5-day weather forecast State of Rio de Janeiro 20-03-2026
Weather forecast State of Rio de Janeiro Friday 20 March 20.03.2026: fog, temperature from 16 °C to 21 °C.
Precipitation probability 63%. Wind up to 1.39 m/s (gusts 2.11 m/s). Air humidity 90–99%, atmospheric pressure 758–760 mm Hg, UV index up to 12.
Sunrise 05:55
Sunset 18:05
Sunset 18:05
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Fog | 17 °C | 0% | 100% | 99% | 759 mm Hg | N 356° 0.39 (0.69) m/s | 0 |
| 01:00 | Fog | 17 °C | 0% | 100% | 99% | 759 mm Hg | NNW 348° 0.61 (1.14) m/s | 0 |
| 02:00 | Fog | 16 °C | 0% | 100% | 99% | 758 mm Hg | NW 308° 0.5 (1) m/s | 0 |
| 03:00 | Fog | 16 °C | 0% | 100% | 98% | 758 mm Hg | W 271° 0.39 (0.78) m/s | 0 |
| 04:00 | Fog | 17 °C | 0% | 100% | 98% | 758 mm Hg | W 275° 0.31 (0.58) m/s | 0 |
| 05:00 | Fog | 17 °C | 63% (0.01 mm/hr) | 100% | 98% | 758 mm Hg | WNW 290° 0.31 (0.58) m/s | 0 |
| 06:00 |  Fog | 17 °C | 0% | 100% | 98% | 758 mm Hg | WSW 237° 0.31 (0.56) m/s | 0 |
| 07:00 | Fog | 17 °C | 74% (0.01 mm/hr) | 100% | 97% | 759 mm Hg | SW 229° 0.81 (1.36) m/s | 0.1 |
| 08:00 |  Mist | 18 °C | 0% | 66% | 96% | 760 mm Hg | SW 217° 0.39 (0.58) m/s | 0.4 |
| 09:00 | Mist | 19 °C | 72% (0.01 mm/hr) | 73% | 95% | 760 mm Hg | SSW 211° 0.31 (0.39) m/s | 0.8 |
| 10:00 |  Patchy rain possible | 20 °C | 100% (0.13 mm/hr) | 88% | 90% | 760 mm Hg | ENE 61° 0.39 (0.47) m/s | 1.6 |
| 11:00 |  Light rain shower | 20 °C | 100% (0.82 mm/hr) | 80% | 91% | 759 mm Hg | E 89° 0.39 (0.5) m/s | 8.4 |
| 12:00 | Light rain shower | 21 °C | 100% (1.04 mm/hr) | 100% | 90% | 759 mm Hg | E 89° 0.31 (0.42) m/s | 12 |
| 13:00 | Light rain shower | 21 °C | 100% (1.38 mm/hr) | 100% | 91% | 758 mm Hg | SSW 192° 0.31 (0.47) m/s | 8.2 |
| 14:00 | Light rain shower | 20 °C | 100% (1.57 mm/hr) | 84% | 94% | 758 mm Hg | SSW 192° 0.69 (1.22) m/s | 3.1 |
| 15:00 | Light rain shower | 20 °C | 100% (1.19 mm/hr) | 72% | 96% | 758 mm Hg | S 182° 1 (1.89) m/s | 1.5 |
| 16:00 | Light rain shower | 20 °C | 100% (0.8 mm/hr) | 69% | 97% | 758 mm Hg | SSE 166° 1 (1.36) m/s | 0.7 |
| 17:00 | Light rain shower | 19 °C | 100% (0.29 mm/hr) | 85% | 98% | 758 mm Hg | SSE 160° 1.19 (1.72) m/s | 0.2 |
| 18:00 | Fog | 18 °C | 100% (0.08 mm/hr) | 100% | 99% | 758 mm Hg | SSE 161° 1.39 (2.11) m/s | 0 |
| 19:00 | Fog | 18 °C | 100% (0.07 mm/hr) | 100% | 99% | 759 mm Hg | SSE 166° 1.31 (2) m/s | 0 |
| 20:00 | Fog | 18 °C | 65% (0.03 mm/hr) | 100% | 99% | 760 mm Hg | SSE 161° 1.11 (1.67) m/s | 0 |
| 21:00 | Fog | 18 °C | 100% (0.14 mm/hr) | 100% | 99% | 760 mm Hg | SSE 164° 0.89 (1.36) m/s | 0 |
| 22:00 | Fog | 18 °C | 100% (0.11 mm/hr) | 100% | 99% | 760 mm Hg | SSE 162° 0.69 (1.03) m/s | 0 |
| 23:00 | Fog | 18 °C | 77% (0.01 mm/hr) | 100% | 99% | 760 mm Hg | SSE 152° 0.39 (0.58) 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.