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Cilegon weather

Banten · 470,378 inhabitants · Thursday, October 29 · updated 23:58

Raining now Air: Very poor Moderate storm risk · Today, Tomorrow, Sat

27°

Rain showers

Feels like 39°C

Wind

4 km/h

Gusts

4 km/h

Humidity

83 %

Pressure

1013 hPa

Clouds

28 %

Storm

Moderate

Rise 05:30 Set 17:48 Day 12 h 18 min UV 10 · Very high

Morning, afternoon, evening

Trend

Evening

Rain showers

27°

Feels like 39°

Wind ↑ ENE 5 km/h

Humidity 83 %

💧 2.9 mm

⚡ storm

01:00

26°

3.9mm

SSW 3

04:00

27°

2.4mm

WNW 2

Cilegon forecast in charts · next 7 days

The week ahead: highs and lows

▲ This week runs +2.1° warmer than usual

Highs Lows Usual for the season (1991–2020 average)

Hourly detail

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

Cilegon climate: what a normal year looks like

The thermometer moves little from one season to the next: typical afternoon highs range from 29 °C in January to 30 °C in October, and the coolest nights (August) average 24 °C.

A normal year brings roughly 2,300 mm of rain — more than 92% of the towns of 20,000+ people we compared it with.

Days are almost the same length all year: 11 h 46 min of daylight in late June, 12 h 28 min in late December.

Forecast highs for the coming week average 31 °C, 1 °C warmer than a normal October (30 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	29 °C	25 °C	297 mm
Feb	29 °C	25 °C	276 mm
Mar	29 °C	25 °C	260 mm
Apr	30 °C	26 °C	226 mm
May	30 °C	26 °C	170 mm
Jun	30 °C	25 °C	127 mm
Jul	29 °C	25 °C	101 mm
Aug	30 °C	24 °C	79 mm
Sep	30 °C	25 °C	83 mm
Oct	30 °C	25 °C	145 mm
Nov	30 °C	25 °C	232 mm
Dec	29 °C	25 °C	302 mm
Whole year	30 °C	25 °C	2,300 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 6.01° S, 106.05° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.

Air you breathe in Cilegon: pollution and pollen

5/6

Very poor

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.557µg/m³

PM1058µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Cilegon

Rain observed over the last two hours by official weather radars around Cilegon, followed by the radar forecast for the next hour where the weather service provides one.

Rain radar Last two hours, then forecast where available · drag the timeline

No open weather radar covers Cilegon yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Cilegon

Waning gibbous

87 % illuminated · 18.3 days

Rise 19:53 Set 07:03

Fri 30/10 79%

Sat 31/10 69%

Sun 1/11 59%

Mon 2/11 49% Last quarter

Tue 3/11 38%

Wed 4/11 28%

Thu 5/11 19%

Fri 6/11 12%

Sat 7/11 6%

Sun 8/11 2%

Mon 9/11 0%

Tue 10/11 1% New moon

Moonrise and moonset in local time (Asia/Jakarta); phase and lit fraction from a synodic calculation.

Look up a past day in Cilegon

Curious about the weather in Cilegon on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.

Cilegon weather at a glance

This page gathers everything about the weather in Cilegon, Banten: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “rain showers”, it is 27 °C (feels like 39 °C) and the wind blows at 4 km/h.

Expected range today: 26 °C to 30 °C and around 10 mm of rain; keep an eye on thunderstorms. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.

Other big cities nearby

Serang 16 km 28°

Tangerang 66 km 28°

South Tangerang 79 km 28°

Cilegon weather data for developers

Use the Cilegon forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.

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Where does this forecast come from? Our engine, checked every day against 1125 weather stations