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 78%. Wind up to 1.31 m/s (gusts 2.14 m/s). Air humidity 88–99%, atmospheric pressure 758–761 mm Hg, UV index up to 6.
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 |  Fog | 18 °C | 78% (0.02 mm/hr) | 100% | 99% | 760 mm Hg | NNE 26° 0.69 (1.08) m/s | 0 |
| 01:00 | Fog | 18 °C | 100% (0.07 mm/hr) | 100% | 99% | 760 mm Hg | N 6° 0.81 (1.28) m/s | 0 |
| 02:00 | Fog | 17 °C | 71% (0.04 mm/hr) | 100% | 99% | 759 mm Hg | N 353° 0.61 (0.97) m/s | 0 |
| 03:00 | Fog | 18 °C | 80% (0.04 mm/hr) | 100% | 99% | 759 mm Hg | NNW 345° 0.61 (1) m/s | 0 |
| 04:00 | Fog | 17 °C | 76% (0.03 mm/hr) | 100% | 99% | 759 mm Hg | NNW 335° 0.69 (1.22) m/s | 0 |
| 05:00 | Fog | 18 °C | 67% (0.02 mm/hr) | 100% | 99% | 760 mm Hg | NNW 347° 0.69 (1.22) m/s | 0 |
| 06:00 |  Fog | 17 °C | 65% (0.01 mm/hr) | 100% | 99% | 760 mm Hg | N 353° 1 (1.75) m/s | 0 |
| 07:00 | Fog | 18 °C | 64% (0.01 mm/hr) | 100% | 98% | 761 mm Hg | NNW 344° 0.89 (1.31) m/s | 0.6 |
| 08:00 |  Mist | 20 °C | 62% (0.04 mm/hr) | 79% | 95% | 761 mm Hg | NNW 348° 1 (1.22) m/s | 2.5 |
| 09:00 |  Light rain shower | 21 °C | 100% (0.28 mm/hr) | 75% | 89% | 761 mm Hg | N 354° 1.31 (1.53) m/s | 5.5 |
| 10:00 | Light rain shower | 21 °C | 100% (0.79 mm/hr) | 95% | 89% | 761 mm Hg | NNW 339° 1.19 (1.5) m/s | 6 |
| 11:00 | Light rain shower | 22 °C | 100% (1.25 mm/hr) | 100% | 91% | 761 mm Hg | NNW 345° 1 (1.44) m/s | 6 |
| 12:00 | Light rain shower | 22 °C | 100% (0.48 mm/hr) | 100% | 90% | 760 mm Hg | NNW 329° 0.69 (1.11) m/s | 6 |
| 13:00 | Light rain shower | 22 °C | 100% (1.45 mm/hr) | 90% | 90% | 759 mm Hg | WNW 296° 0.39 (0.69) m/s | 6 |
| 14:00 | Light rain shower | 22 °C | 100% (0.34 mm/hr) | 86% | 88% | 759 mm Hg | SSW 204° 0.39 (0.72) m/s | 6 |
| 15:00 | Light rain shower | 22 °C | 100% (1.71 mm/hr) | 70% | 89% | 758 mm Hg | SSE 167° 0.89 (1.72) m/s | 6 |
| 16:00 | Light rain shower | 21 °C | 100% (1.36 mm/hr) | 77% | 94% | 758 mm Hg | SSE 152° 1.19 (1.56) m/s | 6 |
| 17:00 | Light rain shower | 20 °C | 100% (0.89 mm/hr) | 77% | 97% | 759 mm Hg | SSE 150° 1.31 (1.83) m/s | 6 |
| 18:00 |  Light rain shower | 19 °C | 100% (0.25 mm/hr) | 97% | 99% | 760 mm Hg | SSE 157° 1.31 (2.14) m/s | 0 |
| 19:00 | Fog | 18 °C | 63% (0.01 mm/hr) | 100% | 99% | 761 mm Hg | SSE 160° 1.19 (1.97) m/s | 0 |
| 20:00 | Fog | 18 °C | 0% | 100% | 99% | 761 mm Hg | SSE 153° 1 (1.58) m/s | 0 |
| 21:00 | Fog | 18 °C | 67% (0.01 mm/hr) | 100% | 99% | 761 mm Hg | SE 125° 0.69 (1.08) m/s | 0 |
| 22:00 | Fog | 18 °C | 64% (0.01 mm/hr) | 100% | 99% | 761 mm Hg | SE 128° 0.61 (1) m/s | 0 |
| 23:00 | Fog | 17 °C | 0% | 100% | 98% | 761 mm Hg | NE 56° 0.39 (0.75) m/s | 0 |
Data Sources & Methodology
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