Porto Velho will have a week marked by rain, between May 4th and 10th, 2026. Temperatures vary between minimums of 20°C and maximums of 36°C throughout the period. Sunday, the 10th, is the only day without precipitation forecast, with cloudy skies.
Ultraviolet indices will remain high for most of the week, requiring attention to sun exposure.
Temperature for the next few days in Porto Velho
- Monday, May 4th: minimum of 24°C and maximum of 36°C.
- Tuesday, May 5th: minimum of 22°C and maximum of 27°C.
- Wednesday, May 6: minimum of 22°C and maximum of 33°C.
- Thursday, May 7th: minimum of 22°C and maximum of 31°C.
- Friday, May 8: minimum of 22°C and maximum of 33°C.
- Saturday, May 9: minimum of 22°C and maximum of 27°C.
- Sunday, May 10th: minimum of 21°C and maximum of 30°C.
Weather forecast in Porto Velho
Monday, May 4th:
On Monday, the day will be partly cloudy with . Temperatures range from a maximum of 36°C to a minimum of 24°C. The thermal sensation throughout the day varies between 25°C in the morning, 35°C during the day, 26°C in the afternoon and 25°C at night.
The probability of rain is 99%, with an estimated volume of 0.94 mm. Air humidity will be at 49%, with light winds at 1.53 m/s. The ultraviolet index will be very high, reaching 11.78.
Tuesday, May 5th:
On Tuesday, the sky will be partly cloudy with . Temperatures vary between a maximum of 27°C and a minimum of 22°C. The thermal sensation varies between 23°C in the morning, 26°C during the day, 25°C in the afternoon and 23°C at night.
The probability of rain is 100%, with an estimated volume of 5.84 mm. Air humidity will be high, at 89%, and winds will blow at 2.05 m/s. The ultraviolet index will be high, with a value of 7.43.
Wednesday, May 6:
On Wednesday, the weather will continue with partly cloudy skies and. Temperatures range from a maximum of 33°C to a minimum of 22°C. The thermal sensation varies between 23°C in the morning, 33°C during the day, 26°C in the afternoon and 23°C at night.
The probability of rain is 100%, with an estimated volume of 3.31 mm. Air humidity will be 64%, and winds will blow at 1.38 m/s. The ultraviolet index will be very high, with a value of 11.28.
Thursday, May 7th:
On Thursday, the day will have partly cloudy skies with light rain. Temperatures range from a maximum of 31°C to a minimum of 22°C. The thermal sensation varies between 23°C in the morning, 34°C during the day, 31°C in the afternoon and 24°C at night.
The probability of rain is 100%, with an estimated volume of 4.16 mm. Air humidity will be 61%, with winds at 1.98 m/s. The ultraviolet index will be very high, with a value of 11.15.
Friday, May 8:
On Friday, the sky will be partly cloudy with moderate rain. Temperatures vary between a maximum of 33°C and a minimum of 22°C. The thermal sensation varies between 23°C in the morning, 33°C during the day, 27°C in the afternoon and 24°C at night.
The probability of rain is 100%, with an estimated volume of 5.88 mm. Air humidity will be 72%, with winds at 1.52 m/s. The ultraviolet index will be low, with a value of 1.34.
Saturday, May 9:
On Saturday, the day will have partly cloudy skies with light rain. Temperatures range from a maximum of 27°C to a minimum of 22°C. The thermal sensation varies between 23°C in the morning, 27°C during the day, 27°C in the afternoon and 23°C at night.
The probability of rain is 100%, with the highest volume of the week, estimated at 6.69 mm. Air humidity will be 90%, with winds at 2.45 m/s. The ultraviolet index will be low, with a value of 2.0.
Sunday, May 10th:
On Sunday, the weather changes and there is no rain forecast. The sky will be covered by clouds. Temperatures vary between a maximum of 30°C and a minimum of 21°C. The thermal sensation varies between 21°C in the morning, 25°C during the day, 29°C in the afternoon and 24°C at night.
Air humidity will be 69%, with winds at 2.18 m/s. The ultraviolet index will be low, with a value of 2.0.
Will it rain in Porto Velho?
The week in Porto Velho will be predominantly rainy, with rain forecast from Monday to Saturday. The most significant volumes of precipitation are forecast for Saturday, the 9th, with 6.69 mm, followed by Friday, the 8th, with 5.88 mm, and Tuesday, the 5th, with 5.84 mm.
Tuesday and Saturday are also notable for their high air humidity, which should reach 89% and 90%, respectively.
The highest ultraviolet levels of the week are predicted for Monday, Wednesday and Thursday, when the value exceeds 11. Sunday will be the only day without rain, with cloudy skies and milder conditions.
