Tomorrow’s Weather, October 17: Extreme Heat in Jakarta and Surabaya

Jakarta: Extreme Heat, with temperatures reaching 35°C

For Saturday, October 17, 2026, Jakarta’s daily forecast calls for Extreme Heat, with a minimum temperature of 27°C and a maximum of 35°C. Daily relative humidity is forecast at 44%, the chance of rain is 10%, and rainfall is forecast at 0 mm.

In the hourly forecast, the temperature is 27°C and sunny at 6 a.m. At 9 a.m., it is 32°C and sunny. At 12 p.m., it is 35°C, with Extreme Heat conditions and 44% humidity. At 3 p.m., it is 34°C and sunny, then at 9 p.m. it is 30°C and sunny. The chance of rain during all of these hours is 0%.

Surabaya: Extreme Heat, with temperatures reaching 36°C at midday

Surabaya’s daily forecast for Saturday, October 17, 2026, calls for Extreme Heat, with temperatures of 25–37°C, relative humidity of 39%, a 10% chance of rain, and 0 mm of rainfall.

In the hourly forecast, the temperature is 26°C and sunny at 6 a.m. At 9 a.m., it is 33°C with Extreme Heat conditions. At 12 p.m., it is 36°C, with Extreme Heat and 40% humidity. At 3 p.m., it is 35°C and sunny. At 6 p.m., it is 30°C and sunny. The chance of rain during these hours is 0%.

Denpasar: Sunny, with temperatures of 23–34°C

Denpasar is forecast to be sunny on Saturday, October 17, 2026, with temperatures of 23–34°C, daily relative humidity of 64%, a 10% chance of rain, and 0 mm of rainfall.

In the hourly forecast, the temperature is 23°C, sunny, with 88% humidity at 6 a.m. At 9 a.m., it is 30°C and sunny. At 12 p.m., it is 33°C and sunny, with a 0% chance of rain and winds of 4 m/s. At 3 p.m., it is 32°C and sunny, with a 0% chance of rain. At 6 p.m., it is 28°C and sunny, with a 10% chance of rain. At 9 p.m., it is 26°C and sunny.