Weather in Borneo - 14-day forecast

Detailed weather forecast for Borneo, Indonesia: daytime and night temperature, rain, sunrise and sunset - today and for the next two weeks.

Forecast for the next days in Borneo

today🌧️ 27°💧 11.5 mm

Sun🌧️ 31°💧 1.2 mm

Mon🌧️ 31°💧 4.7 mm

Tue🌧️ 28°💧 21.4 mm

Wed🌧️ 23°💧 5 mm

Thu🌧️ 29°💧 9.5 mm

Fri🌧️ 26°💧 20.1 mm

Sat🌧️ 31°💧 5.8 mm

Forecast vs 1991-2020 climate normal

How does the current forecast compare with normal?

We compare the coming days with weather usually observed at this time of year.

NASA POWER

Sunday 6 Sept in Borneo, the forecast high is 31°C. Typical daytime temperatures at this time of year range from 25°C to 27°C, so it will be exceptionally warm. It is warmer than 99% of similar days.

Saturday 5 Sept

27°Cexceptionally warm

usually 25°C–27°C

warmer than 90% of similar days

night: exceptionally warm rain: more rain than usual wind: exceptionally strong

Sunday 6 Sept

31°Cexceptionally warm

usually 25°C–27°C

warmer than 99% of similar days

night: exceptionally warm rain: typical rainfall wind: exceptionally strong

Monday 7 Sept

31°Cexceptionally warm

usually 25°C–27°C

warmer than 99% of similar days

night: exceptionally warm rain: typical rainfall wind: exceptionally strong

Tuesday 8 Sept

28°Cexceptionally warm

usually 25°C–27°C

warmer than 99% of similar days

night: exceptionally warm rain: exceptionally wet wind: stronger than usual

Wednesday 9 Sept

23°Cexceptionally cool

usually 25°C–27°C

cooler than 96% of similar days

night: exceptionally warm rain: typical rainfall wind: stronger than usual

Thursday 10 Sept

29°Cexceptionally warm

usually 25°C–27°C

warmer than 99% of similar days

night: exceptionally warm rain: more rain than usual wind: exceptionally strong

Friday 11 Sept

26°Cnear normal

usually 25°C–27°C

night: exceptionally warm rain: exceptionally wet wind: exceptionally strong

How warm was this week in previous years?

Each bar shows the average daily high during the same 7-day period in each year.

swipe to see more years →

cooler yearstypical rangewarmer years2026 forecastcurrent forecast

From 1981 to 2025, the 5-11 Sept period averaged 26°C by day. The coolest year was 1984 (24°C) and the warmest was 2019 (27°C). The current forecast averages 28°C - higher than in 100% 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Historical reference: NASA POWER daily gridded data (MERRA-2), the 1991-2020 normal and a +/- 7-day calendar window.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 - Borneo

Borneo - 14-day weather forecast infographic

Day-by-day forecast for Borneo

Saturday5 September 2026

🌧️27°moderate rain

sunrise 06:18 · sunset 18:26 · night 22° · evening 24° · rain 11.47 mm · humidity 81% · wind 2 m/s · clouds 82%

Sunday6 September 2026

🌧️31°light rain

sunrise 06:18 · sunset 18:25 · night 22° · evening 26° · rain 1.24 mm · humidity 51% · wind 2 m/s · clouds 77%

Monday7 September 2026

🌧️31°moderate rain

sunrise 06:18 · sunset 18:25 · night 22° · evening 24° · rain 4.73 mm · humidity 54% · wind 2 m/s · clouds 100%

Tuesday8 September 2026

🌧️28°moderate rain

sunrise 06:17 · sunset 18:25 · night 22° · evening 26° · rain 21.37 mm · humidity 77% · wind 1 m/s · clouds 77%

Wednesday9 September 2026

🌧️23°light rain

sunrise 06:17 · sunset 18:24 · night 22° · evening 26° · rain 5.04 mm · humidity 94% · wind 1 m/s · clouds 100%

Thursday10 September 2026

🌧️29°moderate rain

sunrise 06:17 · sunset 18:24 · night 22° · evening 28° · rain 9.46 mm · humidity 60% · wind 2 m/s · clouds 100%

Friday11 September 2026

🌧️26°moderate rain

sunrise 06:16 · sunset 18:23 · night 21° · evening 23° · rain 20.07 mm · humidity 90% · wind 1 m/s · clouds 99%

Saturday12 September 2026

🌧️31°light rain

sunrise 06:16 · sunset 18:23 · night 22° · evening 28° · rain 5.79 mm · humidity 53% · wind 2 m/s · clouds 77%

Sunday13 September 2026

🌧️26°light rain

sunrise 06:16 · sunset 18:23 · night 21° · evening 23° · rain 4.29 mm · humidity 81% · wind 1 m/s · clouds 90%

Monday14 September 2026

🌧️31°light rain

sunrise 06:15 · sunset 18:22 · night 23° · evening 25° · rain 2.91 mm · humidity 50% · wind 2 m/s · clouds 47%

Tuesday15 September 2026

🌧️26°moderate rain

sunrise 06:15 · sunset 18:22 · night 22° · evening 24° · rain 25.5 mm · humidity 90% · wind 1 m/s · clouds 70%

Wednesday16 September 2026

🌧️23°heavy rain

sunrise 06:15 · sunset 18:22 · night 21° · evening 22° · rain 31.65 mm · humidity 100% · wind 1 m/s · clouds 100%

Thursday17 September 2026

🌧️28°light rain

sunrise 06:14 · sunset 18:21 · night 22° · evening 27° · rain 5.73 mm · humidity 67% · wind 2 m/s · clouds 72%

Friday18 September 2026

🌧️30°light rain

sunrise 06:14 · sunset 18:21 · night 22° · evening 26° · rain 8.04 mm · humidity 57% · wind 2 m/s · clouds 99%

Saturday19 September 2026

🌧️30°light rain

sunrise 06:14 · sunset 18:20 · night 22° · evening 26° · rain 4.59 mm · humidity 60% · wind 1 m/s · clouds 86%

Sunday20 September 2026

🌧️26°light rain

sunrise 06:13 · sunset 18:20 · night 23° · evening 28° · rain 3.6 mm · humidity 77% · wind 2 m/s · clouds 100%

UV index in Borneo - is it safe to sunbathe?

Today the UV index in Borneo is 9 (very high) - unprotected fair skin can burn in about 20 minutes. SPF 50, long sleeves and shade between 10:00 and 16:00.

Upcoming public holidays in Indonesia: Christmas Day — 25 December · New Year's Day — 1 January · Good Friday — 26 March.

Nearby and related places

MiriKuala BelaitBandar Seri BegawanJakartaBintanLombokBaliSumatraAlor

FAQ - Borneo weather

What is the weather like in Borneo today?

Today it is about 27° during the day and 22° at night, moderate rain.

How far ahead can I check the forecast for Borneo?

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.