Tempestade
Aviso de Tempestade: Perigo Potencial
until 10/28/26, 11:59 PM
My city
3 active official warnings in this municipality.
34º24º
Today: high / lowno rain forecast today
Official warnings
Aviso de Tempestade: Perigo Potencial
until 10/28/26, 11:59 PM
Aviso de Tempestade: Perigo Potencial
until 10/28/26, 11:59 PM
Aviso de Tempestade: Perigo Potencial
until 10/28/26, 11:59 PM
Week highlights
Air now in Porto Velho: IQAr 30 (good).
Hottest day
34ºC
Thursday, 10/29
Coldest night
24ºC
Wednesday, 10/28
Rainiest day
5.9mm
Saturday, 10/31
21.2 mm in total this week
Strongest wind gust
37km/h
Monday, 11/02
Highest UV
9.2very high
Thursday, 10/29
Each bar runs from the day's low to its high and the colour follows the temperature.
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
104.8mm
The normal rain for this month is not available for this city yet.
Rivers nearby
Madeira · 62 km away
Level now: 3.92 m · Normal
Madeira · 89 km away
Level now: 6.47 m · No reference
Madeira · 117 km away
Level now: 5.28 m · Normal
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.
No CEMADEN rain gauge with data within 30 km.
On the official September 2026 map, Porto Velho 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)
| Day | Rain | High | Low | UV | Gust | IQAr |
|---|---|---|---|---|---|---|
| Wed, 10/28 | 0.6 mm | 34 ºC | 24 ºC | 7.6 | 20 km/h | 31 |
| Thu, 10/29 | 0 mm | 34 ºC | 24 ºC | 9.2 | 18 km/h | 29 |
| Fri, 10/30 | 4.2 mm | 33 ºC | 25 ºC | 8.5 | 21 km/h | 24 |
| Sat, 10/31 | 5.9 mm | 32 ºC | 25 ºC | 8.4 | 24 km/h | 23 |
| Sun, 11/01 | 5.1 mm | 32 ºC | 25 ºC | 8 | 24 km/h | 25 |
| Mon, 11/02 | 3 mm | 33 ºC | 25 ºC | 2.2 | 37 km/h | – |
| Tue, 11/03 | 2.4 mm | 32 ºC | 25 ºC | 9 | 22 km/h | – |
Source: Open-Meteo.com (forecast and CAMS model air quality).
Wed 17:00 to 18:00
0.4 mm over the period, at most 0.4 mm in one hour · 51% chance
Fri 12:00 to 17:00
4.1 mm over the period, at most 3.2 mm in one hour · 72% chance
Source: Open-Meteo.com. Model forecast, updated every 3 hours: the timing may change.
Most rain in one day
31.6mm
31.6 mm on August 12, in the last 90 days
Days in a row without rain
It rained on the latest day with data.
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.