5-day weather forecast Reykjavík 21-03-2026
Weather forecast Reykjavík Saturday 21 March 21.03.2026: blizzard, temperature from -1 °C to 1 °C.
Precipitation probability 100%. Wind up to 17.11 m/s (gusts 24.31 m/s). Air humidity 56–70%, atmospheric pressure 751–754 mm Hg, UV index up to 0.9.
Sunrise 07:37
Sunset 19:36
Sunset 19:36
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Blizzard | -1 °C | 100% (0.29 mm/hr) | 79% | 63% | 751 mm Hg | SW 236° 17.11 (24.31) m/s | 0 |
| 01:00 | Blizzard | 0 °C | 100% (0.25 mm/hr) | 78% | 64% | 751 mm Hg | WSW 237° 16.89 (20.67) m/s | 0 |
| 02:00 | Blizzard | -1 °C | 100% (0.23 mm/hr) | 79% | 63% | 751 mm Hg | WSW 237° 17 (20.78) m/s | 0 |
| 03:00 | Blizzard | 0 °C | 100% (0.23 mm/hr) | 71% | 60% | 752 mm Hg | WSW 241° 16.69 (21.06) m/s | 0 |
| 04:00 | Blizzard | 0 °C | 100% (0.25 mm/hr) | 80% | 62% | 752 mm Hg | WSW 238° 15.69 (20.39) m/s | 0 |
| 05:00 | Blizzard | 0 °C | 100% (0.23 mm/hr) | 84% | 62% | 752 mm Hg | WSW 239° 15.39 (20.56) m/s | 0 |
| 06:00 | Blizzard | 0 °C | 100% (0.24 mm/hr) | 93% | 63% | 752 mm Hg | WSW 240° 14.89 (20.67) m/s | 0 |
| 07:00 | Blizzard | 0 °C | 100% (0.25 mm/hr) | 87% | 63% | 752 mm Hg | WSW 238° 14.31 (17.89) m/s | 0 |
| 08:00 |  Blizzard | 0 °C | 100% (0.29 mm/hr) | 100% | 66% | 752 mm Hg | SW 236° 13.61 (16.83) m/s | 0 |
| 09:00 | Blizzard | 0 °C | 100% (0.24 mm/hr) | 99% | 65% | 752 mm Hg | WSW 237° 13.31 (16.78) m/s | 0.1 |
| 10:00 | Blizzard | 0 °C | 100% (0.24 mm/hr) | 100% | 66% | 752 mm Hg | SW 234° 12.61 (16.58) m/s | 0.3 |
| 11:00 | Blizzard | 0 °C | 100% (0.32 mm/hr) | 100% | 68% | 753 mm Hg | SW 234° 12.61 (17.03) m/s | 0.5 |
| 12:00 | Blizzard | 0 °C | 100% (0.32 mm/hr) | 100% | 69% | 753 mm Hg | WSW 237° 12.31 (16.42) m/s | 0.7 |
| 13:00 | Blizzard | 0 °C | 100% (0.24 mm/hr) | 100% | 67% | 753 mm Hg | SW 235° 11.69 (13.83) m/s | 0.8 |
| 14:00 | Blizzard | 0 °C | 100% (0.33 mm/hr) | 100% | 70% | 753 mm Hg | SW 233° 11.11 (13) m/s | 0.9 |
| 15:00 | Blizzard | 1 °C | 100% (0.27 mm/hr) | 96% | 65% | 753 mm Hg | SW 233° 11.31 (14.47) m/s | 0.7 |
| 16:00 | Blizzard | 1 °C | 100% (0.26 mm/hr) | 80% | 62% | 753 mm Hg | SW 233° 12 (14.67) m/s | 0.5 |
| 17:00 | Blizzard | 1 °C | 100% (0.2 mm/hr) | 71% | 58% | 753 mm Hg | WSW 237° 12.19 (16.72) m/s | 0.3 |
| 18:00 | Blizzard | 0 °C | 100% (0.24 mm/hr) | 87% | 60% | 753 mm Hg | WSW 238° 12.19 (15.39) m/s | 0.1 |
| 19:00 | Blizzard | 0 °C | 100% (0.25 mm/hr) | 80% | 62% | 753 mm Hg | SW 233° 11.69 (14.61) m/s | 0 |
| 20:00 | Blizzard | 0 °C | 100% (0.29 mm/hr) | 100% | 67% | 754 mm Hg | WSW 237° 12.31 (15.33) m/s | 0 |
| 21:00 | Blizzard | 0 °C | 100% (0.28 mm/hr) | 87% | 60% | 754 mm Hg | WSW 240° 12.81 (16.22) m/s | 0 |
| 22:00 | Blizzard | 0 °C | 100% (0.19 mm/hr) | 100% | 56% | 754 mm Hg | SW 234° 11.39 (15) m/s | 0 |
| 23:00 | Blizzard | 0 °C | 100% (0.17 mm/hr) | 91% | 62% | 754 mm Hg | SW 235° 10.81 (14.42) 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.