See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
22°
Humid and Partly Cloudy
Feels Like: 19°
Min: 22°
Max: 32°
The next few hours will be mostly clear, with today reaching 31°C and dropping to 21°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:17
Sunrise
17:17
Sunset
Moon
Waxing Gibbous
12:57
Moonrise
01:50
Moonset
Daily Forecast
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Air Quality Data Available
Upgrade to access real-time air quality data for Jember.
Resources
UV Index
Humidity
Current stargazing conditions?
See sky darkness, moon phase, and the best viewing window for Jember.
View stargazing scoreWeather in Jember today, September 21, 2026
Jember looks damp on September 21, 2026, so plan for wet spells during the day. Early travel and outdoor time should assume rain can arrive quickly. Morning skies stay relatively clear, holding cloud close to 46% near 02:00. The early part of the day favours being outside.
Temperatures climb from an overnight low near 22°C toward a daytime high of about 32°C. Relative humidity sits between 56% and 98%, reaching its peak around 02:00. Expect gentle winds, highest near 13:00 at 4.1 km/h.
Through the afternoon wet weather remains a factor, with rain chances near 20% around 17:00. Cloud also stays substantial, close to 45% near 13:00. Expect visibility around 16.1 km. Expect sunrise at 05:17, sunset at 17:17, and 12 hours 0 minutes of sunlight today overall.
Taken together, Jember looks wet enough on September 21, 2026 that flexible outdoor plans work best, with temperatures peaking near 32°C.
Frequently asked questions about weather in Jember
How warm does it get in Jember?
The warmest month in Jember is April, with average high temperatures of 29°C. The average temperature during this period is around 25°C.
How cold does it get in Jember?
The coldest month in Jember is August, with average low temperatures of 19°C. The average temperature during this period is around 23°C.
What is the wettest time of year in Jember?
The wettest month in Jember is November, with an average of 372mm of precipitation.
What is the driest time of year in Jember?
The driest month in Jember is August, with an average of 41mm of precipitation.
Explore more weather forecasts
- Bondowoso, Jawa Timur
- Jakarta, Daerah Khusus Ibukota Jakarta
- Kencong, Jawa Timur
- Surabaya, Jawa Timur
- Besuki, Jawa Timur
- Bekasi, Jawa Barat
- Lumajang, Jawa Timur
- Bandung, Jawa Barat
- Genteng, Jawa Timur
- Medan, North Sumatra
- Balung, Jawa Timur
- Depok, Jawa Barat
- Gambiran Satu, Jawa Timur
- Tangerang, Banten
- Kraksaan, Jawa Timur
- Palembang, Sumatera Selatan
