🇧🇷 Weather in Guarulhos
Map Overlays:
Hourly Forecast for Guarulhos
21:00
15°
3%
22:00
14°
3%
23:00
14°
3%
00:00
13°
4%
01:00
13°
4%
02:00
12°
4%
03:00
12°
4%
04:00
12°
4%
05:00
11°
5%
06:00
11°
5%
07:00
11°
5%
08:00
13°
4%
09:00
17°
2%
10:00
20°
1%
11:00
23°
1%
12:00
24°
1%
13:00
25°
1%
14:00
26°
0%
15:00
25°
1%
16:00
25°
1%
17:00
22°
1%
18:00
19°
1%
19:00
18°
2%
20:00
18°
2%
14-Day Forecast for Guarulhos
2026-07-09
Smoky haze
23° /
10°
2026-07-10
Smoky haze
26° /
11°
2026-07-11
Smoky haze
28° /
13°
2026-07-12
Patchy rain nearby
20° /
15°
2026-07-13
Patchy rain nearby
16° /
12°
2026-07-14
Sunny
19° /
11°
2026-07-15
Sunny
24° /
9°
Additional Forecasts for Guarulhos
Air Quality
💨 US EPA Index 4 (Unhealthy)
CO (Carbon Monoxide) 1112.0 μg/m³
O₃ (Ozone) 12.0 μg/m³
NO₂ (Nitrogen Dioxide) 122.3 μg/m³
SO₂ (Sulphur Dioxide) 28.6 μg/m³
PM2.5 (Fine particles) 80.1 μg/m³
PM10 (Coarse particles) 80.6 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Brazil
Weather in Guarulhos — FAQ
Answers refreshed each request based on current conditions in Guarulhos.
What is the weather like right now in Guarulhos?
Right now in Guarulhos, Brazil the temperature is 16.3°C (feels like 16.3°C), with smoky haze. Relative humidity is 88% and wind is 5.0 km/h.
What is today's high and low temperature in Guarulhos?
Today's forecast high in Guarulhos is 23.1°C and the overnight low is 10.1°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Guarulhos today?
The chance of precipitation in Guarulhos today is 3%. 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 Guarulhos differ from nearby cities?
Even short distances can change temperatures noticeably. Guarulhos'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.