5-day weather forecast Rio de Janeiro 18-03-2026
Weather forecast Rio de Janeiro today 18.03.2026: partly cloudy, temperature from 22 °C to 27 °C.
No precipitation expected. Wind up to 4.31 m/s (gusts 4.94 m/s). Air humidity 68–91%, atmospheric pressure 758–760 mm Hg, UV index up to 10.6.
Sunset 18:08
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 23 °C | 0% | 28% | 86% | 760 mm Hg | NE 52° 1.81 (2.67) m/s | 0 |
| 01:00 | Partly cloudy | 23 °C | 0% | 30% | 87% | 760 mm Hg | NE 49° 1.39 (2.08) m/s | 0 |
| 02:00 | Partly cloudy | 22 °C | 0% | 38% | 88% | 759 mm Hg | ENE 57° 1.19 (1.78) m/s | 0 |
| 03:00 | Partly cloudy | 22 °C | 0% | 43% | 89% | 759 mm Hg | NE 44° 1.39 (2.08) m/s | 0 |
| 04:00 | Partly cloudy | 22 °C | 0% | 46% | 90% | 759 mm Hg | NE 38° 1.31 (1.92) m/s | 0 |
| 05:00 | Partly cloudy | 22 °C | 0% | 50% | 91% | 759 mm Hg | NE 51° 1.19 (1.81) m/s | 0 |
| 06:00 |  Partly cloudy | 22 °C | 0% | 44% | 91% | 759 mm Hg | NE 38° 1.19 (1.83) m/s | 0 |
| 07:00 | Partly cloudy | 22 °C | 0% | 40% | 89% | 760 mm Hg | NE 39° 1.31 (1.78) m/s | 0.6 |
| 08:00 | Partly cloudy | 24 °C | 0% | 32% | 85% | 760 mm Hg | NE 35° 1.31 (1.58) m/s | 2.1 |
| 09:00 | Partly cloudy | 25 °C | 0% | 38% | 78% | 760 mm Hg | NE 47° 1.11 (1.28) m/s | 4.6 |
| 10:00 |  Sunny | 26 °C | 0% | 14% | 73% | 759 mm Hg | E 101° 0.81 (0.92) m/s | 7.5 |
| 11:00 | Sunny | 27 °C | 0% | 1% | 70% | 759 mm Hg | SE 146° 1.69 (1.97) m/s | 9.6 |
| 12:00 | Sunny | 27 °C | 0% | 0% | 69% | 758 mm Hg | SSE 151° 3 (3.44) m/s | 10.6 |
| 13:00 | Sunny | 27 °C | 0% | 3% | 68% | 758 mm Hg | SSE 149° 3.89 (4.5) m/s | 9.8 |
| 14:00 | Sunny | 27 °C | 0% | 3% | 68% | 758 mm Hg | SE 142° 4.31 (4.94) m/s | 7.3 |
| 15:00 | Sunny | 27 °C | 0% | 5% | 70% | 758 mm Hg | SE 138° 4.31 (4.94) m/s | 4.3 |
| 16:00 | Sunny | 26 °C | 0% | 12% | 71% | 758 mm Hg | SE 137° 4 (4.83) m/s | 1.9 |
| 17:00 | Sunny | 25 °C | 0% | 19% | 74% | 758 mm Hg | SE 133° 3.5 (4.47) m/s | 0.4 |
| 18:00 | Sunny | 25 °C | 0% | 21% | 77% | 758 mm Hg | SE 124° 2.81 (3.92) m/s | 0 |
| 19:00 |  Clear | 24 °C | 0% | 22% | 78% | 758 mm Hg | ESE 120° 2.31 (3.33) m/s | 0 |
| 20:00 | Partly cloudy | 24 °C | 0% | 27% | 79% | 759 mm Hg | ESE 116° 2 (2.92) m/s | 0 |
| 21:00 | Partly cloudy | 24 °C | 0% | 33% | 81% | 759 mm Hg | E 100° 1.81 (2.67) m/s | 0 |
| 22:00 | Partly cloudy | 23 °C | 0% | 35% | 81% | 759 mm Hg | E 81° 1.61 (2.39) m/s | 0 |
| 23:00 | Partly cloudy | 23 °C | 0% | 38% | 83% | 759 mm Hg | ENE 73° 1.5 (2.22) m/s | 0 |
Frequently asked questions about the weather in Rio de Janeiro
What is the weather in Rio de Janeiro today?
Today in Rio de Janeiro the temperature ranges from 22 °C to 27 °C, wind up to 4.31 m/s. Check the detailed hourly forecast above for more information.
Will it rain in Rio de Janeiro this week?
The precipitation probability in Rio de Janeiro today is 0%. View the full multi-day forecast above to see the rain chances for each upcoming day.
What is the wind speed in Rio de Janeiro today?
The wind speed in Rio de Janeiro today reaches up to 4.31 m/s with gusts up to 4.94 m/s. Check the detailed wind chart above for hourly wind data.
What is the humidity in Rio de Janeiro today?
The air humidity in Rio de Janeiro today ranges from 68% to 91%. View the humidity chart above for hourly details.
What is the UV index in Rio de Janeiro today?
The UV index in Rio de Janeiro today reaches up to 10.6. Check the UV index chart above for hourly values throughout the day.
What is the atmospheric pressure in Rio de Janeiro today?
The atmospheric pressure in Rio de Janeiro today ranges from 758 to 760 mm Hg. View the pressure chart above for hourly readings.
What is the cloud cover in Rio de Janeiro today?
Cloud cover in Rio de Janeiro today reaches up to 50%. Check the cloud cover chart above for hourly details throughout the day.
Data Sources & Methodology
Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.