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Guarulhos weather

Sao Paulo · 1,345,364 inhabitants · Thursday, October 29 · updated 14:00

Raining now Air: Fair High storm risk · Tomorrow, Sat, Wed

19°

Light rain

Feels like 19°C

Wind

2 km/h

Gusts

3 km/h

Humidity

89 %

Pressure

1019 hPa

Clouds

100 %

Storm

Rise 05:21 Set 18:17 Day 12 h 55 min UV 4 · Moderate

Morning, afternoon, evening

Trend

Afternoon

Rain

20°

Feels like 26°

Wind ↑ SSW 5 km/h

Gusts 12 km/h

Humidity 87 %

💧 7.8 mm

Evening

Rain

18°

Feels like 18°

Wind ↑ W 6 km/h

Gusts 16 km/h

Humidity 95 %

💧 10.9 mm

15:00

20°

6.6mm

SSW 4

18:00

18°

4.8mm

W 6

Guarulhos forecast in charts · next 7 days

The week ahead: highs and lows

≈ A week close to the usual temperatures

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

Hourly detail

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

Guarulhos climate: what a normal year looks like

The hottest stretch is February, when afternoons average 28 °C; the coldest is July, when nights average 12 °C.

A normal year brings roughly 1,440 mm of rain — more than 73% of the towns of 20,000+ people we compared it with.

From 10 h 41 min of daylight in late June to 13 h 35 min in late December.

Forecast highs for the coming week average 25 °C, 1 °C cooler than a normal October (26 °C).

30-year averages (1991–2020)
Month	Typical high	Typical low	Rainfall
Jan	27 °C	19 °C	239 mm
Feb	28 °C	19 °C	185 mm
Mar	27 °C	19 °C	159 mm
Apr	26 °C	17 °C	70 mm
May	23 °C	14 °C	68 mm
Jun	22 °C	13 °C	50 mm
Jul	22 °C	12 °C	56 mm
Aug	23 °C	13 °C	43 mm
Sep	24 °C	15 °C	94 mm
Oct	26 °C	17 °C	123 mm
Nov	26 °C	17 °C	159 mm
Dec	27 °C	18 °C	188 mm
Whole year	25 °C	16 °C	1,440 mm

Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 23.46° S, 46.53° W, 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 Guarulhos: pollution and pollen

2/6

Fair

European Air Quality Index (EAQI), from Copernicus CAMS

PM2.517µg/m³

PM1020µg/m³

Copernicus CAMS model, updated several times a day.

Rain radar around Guarulhos

Rain observed over the last two hours by official weather radars around Guarulhos, 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 Guarulhos yet: the map shows our hour-by-hour rain forecast (ICON, GFS).

Moon over Guarulhos

Waning gibbous

87 % illuminated · 18.3 days

Rise 16:08 Set 01:54

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 (America/Sao_Paulo); phase and lit fraction from a synodic calculation.

Look up a past day in Guarulhos

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

Guarulhos weather at a glance

This page gathers everything about the weather in Guarulhos, Sao Paulo: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “light rain”, it is 19 °C (feels like 19 °C) and the wind blows at 2 km/h.

Expected range today: 16 °C to 20 °C and around 15 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

São Paulo 14 km 19°

Itaquaquecetuba 19 km 19°

Santo André 22 km 18°

Mauá 24 km 18°

Suzano 24 km 19°

São Bernardo Do Campo 26 km 18°

Diadema 26 km 18°

Osasco 27 km 19°

Guarulhos weather data for developers

Use the Guarulhos 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.

Create a free key

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