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 68°
- Coolest hour: 6 AM - around 65°
- Highest rain chance: 4 AM (72%) - pack accordingly
- UV peak: 12 PM at index 3 - sun protection recommended
- Windiest: 4 AM at 10 mph
Rio de Janeiro hourly weather - Tuesday, September 15
In Rio de Janeiro, expect a high near 67°F (19°C) around 9 PM and a low of 67°F (19°C) near 10 PM; precipitation risk peaks at 60% around 10 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 9 PM | Light rain shower | 67° | 68° | 51% | 7 mph WSW | 90% | 0 | |
| 10 PM | Light rain shower | 67° | 69° | 60% | 4 mph WNW | 91% | 0 | |
| 11 PM | Light rain shower | 67° | 70° | 58% | 2 mph W | 91% | 0 |
Rio de Janeiro hourly weather - Wednesday, September 16
In Rio de Janeiro, expect a high near 68°F (20°C) around 1 PM and a low of 65°F (18°C) near 6 AM; precipitation risk peaks at 72% around 4 AM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Light rain shower | 67° | 70° | 52% | 3 mph WNW | 90% | 0 | |
| 1 AM | Patchy rain nearby | 67° | 68° | 42% | 6 mph WSW | 89% | 0 | |
| 2 AM | Light rain shower | 67° | 68° | 47% | 6 mph SW | 89% | 0 | |
| 3 AM | Light rain shower | 66° | 68° | 44% | 6 mph SW | 89% | 0 | |
| 4 AM | Light rain shower | 66° | 65° | 72% | 10 mph SW | 88% | 0 | |
| 5 AM | Light rain shower | 65° | 65° | 66% | 8 mph SW | 92% | 0 | |
| 6 AM | Light rain shower | 65° | 65° | 50% | 8 mph SW | 91% | 0 | |
| 7 AM | Light rain shower | 65° | 66° | 61% | 7 mph WSW | 90% | 0 | |
| 8 AM | Light rain shower | 66° | 66° | 56% | 6 mph WSW | 90% | 0 | |
| 9 AM | Patchy rain nearby | 66° | 67° | 31% | 6 mph W | 89% | 1 | |
| 10 AM | Patchy rain nearby | 66° | 68° | 32% | 4 mph WNW | 87% | 2 | |
| 11 AM | Patchy rain nearby | 67° | 68° | 33% | 4 mph W | 86% | 2 | |
| 12 PM | Patchy rain nearby | 68° | 69° | 31% | 4 mph WSW | 84% | 3 | |
| 1 PM | Light rain shower | 68° | 69° | 42% | 5 mph SW | 84% | 2 | |
| 2 PM | Patchy rain nearby | 67° | 69° | 37% | 5 mph SSW | 86% | 2 | |
| 3 PM | Patchy rain nearby | 67° | 69° | 39% | 5 mph S | 86% | 1 | |
| 4 PM | Light rain shower | 67° | 69° | 49% | 5 mph SSE | 86% | 0 | |
| 5 PM | Light rain shower | 67° | 68° | 48% | 6 mph SSE | 86% | 0 | |
| 6 PM | Light rain shower | 67° | 67° | 46% | 7 mph SSE | 84% | 0 | |
| 7 PM | Light rain shower | 67° | 67° | 45% | 6 mph SSE | 83% | 0 | |
| 8 PM | Light rain shower | 67° | 67° | 40% | 7 mph SE | 83% | 0 | |
| 9 PM | Light rain shower | 67° | 66° | 46% | 8 mph SE | 85% | 0 | |
| 10 PM | Light rain shower | 66° | 66° | 48% | 8 mph SE | 85% | 0 | |
| 11 PM | Light rain shower | 66° | 65° | 45% | 9 mph SE | 84% | 0 |
Rio de Janeiro hourly weather - Thursday, September 17
In Rio de Janeiro, expect a high near 66°F (19°C) around 11 AM and a low of 65°F (18°C) near 4 AM; precipitation risk peaks at 63% around 11 PM.
| Time | Conditions | Temp | Feels | Rain | Wind | Humidity | UV | |
|---|---|---|---|---|---|---|---|---|
| 12 AM | Light rain shower | 66° | 64° | 47% | 9 mph SE | 85% | 0 | |
| 1 AM | Light rain shower | 65° | 64° | 49% | 9 mph SE | 85% | 0 | |
| 2 AM | Light rain shower | 65° | 64° | 53% | 8 mph ESE | 85% | 0 | |
| 3 AM | Light rain shower | 65° | 64° | 48% | 8 mph ESE | 86% | 0 | |
| 4 AM | Light rain shower | 65° | 64° | 45% | 8 mph ESE | 86% | 0 | |
| 5 AM | Light rain shower | 65° | 64° | 45% | 7 mph E | 86% | 0 | |
| 6 AM | Patchy rain nearby | 65° | 64° | 40% | 7 mph E | 86% | 0 | |
| 7 AM | Light rain shower | 65° | 64° | 40% | 7 mph E | 85% | 0 | |
| 8 AM | Patchy rain nearby | 66° | 65° | 29% | 7 mph E | 83% | 0 | |
| 9 AM | Patchy rain nearby | 66° | 65° | 30% | 8 mph E | 83% | 1 | |
| 10 AM | Patchy rain nearby | 66° | 65° | 29% | 8 mph E | 82% | 2 | |
| 11 AM | Patchy rain nearby | 66° | 65° | 29% | 8 mph E | 82% | 2 | |
| 12 PM | Patchy rain nearby | 66° | 65° | 29% | 9 mph E | 82% | 2 | |
| 1 PM | Patchy rain nearby | 66° | 65° | 30% | 9 mph E | 81% | 2 | |
| 2 PM | Patchy rain nearby | 66° | 64° | 30% | 9 mph E | 81% | 2 | |
| 3 PM | Patchy rain nearby | 66° | 64° | 29% | 10 mph E | 82% | 1 | |
| 4 PM | Patchy rain nearby | 66° | 64° | 35% | 10 mph E | 83% | 0 | |
| 5 PM | Patchy rain nearby | 65° | 63° | 38% | 10 mph ENE | 84% | 0 | |
| 6 PM | Light rain shower | 65° | 63° | 44% | 9 mph E | 86% | 0 | |
| 7 PM | Light rain shower | 65° | 64° | 45% | 8 mph ENE | 87% | 0 | |
| 8 PM | Patchy rain nearby | 65° | 64° | 40% | 9 mph ENE | 87% | 0 | |
| 9 PM | Patchy rain nearby | 65° | 64° | 40% | 8 mph ENE | 88% | 0 | |
| 10 PM | Light rain shower | 65° | 65° | 57% | 8 mph ENE | 88% | 0 | |
| 11 PM | Light rain shower | 65° | 64° | 63% | 9 mph ENE | 90% | 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 65°F (18°C) around 6 AM up to 68°F (20°C) near 1 PM - about 12°F (7°C) below the typical September high of 80°F (27°C).
Precipitation is a real possibility: the chance of rain peaks at 72% around 4 AM.
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.