Rio de Janeiro, Brazil Hourly Forecast
Rio de Janeiro temperature trend - Next 24 hours
The next 24 hours at a glance
- Warmest hour: 3 PM - around 73°
- Coolest hour: 8 AM - around 68°
- Highest rain chance: 7 AM (87%) - pack accordingly
- UV peak: 12 PM at index 8 - sun protection recommended
- Windiest: 11 PM at 11 mph
Rio de Janeiro hourly weather - Wednesday, August 26
In Rio de Janeiro, expect a high near 73°F (23°C) around 3 PM and a low of 70°F (21°C) near 11 PM; precipitation risk peaks at 44% around 9 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 3 PM | Patchy rain nearby | 73° | 75° | 25% | 7 mph SE | 81% | 2 | |
| 4 PM | Patchy rain nearby | 72° | 75° | 26% | 7 mph ESE | 82% | 1 | |
| 5 PM | Patchy rain nearby | 71° | 73° | 29% | 7 mph ESE | 85% | 0 | |
| 6 PM | Patchy rain nearby | 71° | 73° | 31% | 8 mph E | 88% | 0 | |
| 7 PM | Patchy rain nearby | 70° | 73° | 30% | 7 mph E | 90% | 0 | |
| 8 PM | Patchy rain nearby | 70° | 72° | 33% | 7 mph E | 91% | 0 | |
| 9 PM | Light rain shower | 70° | 73° | 44% | 6 mph E | 90% | 0 | |
| 10 PM | Patchy rain nearby | 70° | 72° | 32% | 8 mph E | 92% | 0 | |
| 11 PM | Patchy rain nearby | 70° | 70° | 33% | 11 mph ENE | 92% | 0 |
Rio de Janeiro hourly weather - Thursday, August 27
In Rio de Janeiro, expect a high near 72°F (22°C) around 3 PM and a low of 68°F (20°C) near 8 AM; precipitation risk peaks at 87% around 7 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Patchy rain nearby | 69° | 71° | 32% | 8 mph ENE | 92% | 0 | |
| 1 AM | Patchy rain nearby | 69° | 71° | 40% | 7 mph ENE | 93% | 0 | |
| 2 AM | Patchy rain nearby | 69° | 70° | 33% | 8 mph ENE | 93% | 0 | |
| 3 AM | Patchy rain nearby | 69° | 71° | 39% | 8 mph ENE | 92% | 0 | |
| 4 AM | Light rain | 69° | 73° | 79% | 4 mph NE | 92% | 0 | |
| 5 AM | Light rain shower | 68° | 72° | 79% | 4 mph NE | 94% | 0 | |
| 6 AM | Light rain shower | 68° | 71° | 78% | 6 mph ENE | 93% | 0 | |
| 7 AM | Moderate or heavy rain shower | 68° | 73° | 87% | 2 mph E | 95% | 0 | |
| 8 AM | Light rain shower | 68° | 72° | 83% | 2 mph SSW | 95% | 1 | |
| 9 AM | Light rain shower | 68° | 72° | 67% | 3 mph ENE | 94% | 2 | |
| 10 AM | Light rain shower | 68° | 70° | 50% | 7 mph NE | 92% | 5 | |
| 11 AM | Patchy rain nearby | 68° | 69° | 42% | 8 mph NNE | 93% | 7 | |
| 12 PM | Patchy rain nearby | 68° | 70° | 41% | 7 mph N | 92% | 8 | |
| 1 PM | Patchy rain nearby | 69° | 71° | 31% | 6 mph NE | 88% | 6 | |
| 2 PM | Sunny | 72° | 72° | 9% | 8 mph ENE | 80% | 5 | |
| 3 PM | Patchy rain nearby | 72° | 73° | 20% | 8 mph E | 76% | 3 | |
| 4 PM | Sunny | 72° | 72° | 8% | 9 mph E | 78% | 1 | |
| 5 PM | Sunny | 71° | 70° | 10% | 10 mph E | 82% | 0 | |
| 6 PM | Clear | 70° | 69° | 12% | 11 mph E | 89% | 0 | |
| 7 PM | Clear | 70° | 69° | 13% | 11 mph ENE | 90% | 0 | |
| 8 PM | Clear | 69° | 69° | 13% | 10 mph ENE | 90% | 0 | |
| 9 PM | Clear | 68° | 68° | 14% | 10 mph ENE | 91% | 0 | |
| 10 PM | Clear | 68° | 68° | 14% | 10 mph ENE | 92% | 0 | |
| 11 PM | Clear | 68° | 69° | 14% | 8 mph NE | 92% | 0 |
Rio de Janeiro hourly weather - Friday, August 28
In Rio de Janeiro, expect a high near 79°F (26°C) around 1 PM and a low of 66°F (19°C) near 5 AM; precipitation risk peaks at 25% around 6 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Clear | 67° | 69° | 14% | 7 mph NE | 92% | 0 | |
| 1 AM | Clear | 67° | 69° | 14% | 6 mph NNE | 92% | 0 | |
| 2 AM | Clear | 67° | 68° | 14% | 6 mph NNE | 91% | 0 | |
| 3 AM | Clear | 67° | 68° | 13% | 6 mph NNE | 90% | 0 | |
| 4 AM | Clear | 66° | 68° | 13% | 6 mph NNE | 89% | 0 | |
| 5 AM | Clear | 66° | 67° | 12% | 6 mph NNE | 89% | 0 | |
| 6 AM | Clear | 66° | 67° | 12% | 7 mph NNE | 88% | 0 | |
| 7 AM | Sunny | 67° | 68° | 11% | 7 mph NNE | 86% | 0 | |
| 8 AM | Sunny | 70° | 70° | 8% | 8 mph NNE | 78% | 2 | |
| 9 AM | Sunny | 72° | 73° | 6% | 8 mph NE | 72% | 4 | |
| 10 AM | Sunny | 75° | 76° | 5% | 7 mph NE | 66% | 7 | |
| 11 AM | Sunny | 78° | 79° | 4% | 7 mph NE | 62% | 8 | |
| 12 PM | Cloudy | 79° | 81° | 10% | 7 mph ENE | 60% | 7 | |
| 1 PM | Partly Cloudy | 79° | 81° | 6% | 8 mph E | 61% | 8 | |
| 2 PM | Overcast | 79° | 81° | 15% | 8 mph E | 65% | 7 | |
| 3 PM | Sunny | 78° | 80° | 5% | 9 mph ESE | 68% | 8 | |
| 4 PM | Sunny | 78° | 78° | 6% | 10 mph E | 72% | 8 | |
| 5 PM | Partly Cloudy | 76° | 79° | 13% | 9 mph E | 79% | 7 | |
| 6 PM | Overcast | 75° | 78° | 25% | 8 mph ENE | 82% | 0 | |
| 7 PM | Overcast | 76° | 78° | 24% | 8 mph ENE | 80% | 0 | |
| 8 PM | Overcast | 75° | 78° | 23% | 8 mph ENE | 80% | 0 | |
| 9 PM | Partly Cloudy | 75° | 78° | 13% | 7 mph NE | 80% | 0 | |
| 10 PM | Overcast | 75° | 77° | 23% | 7 mph NE | 80% | 0 | |
| 11 PM | Overcast | 74° | 76° | 24% | 8 mph NE | 80% | 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 68°F (20°C) around 8 AM up to 73°F (23°C) near 3 PM - about 5°F (3°C) below the typical August high of 78°F (25°C).
Precipitation is a real possibility: the chance of rain peaks at 87% around 7 AM. UV reaches 8 (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.