Weather forecast for tomorrowSumber, Indonesia

Weather forecast for tomorrow

Friday 30. Oct 2026

  • 34°C
  • 25°C
PM Thunderstorms
PM Thunderstorms
  • Precip. probability: 70%
  • Precipitation: 8mm
  • Wind: 11km/hSE 146°
  • Humidity: 68%
  • UV index: 11
  • Sunrise: 05:19 WIB
  • Sunset: 17:39 WIB
  • ▼
Tomorrow, on Friday, storm clouds will develop in the afternoon, bringing thunder and rain.
The chance of precipitation is high. However, the rain will be light. Expected temperature values will span from a blazing 34°C down to a warm 25°C.
The maximum heat index, which combines air temperature and relative humidity, is evaluated at a dangerously hot 46°C. Take into consideration that the heat index values are calculated for shade and light wind conditions. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
The expected high will be a few degrees higher than October's standard temperature of 31.8°C.
Sunrise will be at 05:19 and sunset at 17:39; tomorrow's daylight will last for 12h and 20min.

Hourly overview

Hourly temperatures

Warmest hour: 12h 41°C.
Coldest period: 3h - 6h 30°C.

Chance of precipitation

Highest chance: 15h 71%.

Hourly weather forecast

  • 0h
  • 27°C
  • Feels like:
    32°C
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0mm
  • Wind: 5km/hSW 215°
  • Humidity: 86%
  • Pressure: 1013mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 2h
  • 27°C
  • Feels like:
    31°C
Showers
Showers
  • Precip. probability: 51%
  • Precipitation: 2mm
  • Wind: 5km/hSW 223°
  • Humidity: 87%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 4h
  • 26°C
  • Feels like:
    30°C
Showers
Showers
  • Precip. probability: 45%
  • Precipitation: 1mm
  • Wind: 4km/hSW 220°
  • Humidity: 89%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
Sunrise: 05:19
  • 6h
  • 26°C
  • Feels like:
    30°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0mm
  • Wind: 4km/hSW 222°
  • Humidity: 89%
  • Pressure: 1014mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 8h
  • 30°C
  • Feels like:
    35°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0mm
  • Wind: 7km/hS 186°
  • Humidity: 75%
  • Pressure: 1015mbar
  • Visibility: 8km
  • UV index: 4
  • ▼
  • 10h
  • 33°C
  • Feels like:
    39°C
Cloudy
Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 7km/hSE 130°
  • Humidity: 61%
  • Pressure: 1014mbar
  • Visibility: 8km
  • UV index: 9
  • ▼
  • 12h
  • 34°C
  • Feels like:
    41°C
Scattered Thunderstorms
Scattered Thunderstorms
  • Precip. probability: 44%
  • Precipitation: 1mm
  • Wind: 10km/hE 98°
  • Humidity: 59%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 11
  • ▼
  • 14h
  • 34°C
  • Feels like:
    41°C
Thunderstorms
Thunderstorms
  • Precip. probability: 67%
  • Precipitation: 2mm
  • Wind: 11km/hESE 104°
  • Humidity: 60%
  • Pressure: 1011mbar
  • Visibility: 8km
  • UV index: 7
  • ▼
  • 16h
  • 31°C
  • Feels like:
    38°C
Thunderstorms
Thunderstorms
  • Precip. probability: 62%
  • Precipitation: 3mm
  • Wind: 10km/hSSE 149°
  • Humidity: 69%
  • Pressure: 1012mbar
  • Visibility: 7km
  • UV index: 1
  • ▼
Sunset: 17:39
  • 18h
  • 28°C
  • Feels like:
    34°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0mm
  • Wind: 8km/hSW 216°
  • Humidity: 82%
  • Pressure: 1013mbar
  • Visibility: 8km
  • UV index: 0
  • ▼
  • 20h
  • 27°C
  • Feels like:
    31°C
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 5km/hSSW 210°
  • Humidity: 87%
  • Pressure: 1014mbar
  • Visibility: 7km
  • UV index: 0
  • ▼
  • 22h
  • 26°C
  • Feels like:
    30°C
Cloudy
Cloudy
  • Precip. probability: 18%
  • Precipitation: 0mm
  • Wind: 5km/hSW 215°
  • Humidity: 88%
  • Pressure: 1015mbar
  • Visibility: 6km
  • UV index: 0
  • ▼
Tomorrow, on Friday, a combination of cloud-filled, lightning-active and wet weather is forecasted.
Rain is forecasted from 2h to 5h, and from 12h to 17h. The most intense rain will be falling at 3h and 16h.
The temperature will be between a minimum of 26°C and a maximum of 34°C. The feels-like temperature will vary between a minimum of 30°C and a maximum of 41°C. The hottest part of the day will be from 12h to 14h.
The maximum temperature will be slightly warmer than October's average high of 31.8°C. The lowest temperature is also consistent with October's typical minimum of 24.3°C.
October in Sumber brings peak warmth, with average high temperatures of 31.8°C and lows of 24.3°C.
Updated: Oct 29, 2026 @ 15:32:08 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Friday, in Sumber, storms with thunder and lightning are expected during the afternoon.

Light precipitation of 8mm is expected in Sumber. The possibility of rainfall is 70%.

Tomorrow, the highest temperature will be 34°C, while the lowest temperature will be 25°C. The maximum heat index, which represents the influence of relative humidity on air temperature, is evaluated at 46°C.
The maximum temperature will be a few degrees higher than the average highest temperature of 31.8°C in October. The lowest temperature will be in line with the average low of 24.3°C.

On Friday, in Sumber, sunrise will be at 05:19 and sunset at 17:39 (WIB).

Tomorrow, the daylight will last for 12h and 20min.