Tomorrow’s Weather, October 18: Extreme Heat in Jakarta and Surabaya

Jakarta: Extreme Heat on Sunday, October 18

Tomorrow, Sunday, October 18, 2026, Jakarta is forecast to be in the Extreme Heat category, with a minimum temperature of 27°C and a maximum of 35°C. Daily humidity is forecast at 47%, the chance of rain is 10%, and rainfall is forecast at 0 mm.

At 6 a.m. WIB, the temperature is forecast to be 27°C with sunny skies and 69% humidity. At noon WIB, the temperature is forecast to reach 35°C under Extreme Heat conditions, with 47% humidity and a 0% chance of rain. At 3 p.m. WIB, the temperature is forecast to be 33°C with sunny skies and winds of 4 m/s. At 9 p.m. WIB, the temperature is forecast to be 29°C with sunny skies and a 10% chance of rain.

Surabaya: High of 36°C, Extreme Heat status

Surabaya is forecast to be in the Extreme Heat category on Sunday, October 18, 2026, with a minimum temperature of 25°C and a maximum of 36°C. Daily humidity is forecast at 47%, the chance of rain is 10%, and rainfall is forecast at 0 mm.

At 9 a.m. WIB, the temperature is forecast to be 33°C with sunny skies, 53% humidity, and winds of 1 m/s. At noon WIB, the temperature is forecast to reach 36°C under Extreme Heat conditions, with 48% humidity, a 0% chance of rain, and winds of 3 m/s. At 6 p.m. WIB, the temperature is forecast to be 30°C with sunny skies, 63% humidity, and winds of 4 m/s.

Denpasar: Sunny, with temperatures from 24 to 33°C

Denpasar is forecast to be sunny on Sunday, October 18, 2026, with a minimum temperature of 24°C and a maximum of 33°C. Daily humidity is forecast at 68%, the chance of rain is 10%, and rainfall is forecast at 0 mm.

At 6 a.m. WITA, the temperature is forecast to be 24°C, with 89% humidity and winds of 1 m/s. At noon WITA, the temperature is forecast to reach 33°C, with 68% humidity, a 0% chance of rain, and winds of 4 m/s. At 6 p.m. WITA, the temperature is forecast to be 28°C, with a 10% chance of rain. At 9 p.m. WITA, the temperature is forecast to be 26°C with sunny skies and 89% humidity.