
28°💧 0.2 mm
🌤️Alor
28°💧 0.3 mm
🌧️Borneo
27°💧 11.5 mm
🌤️Timor
27°💧 0.2 mm
☀️Sumba
27°💧 0.1 mm
Weather map - today's temperatures
Next days in Indonesia
today☀️
28°💧 0.4 mm
Sun🌧️
30°💧 0.5 mm
Mon🌧️
30°💧 0.5 mm
Tue🌤️
30°💧 0.8 mm
Wed🌧️
30°💧 0.9 mm
Thu🌧️
29°💧 1 mm
Fri🌧️
30°💧 1.7 mm
Sat🌧️
30°💧 1.1 mm
Forecast vs 1991-2020 climate normal
NASA POWERHow does the current forecast compare with normal?
We compare the coming days with weather usually observed at this time of year.
Saturday 5 Sept in Indonesia, the forecast high is 28°C. Typical daytime temperatures at this time of year range from 30°C to 30°C, so it will be exceptionally cool. It is cooler than 99% of similar days.
30°Cwarmer than usual
usually 30°C–30°C
warmer than 81% of similar days
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
30°Cwarmer than usual
usually 30°C–30°C
warmer than 75% of similar days
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
30°Ccooler than usual
usually 30°C–30°C
cooler than 77% of similar days
night: exceptionally cool
rain: more rain than usual
wind: exceptionally light
30°Ccooler than usual
usually 30°C–30°C
cooler than 80% of similar days
night: cooler than usual
rain: exceptionally wet
wind: exceptionally light
29°Cexceptionally cool
usually 30°C–30°C
cooler than 95% of similar days
night: cooler than usual
rain: exceptionally wet
wind: lighter than usual
30°Ccooler than usual
usually 30°C–31°C
cooler than 73% of similar days
night: exceptionally cool
rain: exceptionally wet
wind: typical
How warm was this week in previous years?
Each bar shows the average daily high during the same 7-day period in each year.
cooler yearstypical rangewarmer years2026 forecastcurrent forecast
From 1981 to 2025, the 5-11 Sept period averaged 30°C by day. The coolest year was 1984 (29°C) and the warmest was 1988 (31°C). The current forecast averages 30°C - lower than in 82% of historical years.
Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window. The typical range is the 20th-80th percentile. This is not a city weather-station reading and does not change the current forecast. NASA POWER Daily API.
14-day forecast - Indonesia
Indonesia 30 & 45-day weather - long-range outlook
Next 16 days · forecast
30°
around 22° at night · days with rain: 7
Weeks 3-4 · avg for September
32°
around 25° at night · rain chance 14%
Weeks 5-7 · avg for October
33°
around 25° at night · rain chance 16%
The 30 & 45-day outlook for Indonesia: the next 16 days are a numerical forecast updated daily - on average 30° by day and 22° at night. Further out we rely on multi-year climate averages: around 32° in September, and about 33° in October. Forecasts beyond two weeks are indicative only.
Today vs the next days - Indonesia cities
| City | Today | +3 days | +7 days | Rain today |
|---|---|---|---|---|
| 🌤️ Sumbawa | 33℃ | 34℃ | 35℃ | 0.3 mm |
| 🌤️ Jakarta | 31℃ | 30℃ | 31℃ | 1.3 mm |
| 🌤️ Bintan | 31℃ | 31℃ | 30℃ | 1.8 mm |
| ☀️ Sumatra | 31℃ | 36℃ | 28℃ | 0.8 mm |
| ☁️ Bali | 28℃ | 26℃ | 29℃ | 0.4 mm |
| ☀️ Lombok | 28℃ | 28℃ | 32℃ | 0.2 mm |
| 🌤️ Alor | 28℃ | 29℃ | 28℃ | 0.3 mm |
| 🌧️ Borneo | 27℃ | 28℃ | 31℃ | 11.5 mm |
| 🌤️ Timor | 27℃ | 29℃ | 28℃ | 0.2 mm |
| ☀️ Sumba | 27℃ | 30℃ | 31℃ | 0.1 mm |
Day-by-day forecast for Indonesia
Saturday5 September 2026
☀️28°clear sky
Sunday6 September 2026
🌧️30°light rain
Monday7 September 2026
🌧️30°light rain
Tuesday8 September 2026
🌤️30°a few clouds
Wednesday9 September 2026
🌧️30°light rain
Thursday10 September 2026
🌧️29°light rain
Friday11 September 2026
🌧️30°light rain
Saturday12 September 2026
🌧️30°light rain
Sunday13 September 2026
🌧️31°light rain
Monday14 September 2026
☁️31°overcast clouds
Tuesday15 September 2026
🌧️32°light rain
Wednesday16 September 2026
🌧️32°light rain
Thursday17 September 2026
☀️30°clear sky
Friday18 September 2026
🌧️31°light rain
Saturday19 September 2026
🌧️31°light rain
Sunday20 September 2026
🌤️32°scattered clouds
Sea temperature - Indonesia
| Beach | Water today | Water week avg | Waves | How's the water? |
|---|---|---|---|---|
| Bintan | 30℃ | 30℃ | 0.4 m | very warm |
| Jakarta | 30℃ | 30℃ | - | very warm |
| Sumbawa | 28℃ | 28℃ | 0.2 m | very warm |
| Alor | 28℃ | 28℃ | 0.3 m | very warm |
| Timor | 28℃ | 28℃ | - | very warm |
| Bali | 28℃ | 28℃ | 1.4 m | very warm |
| Sumba | 26℃ | 27℃ | 1.1 m | warm |
Sea-surface temperature from marine models, updated daily. See also: where the sea is warmest right now.
Air quality and smog in Indonesia
| City | PM2.5 (µg/m³) | PM10 (µg/m³) | Air quality |
|---|---|---|---|
| Dzakarta | 88.5 | 93.6 | poor |
| Bandar Lampung | 19.4 | 24.2 | good |
Based on PM2.5 thresholds. Station readings, updated daily (last reading: 2026-09-05, 08:00).
Indonesia weather through the year
Indonesia weather month by month - when is the best time to go?
Weather in other countries in Asia
Public holidays in Indonesia - when are the long weekends?
Next long weekend in Indonesia: Christmas Day (25 December, Friday) - Friday–Sunday (3 days off).
2026
25 DecemberFriday
Christmas Day
long weekend2027
1 JanuaryFriday
New Year's Day
long weekend26 MarchFriday
Good Friday
long weekend28 MarchSunday
Easter Sunday
falls on a weekend1 MaySaturday
Labour Day
falls on a weekend6 MayThursday
Ascension Day
long weekend + bridge day1 JuneTuesday
Pancasila Day
long weekend + bridge day17 AugustTuesday
Independence Day
long weekend + bridge day25 DecemberSaturday
Christmas Day
falls on a weekendPublic holidays (statutory days off) - shops, offices and some attractions may be closed. A "bridge day" is a workday between a holiday and the weekend worth taking as leave. Lunar holiday dates marked as tentative may shift by one day after the official announcement.
Calendar sources
FAQ - Indonesia weather
What is the weather like in Indonesia today?
Today it is about 28° during the day and 21° at night, clear sky.
How far ahead can I check the forecast for Indonesia?
This page shows a detailed 14-day forecast plus the long-term monthly climate, so you can plan both a short trip and a holiday months ahead.