Hottest day
29ºC
Tuesday, 11/03
My city
No official warning is active for this municipality right now. That does not guarantee everything is fine: see the rest of the page.
22º14º
Today: high / low7.9 mm of rain forecast today
Official warnings
No official warning is active for this municipality right now. Warnings for the whole country are in the Storms and alerts section.
Week highlights
Data for Itaquaquecetuba (SP), 8 km away.
Air now in Itaquaquecetuba: IQAr 27 (good).
Hottest day
29ºC
Tuesday, 11/03
Coldest night
14ºC
Wednesday, 10/28
Rainiest day
15.6mm
Thursday, 10/29
52.9 mm in total this week
Strongest wind gust
33km/h
Friday, 10/30
Highest UV
9.7very high
Tuesday, 11/03
Each bar runs from the day's low to its high and the colour follows the temperature.
| Day | Rain | High | Low | UV | Gust | IQAr |
|---|---|---|---|---|---|---|
| Wed, 10/28 | 7.9 mm | 22 ºC | 14 ºC | 7.7 | 28 km/h | 36 |
| Thu, 10/29 | 15.6 mm | 21 ºC | 16 ºC | 7.1 | 20 km/h | 22 |
| Fri, 10/30 | 12 mm | 27 ºC | 17 ºC | 8.1 | 33 km/h | 162 |
| Sat, 10/31 | 9.3 mm | 23 ºC | 17 ºC | 3.6 | 30 km/h | 146 |
| Sun, 11/01 | 3.3 mm | 26 ºC | 16 ºC | 7.8 | 31 km/h | 130 |
| Mon, 11/02 | 3.6 mm | 27 ºC | 18 ºC | 3.5 | 27 km/h | – |
| Tue, 11/03 | 1.2 mm | 29 ºC | 18 ºC | 9.7 | 30 km/h | – |
Source: Open-Meteo.com (forecast and CAMS model air quality).
Hour-by-hour rain
The next 24 hours, Brasília time. Each column is a full hour and its height is the rain forecast for it.
Recent rain
The last 30 days, up to October 27. Each column is a day and its height is that day's rain; in orange, days with 50 mm or more.
Rain in October, up to 10/27
212.9mm
The normal rain for this month is not available for this city yet.
Rivers nearby
Paraíba do Sul · 102 km away
Level now: 1.89 m · High
Paraíba do Sul · 133 km away
Level now: 2.38 m · Alert
Sapucaí · 141 km away
Level now: 2.09 m · Alert
Source: ANA (telemetry); SGB reference levels where they exist. The level is compared with the station's own at this time of year.
Fire, rain and drought
No likely hotspot within 50 km in the last 24 h.
CEMADEN rain gauges within 30 km: the highest 24 h total was 6.2 mm (35 stations with data).
On the official September 2026 map, Arujá is in weak drought (s0).
Sources: INPE and NASA FIRMS (fire), CEMADEN (rain), ANA Drought Monitor.
In an emergency, follow Civil Defense: 199. Fire Department: 193. SAMU: 192.
Dashed: the month's average (1991–2020)Rain (mm)
Wed 14:00 to 20:00
7.7 mm over the period, at most 3.4 mm in one hour · 71% chance
Thu 07:00 to 22:00
15.4 mm over the period, at most 1.6 mm in one hour · 100% chance
Fri 10:00 to 20:00
11.9 mm over the period, at most 6 mm in one hour · 100% chance
Source: Open-Meteo.com. Model forecast, updated every 3 hours: the timing may change.
Most rain in one day
40.2mm
40.2 mm on October 25, in the last 90 days
Days in a row without rain
1day
Source: Open-Meteo.com, ERA5 reanalysis (a model, not a rain gauge); the latest day may be corrected later. A day without rain: under 1 mm.