🇧🇷 Weather in Porto Velho
Map Overlays:
Hourly Forecast for Porto Velho
01:00
24°
7%
02:00
22°
8%
03:00
22°
8%
04:00
22°
8%
05:00
22°
8%
06:00
21°
9%
07:00
22°
9%
08:00
25°
5%
09:00
28°
3%
10:00
31°
2%
11:00
34°
1%
12:00
36°
2%
13:00
36°
1%
14:00
36°
1%
15:00
37°
3%
16:00
36°
3%
17:00
34°
3%
18:00
30°
3%
19:00
28°
5%
20:00
28°
5%
21:00
28°
5%
22:00
28°
5%
23:00
27°
5%
00:00
27°
6%
14-Day Forecast for Porto Velho
2026-07-09
Sunny
37° /
21°
2026-07-10
Sunny
38° /
23°
2026-07-11
Sunny
36° /
23°
2026-07-12
Partly Cloudy
35° /
22°
2026-07-13
Partly Cloudy
36° /
22°
2026-07-14
Partly Cloudy
35° /
22°
2026-07-15
Partly Cloudy
35° /
22°
Additional Forecasts for Porto Velho
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 129.0 μg/m³
O₃ (Ozone) 16.0 μg/m³
NO₂ (Nitrogen Dioxide) 18.4 μg/m³
SO₂ (Sulphur Dioxide) 1.2 μg/m³
PM2.5 (Fine particles) 12.0 μg/m³
PM10 (Coarse particles) 12.2 μg/m³
Historical Weather
Weather Forecasts for Other Cities in Brazil
Weather in Porto Velho — FAQ
Answers refreshed each request based on current conditions in Porto Velho.
What is the weather like right now in Porto Velho?
Right now in Porto Velho, Brazil the temperature is 24.4°C (feels like 26.0°C), with partly cloudy. Relative humidity is 89% and wind is 3.6 km/h.
What is today's high and low temperature in Porto Velho?
Today's forecast high in Porto Velho is 36.6°C and the overnight low is 21.4°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Porto Velho today?
The chance of precipitation in Porto Velho today is 4%. 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 Porto Velho differ from nearby cities?
Even short distances can change temperatures noticeably. Porto Velho'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.