5-day weather forecast State of Rio de Janeiro 21-03-2026
Weather forecast State of Rio de Janeiro Saturday 21 March 21.03.2026: fog, temperature from 17 °C to 22 °C.
Precipitation probability 63%. Wind up to 1.31 m/s (gusts 2.14 m/s). Air humidity 84–100%, atmospheric pressure 758–761 mm Hg, UV index up to 10.5.
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 |  Patchy rain possible | 18 °C | 63% (0.02 mm/hr) | 100% | 99% | 759 mm Hg | E 89° 0.19 (0.28) m/s | 0 |
| 01:00 |  Fog | 18 °C | 60% (0.03 mm/hr) | 100% | 99% | 759 mm Hg | NNE 13° 0.5 (0.75) m/s | 0 |
| 02:00 | Fog | 18 °C | 83% (0.05 mm/hr) | 100% | 100% | 759 mm Hg | N 1° 0.61 (0.89) m/s | 0 |
| 03:00 | Fog | 18 °C | 75% (0.02 mm/hr) | 100% | 100% | 758 mm Hg | N 350° 0.61 (0.89) m/s | 0 |
| 04:00 | Fog | 18 °C | 68% (0.03 mm/hr) | 100% | 100% | 758 mm Hg | N 354° 0.69 (1.03) m/s | 0 |
| 05:00 | Fog | 17 °C | 75% (0.04 mm/hr) | 100% | 99% | 759 mm Hg | NNW 331° 0.61 (0.94) m/s | 0 |
| 06:00 |  Fog | 17 °C | 76% (0.03 mm/hr) | 100% | 99% | 760 mm Hg | NNW 342° 0.5 (0.83) m/s | 0 |
| 07:00 | Fog | 18 °C | 68% (0.03 mm/hr) | 100% | 99% | 760 mm Hg | NNW 348° 0.5 (0.72) m/s | 0.4 |
| 08:00 |  Mist | 19 °C | 71% (0.04 mm/hr) | 78% | 96% | 761 mm Hg | NNW 340° 0.5 (0.64) m/s | 1.7 |
| 09:00 |  Patchy rain possible | 20 °C | 100% (0.08 mm/hr) | 71% | 90% | 761 mm Hg | NNW 334° 0.69 (0.83) m/s | 3.9 |
| 10:00 |  Light rain shower | 22 °C | 100% (0.71 mm/hr) | 93% | 84% | 761 mm Hg | NNW 336° 0.61 (0.72) m/s | 8 |
| 11:00 | Light rain shower | 22 °C | 100% (0.94 mm/hr) | 81% | 86% | 761 mm Hg | NNW 335° 0.31 (0.42) m/s | 10.5 |
| 12:00 | Light rain shower | 22 °C | 100% (0.89 mm/hr) | 82% | 90% | 760 mm Hg | WNW 290° 0.11 (0.17) m/s | 9.5 |
| 13:00 | Light rain shower | 22 °C | 100% (1.1 mm/hr) | 78% | 90% | 759 mm Hg | SSW 208° 0.61 (1.06) m/s | 7.6 |
| 14:00 | Light rain shower | 22 °C | 100% (0.89 mm/hr) | 82% | 91% | 759 mm Hg | S 174° 0.89 (1.69) m/s | 7.1 |
| 15:00 | Light rain shower | 21 °C | 100% (1.13 mm/hr) | 80% | 92% | 758 mm Hg | SSE 162° 1.11 (2.14) m/s | 3.6 |
| 16:00 | Light rain shower | 20 °C | 100% (0.47 mm/hr) | 89% | 94% | 759 mm Hg | SSE 158° 1.31 (1.64) m/s | 1.5 |
| 17:00 | Light rain shower | 20 °C | 100% (0.19 mm/hr) | 81% | 97% | 759 mm Hg | SSE 150° 1.31 (1.72) m/s | 0.3 |
| 18:00 | Fog | 18 °C | 66% (0.05 mm/hr) | 100% | 98% | 760 mm Hg | SSE 154° 1.31 (2.08) m/s | 0 |
| 19:00 | Fog | 17 °C | 0% | 100% | 99% | 761 mm Hg | SSE 154° 1.11 (1.83) m/s | 0 |
| 20:00 | Fog | 17 °C | 0% | 100% | 99% | 761 mm Hg | SSE 156° 1 (1.67) m/s | 0 |
| 21:00 | Fog | 17 °C | 0% | 100% | 99% | 761 mm Hg | SSE 157° 0.81 (1.33) m/s | 0 |
| 22:00 | Fog | 17 °C | 0% | 100% | 98% | 761 mm Hg | SE 124° 0.5 (0.89) m/s | 0 |
| 23:00 | Fog | 17 °C | 0% | 100% | 97% | 761 mm Hg | NE 48° 0.31 (0.56) m/s | 0 |
Data Sources & Methodology
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