Rio de Janeiro, Brazil Hourly Forecast
Rio de Janeiro temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 1 PM - around 80°
- Coolest hour: 6 AM - around 72°
- Highest rain chance: 11 PM (23%) - pack accordingly
- UV peak: 12 PM at index 7 - sun protection recommended
- Windiest: 4 PM at 11 mph
Rio de Janeiro hourly weather - Friday, August 7
In Rio de Janeiro, expect a high near 76°F (24°C) around 9 PM and a low of 74°F (23°C) near 11 PM; precipitation risk peaks at 23% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 6 PM | Clear | 75° | 78° | 7% | 4 mph E | 71% | 0 | |
| 7 PM | Clear | 75° | 78° | 6% | 4 mph NE | 69% | 0 | |
| 8 PM | Patchy rain nearby | 75° | 79° | 17% | 2 mph NE | 68% | 0 | |
| 9 PM | Partly Cloudy | 76° | 78° | 9% | 4 mph WSW | 67% | 0 | |
| 10 PM | Partly Cloudy | 75° | 76° | 10% | 7 mph SW | 72% | 0 | |
| 11 PM | Patchy rain nearby | 74° | 76° | 23% | 6 mph SSW | 77% | 0 |
Rio de Janeiro hourly weather - Saturday, August 8
In Rio de Janeiro, expect a high near 80°F (27°C) around 1 PM and a low of 72°F (22°C) near 6 AM; precipitation risk peaks at 20% around 4 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Partly Cloudy | 73° | 77° | 13% | 4 mph SSE | 79% | 0 | |
| 1 AM | Partly Cloudy | 73° | 76° | 11% | 5 mph NE | 78% | 0 | |
| 2 AM | Clear | 73° | 76° | 10% | 3 mph ENE | 79% | 0 | |
| 3 AM | Clear | 72° | 76° | 10% | 3 mph NE | 79% | 0 | |
| 4 AM | Patchy rain nearby | 72° | 76° | 20% | 3 mph NE | 78% | 0 | |
| 5 AM | Smoky haze | 72° | 76° | 10% | 2 mph E | 79% | 0 | |
| 6 AM | Smoky haze | 72° | 75° | 12% | 3 mph SW | 80% | 0 | |
| 7 AM | Smoky haze | 72° | 76° | 10% | 2 mph ENE | 79% | 0 | |
| 8 AM | Smoky haze | 73° | 75° | 9% | 5 mph ESE | 77% | 1 | |
| 9 AM | Smoky haze | 74° | 76° | 7% | 6 mph SE | 73% | 3 | |
| 10 AM | Sunny | 76° | 78° | 6% | 6 mph SE | 69% | 5 | |
| 11 AM | Sunny | 78° | 80° | 5% | 7 mph SE | 66% | 7 | |
| 12 PM | Sunny | 79° | 81° | 4% | 7 mph SE | 63% | 7 | |
| 1 PM | Sunny | 80° | 82° | 4% | 8 mph SE | 61% | 6 | |
| 2 PM | Sunny | 80° | 82° | 4% | 10 mph SE | 62% | 5 | |
| 3 PM | Sunny | 79° | 80° | 5% | 11 mph ESE | 66% | 2 | |
| 4 PM | Sunny | 78° | 78° | 6% | 11 mph ESE | 70% | 1 | |
| 5 PM | Sunny | 76° | 76° | 7% | 10 mph E | 73% | 0 | |
| 6 PM | Clear | 74° | 75° | 9% | 9 mph E | 78% | 0 | |
| 7 PM | Clear | 74° | 76° | 9% | 8 mph ENE | 78% | 0 | |
| 8 PM | Smoky haze | 74° | 76° | 8% | 6 mph ENE | 77% | 0 | |
| 9 PM | Smoky haze | 74° | 76° | 7% | 5 mph ENE | 74% | 0 | |
| 10 PM | Smoky haze | 73° | 77° | 7% | 2 mph N | 72% | 0 | |
| 11 PM | Smoky haze | 74° | 77° | 6% | 3 mph W | 70% | 0 |
Rio de Janeiro hourly weather - Sunday, August 9
In Rio de Janeiro, expect a high near 86°F (30°C) around 10 AM and a low of 72°F (22°C) near 11 PM; precipitation risk peaks at 41% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 74° | 78° | 6% | 1 mph W | 69% | 0 | |
| 1 AM | Smoky haze | 74° | 77° | 6% | 2 mph N | 69% | 0 | |
| 2 AM | Smoky haze | 74° | 76° | 5% | 4 mph N | 65% | 0 | |
| 3 AM | Clear | 74° | 74° | 4% | 5 mph N | 64% | 0 | |
| 4 AM | Clear | 74° | 74° | 4% | 6 mph N | 63% | 0 | |
| 5 AM | Clear | 74° | 73° | 4% | 6 mph N | 61% | 0 | |
| 6 AM | Clear | 74° | 73° | 3% | 7 mph N | 60% | 0 | |
| 7 AM | Sunny | 75° | 73° | 3% | 8 mph N | 56% | 0 | |
| 8 AM | Sunny | 79° | 79° | 2% | 8 mph N | 50% | 1 | |
| 9 AM | Sunny | 85° | 85° | 1% | 9 mph NNW | 42% | 3 | |
| 10 AM | Sunny | 86° | 87° | 1% | 10 mph WSW | 45% | 5 | |
| 11 AM | Sunny | 86° | 87° | 1% | 10 mph SW | 46% | 7 | |
| 12 PM | Sunny | 86° | 87° | 2% | 15 mph WSW | 48% | 8 | |
| 1 PM | Sunny | 84° | 86° | 2% | 16 mph SW | 54% | 6 | |
| 2 PM | Sunny | 81° | 84° | 4% | 17 mph SW | 64% | 4 | |
| 3 PM | Sunny | 79° | 80° | 6% | 15 mph WSW | 72% | 2 | |
| 4 PM | Patchy rain nearby | 78° | 76° | 17% | 16 mph WSW | 76% | 1 | |
| 5 PM | Patchy rain nearby | 75° | 75° | 24% | 14 mph WSW | 83% | 0 | |
| 6 PM | Patchy rain nearby | 74° | 76° | 21% | 10 mph WSW | 86% | 0 | |
| 7 PM | Patchy rain nearby | 74° | 77° | 25% | 8 mph WSW | 86% | 0 | |
| 8 PM | Patchy rain nearby | 74° | 76° | 34% | 8 mph SW | 88% | 0 | |
| 9 PM | Patchy rain nearby | 73° | 76° | 39% | 8 mph SSW | 89% | 0 | |
| 10 PM | Patchy rain nearby | 73° | 76° | 40% | 8 mph SSW | 91% | 0 | |
| 11 PM | Light rain shower | 72° | 76° | 41% | 7 mph SSW | 91% | 0 |
Quick answers for the hours ahead
What is the warmest hour in Rio de Janeiro today?
Will it rain in Rio de Janeiro tonight?
When is the UV index highest in Rio de Janeiro today?
Rio de Janeiro hour-by-hour: what to expect
Over the next 24 hours in Rio de Janeiro, temperatures range from 72°F (22°C) around 6 AM up to 80°F (27°C) near 1 PM - right in line with the typical August high of 78°F (25°C).
A stray shower can't be ruled out - Rain chances top out at 23% around 11 PM. UV reaches 7 (12 PM) - sun protection recommended through midday.
The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the Rio de Janeiro 14-day forecast or the monthly climate averages.