5-day weather forecast Rio de Janeiro 18-03-2026
Weather forecast Rio de Janeiro tomorrow 18.03.2026: sunny, temperature from 22 °C to 27 °C.
No precipitation expected. Wind up to 4.19 m/s (gusts 5.03 m/s). Air humidity 69–91%, atmospheric pressure 758–760 mm Hg, UV index up to 9.5.
Sunrise 05:56
Sunset 18:08
Sunset 18:08
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 23 °C | 0% | 24% | 86% | 760 mm Hg | NE 53° 1.81 (2.69) m/s | 0 |
| 01:00 |  Partly cloudy | 22 °C | 0% | 33% | 87% | 760 mm Hg | NE 35° 1.31 (1.97) m/s | 0 |
| 02:00 | Partly cloudy | 22 °C | 0% | 37% | 88% | 759 mm Hg | NE 36° 1 (1.5) m/s | 0 |
| 03:00 | Partly cloudy | 22 °C | 0% | 39% | 89% | 759 mm Hg | NNE 18° 0.89 (1.36) m/s | 0 |
| 04:00 | Partly cloudy | 22 °C | 0% | 43% | 89% | 759 mm Hg | N 11° 1.11 (1.67) m/s | 0 |
| 05:00 | Partly cloudy | 22 °C | 0% | 45% | 90% | 759 mm Hg | NNE 24° 1 (1.53) m/s | 0 |
| 06:00 |  Partly cloudy | 22 °C | 0% | 46% | 91% | 760 mm Hg | NE 37° 1 (1.53) m/s | 0 |
| 07:00 | Partly cloudy | 22 °C | 0% | 46% | 89% | 760 mm Hg | NNE 32° 0.89 (1.22) m/s | 0.6 |
| 08:00 | Partly cloudy | 23 °C | 0% | 39% | 84% | 760 mm Hg | NNE 32° 1 (1.22) m/s | 2.1 |
| 09:00 | Partly cloudy | 25 °C | 0% | 42% | 78% | 760 mm Hg | NE 50° 0.81 (0.92) m/s | 4.6 |
| 10:00 |  Sunny | 26 °C | 0% | 17% | 73% | 760 mm Hg | SE 127° 0.89 (1.03) m/s | 7.2 |
| 11:00 | Sunny | 27 °C | 0% | 6% | 71% | 759 mm Hg | SSE 148° 2.11 (2.42) m/s | 9 |
| 12:00 | Sunny | 27 °C | 0% | 0% | 70% | 759 mm Hg | SSE 153° 3.11 (3.58) m/s | 9.5 |
| 13:00 | Sunny | 27 °C | 0% | 0% | 69% | 758 mm Hg | SSE 155° 3.81 (4.36) m/s | 8.2 |
| 14:00 | Sunny | 27 °C | 0% | 0% | 69% | 758 mm Hg | SSE 149° 4 (4.61) m/s | 6.1 |
| 15:00 | Sunny | 27 °C | 0% | 1% | 70% | 758 mm Hg | SE 141° 4.19 (4.83) m/s | 3.7 |
| 16:00 | Sunny | 26 °C | 0% | 12% | 71% | 758 mm Hg | SE 139° 4.19 (5.03) m/s | 1.7 |
| 17:00 | Sunny | 25 °C | 0% | 22% | 73% | 758 mm Hg | SE 133° 3.61 (4.61) m/s | 0.4 |
| 18:00 | Sunny | 25 °C | 0% | 18% | 75% | 758 mm Hg | SE 124° 2.81 (3.89) m/s | 0 |
| 19:00 | Clear | 24 °C | 0% | 15% | 76% | 758 mm Hg | ESE 121° 2.31 (3.25) m/s | 0 |
| 20:00 | Clear | 24 °C | 0% | 14% | 76% | 759 mm Hg | ESE 110° 1.81 (2.58) m/s | 0 |
| 21:00 | Clear | 24 °C | 0% | 21% | 77% | 759 mm Hg | E 96° 1.69 (2.47) m/s | 0 |
| 22:00 | Clear | 23 °C | 0% | 18% | 78% | 759 mm Hg | ENE 77° 1.69 (2.56) m/s | 0 |
| 23:00 | Clear | 23 °C | 0% | 18% | 81% | 759 mm Hg | ENE 61° 1.61 (2.42) m/s | 0 |
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.