🇧🇷 Weather in Arujá
Map Overlays:
Hourly Forecast for Arujá
01:00
21°
13%
02:00
21°
14%
03:00
21°
14%
04:00
20°
15%
05:00
20°
20%
06:00
18°
42%
07:00
14°
28%
08:00
15°
24%
09:00
17°
14%
10:00
20°
5%
11:00
22°
3%
12:00
24°
2%
13:00
25°
3%
14:00
24°
4%
15:00
22°
6%
16:00
19°
10%
17:00
17°
16%
18:00
15°
28%
19:00
14°
31%
20:00
14°
32%
21:00
14°
35%
22:00
14°
34%
23:00
14°
38%
00:00
14°
53%
14-Day Forecast for Arujá
2026-09-27
Sunny
25° /
14°
2026-09-28
Partly Cloudy
29° /
14°
2026-09-29
Sunny
34° /
15°
2026-09-30
Sunny
33° /
14°
2026-10-01
Light rain shower
24° /
11°
2026-10-02
Light rain shower
13° /
10°
2026-10-03
Fog
18° /
10°
Additional Forecasts for Arujá
Air Quality
💨 US EPA Index 3 (Unhealthy for Sensitive)
CO (Carbon Monoxide) 331.0 μg/m³
O₃ (Ozone) 46.0 μg/m³
NO₂ (Nitrogen Dioxide) 51.5 μg/m³
SO₂ (Sulphur Dioxide) 16.3 μg/m³
PM2.5 (Fine particles) 61.9 μg/m³
PM10 (Coarse particles) 62.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Brazil
Weather in Arujá — FAQ
Answers refreshed each request based on current conditions in Arujá.
What is the weather like right now in Arujá?
Right now in Arujá, Brazil the temperature is 21.4°C (feels like 24.3°C), with smoky haze. Relative humidity is 90% and wind is 3.6 km/h.
What is today's high and low temperature in Arujá?
Today's forecast high in Arujá is 24.6°C and the overnight low is 14.1°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Arujá today?
The chance of precipitation in Arujá today is 26%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Arujá differ from nearby cities?
Even short distances can change temperatures noticeably. Arujá's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.