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Weather in Semarang

Central Java · 1 694 740 inhabitants · Friday, September 18 · updated 00h29

Air : Mauvais Hot · 9 j Low storm risk · Mon

25°

Mainly clear

Feels like 34°C

Wind

6 km/h

Gusts

6 km/h

Humidity

85 %

Pressure

1012 hPa

Clouds

20 %

Storm

Rise 05h29 Set 17h36 Day 12h07 UV 10 · Very high

Detailed forecast

Trend

Night

Mainly clear

25°24°

Feels like 34°

Wind ↑ S 6 km/h

Humidity 85 %

Morning

Clear sky

32°25°

Feels like 38°

Wind ↑ E 12 km/h

Humidity 42 %

Afternoon

Partly cloudy

32°29°

Feels like 41°

Wind ↑ NNO 22 km/h

Humidity 55 %

Evening

Rain showers

28°26°

Feels like 39°

Wind ↑ NE 6 km/h

Gusts 22 km/h

Humidity 76 %

💧 0.8 mm

25°

SSE 8

10h

32°

E 12

13h

32°

N 5

16h

29°

NNO 22

19h

28°

NE 1

22h

26°

0.8mm

SSO 6

26°

0.8mm

SSE 6

24°

0.1mm

SSE 8

Weather charts for Semarang · 7 days

Temperatures over 7 days

▲ +1.7° above seasonal normals this week

Highs Lows Seasonal normal (1991-2020 average)

Hourly detail

Temperature (°C) Precipitation (mm) Wind (km/h)

Air quality & pollen in Semarang

4/6

Mauvais

European Air Quality Index (EAQI) · CAMS source

PM2.533µg/m³

PM1036µg/m³

CAMS data (Copernicus) · air quality and pollen refreshed several times a day.

Rain in Semarang: live radar and next-hour forecast

Will it rain in Semarang? Track precipitation live on the radar and anticipate showers in the next hour — the +1 h extrapolation is based on the real movement of rain cells.

Full-screen radar · rain within the hour

Rain radar Observed, then extrapolation up to +1h (real cell movement) · drag the timeline

Moon calendar for Semarang

Waxing crescent

44 % illuminated · 6,8 days

Rise 09h25 Set 22h29

Sat 19/9 55% First quarter

Sun 20/9 65%

Mon 21/9 75%

Tue 22/9 83%

Wed 23/9 90%

Thu 24/9 96%

Fri 25/9 99%

Sat 26/9 100% Full moon

Sun 27/9 99%

Mon 28/9 95%

Tue 29/9 90%

Wed 30/9 83%

Rise and set in local time (Asia/Jakarta) · phases and illumination computed by SkiesAtlas (synodic model).

Sea, waves and tides in Semarang

Reference port: Semarang

🌊 Water temperature

28,5 °C

satellite, 18/9

Sea state

Rippled

waves 0,3 m

Period

3 s

Swell

0,3 m

ThuThu 17/09

Low tide 11:13 0,5 m

High tide 16:35 0,7 m

Low tide 21:30 0,5 m

TodayFri 18/09

High tide 04:22 0,9 m

Low tide 11:33 0,4 m

High tide 17:07 0,6 m

Low tide 21:37 0,5 m

TomorrowSat 19/09

High tide 04:34 1,0 m

Low tide 11:55 0,4 m

High tide 17:29 0,6 m

Low tide 21:42 0,5 m

SunSun 20/09

High tide 04:47 1,0 m

Low tide 12:15 0,4 m

High tide 17:43 0,6 m

Low tide 21:47 0,5 m

Heights are indicative, relative to chart datum · coefficient from 20 (neap) to 120 (spring) · full details on TidesAtlas

Weather history for Semarang

What was the weather in Semarang on a past date? Pick a day — ERA5 reanalysis data (ECMWF / Copernicus C3S), available up to one week ago.

The weather in Semarang

Find the full weather for Semarang, Central Java: current conditions, forecast by time of day (morning, afternoon, evening) and a 7-day trend. Right now the sky is “mainly clear” with 25 °C (feels like 34 °C) and wind at 6 km/h.

Today, temperatures range from 24 °C to 32 °C, with about 2 mm of rain, with a storm risk to watch, under strong heat. Forecast computed by our multi-model engine SkiesAtlas (ECMWF-AIFS, NOAA GFS, DWD ICON): cloud cover calibrated on METAR observations, convective energy (CAPE) for storms, and tides for Semarang.

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