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 22 °C.
Precipitation probability 79%. Wind up to 1.31 m/s (gusts 2.08 m/s). Air humidity 87–99%, atmospheric pressure 758–761 mm Hg, UV index up to 5.9.
Sunrise 05:54
Sunset 18:06
Sunset 18:06
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 17 °C | 0% | 100% | 99% | 759 mm Hg | NNW 336° 0.11 (0.17) m/s | 0 |
| 01:00 |  Fog | 17 °C | 0% | 100% | 99% | 759 mm Hg | NW 323° 0.5 (0.89) m/s | 0 |
| 02:00 | Fog | 16 °C | 0% | 100% | 99% | 758 mm Hg | NW 320° 0.39 (0.72) m/s | 0 |
| 03:00 | Fog | 16 °C | 79% (0.01 mm/hr) | 100% | 99% | 758 mm Hg | NW 305° 0.5 (0.89) m/s | 0 |
| 04:00 | Fog | 17 °C | 0% | 100% | 99% | 758 mm Hg | WNW 300° 0.39 (0.72) m/s | 0 |
| 05:00 | Fog | 17 °C | 0% | 100% | 99% | 758 mm Hg | SSW 209° 0.39 (0.69) m/s | 0 |
| 06:00 |  Fog | 17 °C | 0% | 100% | 99% | 759 mm Hg | S 178° 0.39 (0.69) m/s | 0 |
| 07:00 |  Overcast | 18 °C | 0% | 96% | 98% | 759 mm Hg | S 179° 0.19 (0.31) m/s | 0.4 |
| 08:00 |  Patchy rain possible | 18 °C | 74% (0.02 mm/hr) | 93% | 98% | 760 mm Hg | SW 218° 0.19 (0.28) m/s | 1.5 |
| 09:00 | Patchy rain possible | 19 °C | 100% (0.05 mm/hr) | 90% | 96% | 760 mm Hg | NNE 28° 0.11 (0.14) m/s | 1.9 |
| 10:00 | Patchy rain possible | 20 °C | 100% (0.12 mm/hr) | 93% | 93% | 760 mm Hg | NNE 15° 0.31 (0.36) m/s | 1.8 |
| 11:00 |  Light rain shower | 20 °C | 100% (0.32 mm/hr) | 82% | 93% | 760 mm Hg | NNE 31° 0.31 (0.36) m/s | 2.7 |
| 12:00 | Light rain shower | 22 °C | 100% (0.74 mm/hr) | 86% | 87% | 759 mm Hg | ENE 58° 0.31 (0.39) m/s | 2.9 |
| 13:00 | Light rain shower | 21 °C | 100% (1.41 mm/hr) | 95% | 89% | 758 mm Hg | SSW 193° 0.31 (0.44) m/s | 3.4 |
| 14:00 | Light rain shower | 21 °C | 100% (1.29 mm/hr) | 61% | 93% | 758 mm Hg | S 175° 0.69 (1.17) m/s | 5.9 |
| 15:00 | Light rain shower | 21 °C | 100% (1.19 mm/hr) | 74% | 93% | 758 mm Hg | SSE 165° 0.89 (1.64) m/s | 2.6 |
| 16:00 | Light rain shower | 20 °C | 100% (0.66 mm/hr) | 72% | 94% | 758 mm Hg | SSE 161° 1 (1.33) m/s | 0.9 |
| 17:00 | Light rain shower | 20 °C | 100% (0.64 mm/hr) | 79% | 97% | 758 mm Hg | SSE 159° 1.31 (1.89) m/s | 0.2 |
| 18:00 | Fog | 18 °C | 100% (0.05 mm/hr) | 100% | 99% | 758 mm Hg | SSE 154° 1.31 (2.08) m/s | 0 |
| 19:00 | Fog | 18 °C | 71% (0.05 mm/hr) | 100% | 99% | 759 mm Hg | SSE 159° 1.19 (1.94) m/s | 0 |
| 20:00 | Fog | 18 °C | 79% (0.02 mm/hr) | 100% | 99% | 760 mm Hg | SSE 154° 1 (1.56) m/s | 0 |
| 21:00 | Fog | 18 °C | 100% (0.06 mm/hr) | 100% | 99% | 761 mm Hg | SSE 148° 0.81 (1.28) m/s | 0 |
| 22:00 | Fog | 17 °C | 0% | 100% | 99% | 761 mm Hg | SSE 156° 0.69 (1.14) m/s | 0 |
| 23:00 | Fog | 17 °C | 0% | 100% | 99% | 760 mm Hg | E 94° 0.31 (0.47) 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.