Weather in Semarang

14-day forecast · updated today, Thursday, October 29, at 12:28 pm (GMT+7)

Now · clear sky 96 °F

Feels like: 108 °F
Low / high: 79 / 96 °F
Rain: 98% · 0.17 in
Wind: 4 mph NE

↘ 29.84 inHg · falling UV 9 · very high

Today in Semarang: light showers, 79 °F to 96 °F, with a 98% chance of rain (0.17 in) and a light breeze from the northeast (4 mph). Tomorrow, light showers, 78 °F to 91 °F and a 100% chance of rain. The warmest day of the week is Thursday 29, at 96 °F.

Measured now at the airport

Semarang/Uani (WAHS), 3.4 mi away · 28 min ago

Visibility3.7 mi

WeatherNothing to note

Temperature91 °F

Wind14 mph from the north

It's what the airport's weather station measured, not a forecast: on the coast, wind and fog can be different. Airports report every 30 or 60 minutes.

Airport METAR report, via NOAA's Aviation Weather Center (aviationweather.gov). Sources and licenses

Temperatures for the next 14 days

96° 79°
Today
91° 78°
Fri 30
95° 76°
Sat 31
93° 76°
Sun 1
94° 76°
Mon 2
95° 75°
Tue 3
94° 76°
Wed 4
94° 76°
Thu 5
93° 75°
Fri 6
94° 77°
Sat 7
88° 76°
Sun 8
92° 77°
Mon 9
93° 75°
Tue 10
94° 76°
Wed 11

Day by day

Day	Sky	Low / high	Rain	Max wind	Max wave	Model
Today · 29	Light showers	79 / 96 °F	98% · 0.17 in	6 mph E	0.7 ft	ECMWF
Fri 30	Light showers	78 / 91 °F	100% · 0.32 in	11 mph E	0.3 ft	ECMWF
Sat 31	Heavy drizzle	76 / 95 °F	100% · 0.12 in	9 mph ESE	0.4 ft	ECMWF
Sun 1	Heavy drizzle	76 / 93 °F	74% · 0.21 in	8 mph ENE	0.7 ft	ECMWF
Mon 2	Heavy drizzle	76 / 94 °F	98% · 0.17 in	7 mph ESE	0.6 ft	ECMWF
Tue 3	Drizzle	75 / 95 °F	79% · 0.14 in	9 mph ESE	0.7 ft	ECMWF
Wed 4	Light drizzle	76 / 94 °F	84% · 0.06 in	6 mph E	0.9 ft	ECMWF
Thu 5	Drizzle	76 / 94 °F	80% · 0.20 in	5 mph E	0.8 ft	ECMWF
Fri 6	Drizzle	75 / 93 °F	71% · 0.16 in	5 mph E	0.5 ft	ECMWF
Sat 7	Light drizzle	77 / 94 °F	86% · 0.12 in	6 mph ESE	1.0 ft	ECMWF
Sun 8	Drizzle	76 / 88 °F	78% · 0.19 in	7 mph ENE	1.0 ft	ECMWF
Mon 9	Drizzle	77 / 92 °F	86% · 0.17 in	5 mph NE	0.8 ft	ECMWF
Tue 10	Drizzle	75 / 93 °F	94% · 0.21 in	4 mph E	0.7 ft	ECMWF
Wed 11	Drizzle	76 / 94 °F	86% · 0.21 in	5 mph ESE	1.2 ft	ECMWF

Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore.

Today, every 3 hours

Time	12:00 am	3:00 am	6:00 am	9:00 am	12:00 pm	3:00 pm	6:00 pm	9:00 pm
Sky	Overcast	Partly cloudy	Overcast	Mainly clear	Clear sky	Light showers	Light drizzle	Mainly clear
Temperature	81°	79°	80°	89°	96°	88°	82°	81°
Chance of rain	12%	19%	9%	1%	9%	77%	88%	31%
Rain	0.00 in	0.00 in	0.00 in	0.00 in	0.00 in	0.05 in	0.00 in	0.00 in
Wind (mph)	2 SSE	1 N	2 ENE	5 ESE	4 ENE	2 NNW	2 S	1 SE
Humidity	82%	88%	81%	59%	47%	71%	89%	93%
UV	0	0	0	6	8	2	0	0
Model	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF	ECMWF

Do the models agree?

Medium confidence

They broadly agree, but not quite on rain today: take it with some caution.

What 4 forecast models say for the next few days. The closer they are, the more reliable the forecast.

HighRainWind

Do the models agree? · High
High (°F)	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	96°	91°	95°	93°	94°	95°	94°
AIFS	91°	89°	91°	91°	91°	93°	92°
GFS	93°	90°	92°	92°	94°	96°	95°
ICON	92°	90°	94°	94°	94°	94°	94°
Confidence	high	high	high	high	high	high	high

Do the models agree? · Rain
Rain	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	0.17 in	0.32 in	0.12 in	0.21 in	0.17 in	0.14 in	0.06 in
AIFS	0.33 in	0.58 in	0.26 in	0.19 in	0.25 in	0.05 in	0.07 in
GFS	0.22 in	0.64 in	0.19 in	0.20 in	0.15 in	0.13 in	0.17 in
ICON	0.12 in	0.18 in	0.03 in	0.05 in	0.38 in	0.08 in	0
Confidence	medium	medium	medium	high	medium	high	medium

Do the models agree? · Wind
Wind (mph)	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF	618	1126	922	818	722	923	620
AIFS	4	3	6	4	6	6	6
GFS	1314	1010	1514	1114	1615	1215	1214
ICON	917	917	1221	818	718	919	921
Confidence	medium	medium	medium	medium	medium	high	high

Chance of rain from the ensemble models

Model	Today	Fri 30	Sat 31	Sun 1	Mon 2	Tue 3	Wed 4
ECMWF (51 scenarios)	98%	100%	100%	74%	98%	79%	84%
GFS (GEFS, 31 scenarios)	94%	100%	100%	52%	74%	65%	79%

Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.

Outlook

How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.

Next few weeks, compared with normal: a bit warmer, a bit drier and a near-normal sea.

Next 6 weeks

When	TemperatureTemp.	Rain	Sea	Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8	A bit above +0.9 °F	A bit below −44%	Normal −0.2 °F	—
Nov 9 – Nov 15Nov 9–Nov 15	A bit above +1.1 °F	A bit below −39%	Normal +0.4 °F	—
Nov 16 – Nov 22Nov 16–Nov 22	A bit above +1.4 °F	A bit below −27%	A bit above +0.5 °F	85° / 78°
Nov 23 – Nov 29Nov 23–Nov 29	A bit above +1.4 °F	A bit below −25%	A bit above +0.7 °F	85° / 78°
Nov 30 – Dec 6Nov 30–Dec 6	A bit above +1.6 °F	A bit below −33%	A bit above +0.9 °F	85° / 79°

Coming months

When	TemperatureTemp.	Rain	Sea
November	A bit above +2.5 °F	A bit below −40%	A bit above +1.3 °F
December	A bit above +2.2 °F	Normal	Above +2.0 °F
January	A bit above +2.5 °F	Normal	Above +3.4 °F
February	Above +2.7 °F	Normal	Well above +4.1 °F
March	Above +2.7 °F	Normal	Above +3.2 °F

Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give.

Semarang climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Semarang is from July to September: highs of 90 °F to 91 °F, about 5 rainy days a month and 8 hours of sunshine a day.

88° 73°

JanJ
88° 73°

FebF
89° 74°

MarM
90° 75°

AprA
91° 74°

MayM
90° 73°

JunJ
90° 72°

JulJ
91° 72°

AugA
91° 73°

SepS
91° 74°

OctO
90° 74°

NovN
89° 74°

DecD

Highs and lows
Monthly rainfall
Best time

Month	High	Low	Rain	Rainy daysDays	Sun (h/day)	Water	Waves
JanuaryJan	88°	73°	15.76 in	25	4.6	84°	1.9 ft
FebruaryFeb	88°	73°	12.62 in	24	4.2	83°	1.5 ft
MarchMar	89°	74°	10.73 in	21	4.9	84°	1.0 ft
AprilApr	90°	75°	8.79 in	18	5.9	85°	0.5 ft
MayMay	91°	74°	5.47 in	13	6.7	86°	0.5 ft
JuneJun	90°	73°	2.99 in	8	7.0	85°	0.6 ft
JulyJul	90°	72°	2.17 in	5	7.7	84°	0.7 ft
AugustAug	91°	72°	1.27 in	4	7.8	83°	0.8 ft
SeptemberSep	91°	73°	2.13 in	6	7.7	84°	0.7 ft
OctoberOct	91°	74°	5.23 in	13	6.7	85°	0.6 ft
NovemberNov	90°	74°	8.46 in	20	6.0	86°	0.5 ft
DecemberDec	89°	74°	12.20 in	23	4.7	85°	1.2 ft

Month	Water	Waves
Jan	84°	1.9 ft
Feb	83°	1.5 ft
Mar	84°	1.0 ft
Apr	85°	0.5 ft
May	86°	0.5 ft
Jun	85°	0.6 ft
Jul	84°	0.7 ft
Aug	83°	0.8 ft
Sep	84°	0.7 ft
Oct	85°	0.6 ft
Nov	86°	0.5 ft
Dec	85°	1.2 ft

Days: rainy days in the month. Sun: hours a day.

A normal year brings 87.83 in of rain on about 178 days and about 2,250 hours of sunshine.

1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses

Temperature

Now96 °Ffeels like 108 °F

Tomorrow78 / 91 °F

It's 96 °F now (feels like 108 °F). Today, 79 °F to 96 °F; tomorrow, 78 °F to 91 °F.

Chance of rain

Today 98% 0.17 in
Fri 30 100% 0.32 in
Sat 31 100% 0.12 in
Sun 1 74% 0.21 in
Mon 2 98% 0.17 in
Tue 3 79% 0.14 in
Wed 4 84% 0.06 in

Today the chance of rain reaches 98%, with 0.17 in in total. The next day with likely rain is Friday 30: 100% and 0.32 in.

Recent rain: last 24 hours, 0.17 in; last 3 days, 0.33 in; last 7 days, 0.66 in.

Humidity and dew point

Humidity48%

Dew point73 °F

Humidity is 48% now and the dew point is 73 °F. With a dew point this high, it feels muggy.

The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.

Visibility and fog

Now15 migood

Clouds9%

Visibility is good now (15 mi). No fog expected today.

The model gives visibility up to about 15 mi: beyond that, the horizon is clear.

UV index

Now7

Today's peak9very high

Fri 30: 8 · Sat 31: 11 · Sun 1: 11

Index	Level	What to do
0–2	low	No special protection needed.
3–5	moderate	Hat, sunglasses and sunscreen around midday.
6–7	high	Sunscreen, hat and shade between 12 and 4 pm.
8–10	very high	Avoid the midday sun; reflection off the water adds to it.
11+	extreme	Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy.

Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.

Barometric pressure

↗ Rising Anglers say fish bite less for a while
→ Steady Anglers expect normal activity
↘ Falling · now Anglers say fish feed more before the change

29.8029.9030.00 29.98

Falling now (−0.08 inHg in 3 hours). Over the next 48 hours: +0.04 inHg. Falling pressure: anglers say fish feed more before the change. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityExtremely poor · 156

Saharan dustNo

Previous days

The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.

Day	Sky	Low / high	Rain	Max wind
Wed 28	Drizzle	78 / 96 °F	0.18 in	9 mph E
Tue 27	Light drizzle	78 / 91 °F	0.02 in	8 mph SE
Mon 26	Drizzle	78 / 95 °F	0.13 in	9 mph SE
Sun 25	Light drizzle	78 / 93 °F	0.06 in	7 mph SE
Sat 24	Heavy drizzle	78 / 95 °F	0.22 in	9 mph SE
Fri 23	Light drizzle	80 / 96 °F	0.04 in	12 mph SE
Thu 22	Light drizzle	76 / 98 °F	0.01 in	10 mph E

Show all 30 days

Day	Sky	Low / high	Rain	Max wind
Wed 21	Light drizzle	79 / 101 °F	0.07 in	10 mph ESE
Tue 20	Light drizzle	79 / 100 °F	0.04 in	9 mph ESE
Mon 19	Overcast	79 / 100 °F	0	10 mph ESE
Sun 18	Overcast	78 / 97 °F	0	10 mph SE
Sat 17	Overcast	76 / 99 °F	0	11 mph E
Fri 16	Overcast	74 / 98 °F	0	10 mph E
Thu 15	Overcast	77 / 98 °F	0	11 mph ESE
Wed 14	Overcast	76 / 100 °F	0	10 mph ESE
Tue 13	Overcast	76 / 98 °F	0	10 mph E
Mon 12	Drizzle	79 / 95 °F	0.12 in	9 mph ESE
Sun 11	Light drizzle	78 / 98 °F	0.04 in	11 mph SE
Sat 10	Light drizzle	76 / 96 °F	0.01 in	9 mph SE
Fri 9	Drizzle	77 / 93 °F	0.12 in	8 mph NE
Thu 8	Showers	78 / 96 °F	0.44 in	8 mph ESE
Wed 7	Light drizzle	78 / 97 °F	0.04 in	10 mph NE
Tue 6	Overcast	79 / 99 °F	0	10 mph E
Mon 5	Light drizzle	76 / 97 °F	0.01 in	11 mph E
Sun 4	Showers	75 / 98 °F	0.33 in	13 mph N
Sat 3	Light drizzle	78 / 98 °F	0.04 in	9 mph ESE
Fri 2	Light drizzle	79 / 98 °F	0.01 in	11 mph E
Thu 1	Light drizzle	78 / 97 °F	0.02 in	10 mph E
Wed 30	Clear sky	78 / 98 °F	0	11 mph ESE
Tue 29	Light drizzle	80 / 98 °F	0.05 in	8 mph SE

These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.

Questions about the weather in SemarangQuestions

What's the weather like today in Semarang?

Light showers, from 79 °F to 96 °F, with a light breeze from the northeast (4 mph) and a 98% chance of rain.

Will it rain tomorrow in Semarang?

On Friday 30 the chance of rain is 100% (0.32 in): light showers.

How warm will it be this week?

Between a low of 75 °F and a high of 96 °F; the warmest day, Thursday 29.

What's the UV index today?

It reaches 9 (very high). Avoid the midday sun; reflection off the water adds to it.

Is the pressure rising or falling?

It's 29.84 inHg and falling: +0.02 inHg over the last 24 hours.

When is the best time to visit Semarang?

The best time to visit Semarang is from July to September: highs of 90 °F to 91 °F, about 5 rainy days a month and 8 hours of sunshine a day.

What is the weather like in Semarang in October?

In October, Semarang normally sees highs of 91 °F and lows of 74 °F, with about 13 rainy days (5.23 in for the month) and 7 hours of sunshine a day. The sea is around 85 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Semarang?

The warmest is September, with average highs of 91 °F, and the coldest August, with lows of 72 °F. The wettest is January (15.76 in) and the driest, August.

More about Semarang today

Weather near Semarang

Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.

Learn more

Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 5.5 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).

Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 12:28 pm (local time).

Spotted a mistake? Tell us · Where the weather and sea data come from