5-day weather forecast Reykjavík 21-03-2026
Weather forecast Reykjavík Saturday 21 March 21.03.2026: blizzard, temperature from -2 °C to 2 °C.
Precipitation probability 100%. Wind up to 19.5 m/s (gusts 27.5 m/s). Air humidity 60–95%, atmospheric pressure 749–753 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% (0.41 mm/hr) | 91% | 69% | 749 mm Hg | WSW 239° 18.5 (27.5) m/s | 0 |
| 01:00 | Blizzard | -1 °C | 100% (0.47 mm/hr) | 91% | 69% | 749 mm Hg | WSW 240° 19.5 (23.06) m/s | 0 |
| 02:00 | Blizzard | -2 °C | 100% (0.44 mm/hr) | 95% | 68% | 749 mm Hg | WSW 246° 18.39 (23.56) m/s | 0 |
| 03:00 | Blizzard | -1 °C | 100% (0.4 mm/hr) | 86% | 66% | 749 mm Hg | WSW 243° 18.69 (25.28) m/s | 0 |
| 04:00 | Blizzard | -1 °C | 100% (0.46 mm/hr) | 92% | 68% | 750 mm Hg | WSW 244° 18.89 (26.86) m/s | 0 |
| 05:00 | Blizzard | -1 °C | 100% (0.43 mm/hr) | 83% | 66% | 750 mm Hg | WSW 247° 18.19 (27.06) m/s | 0 |
| 06:00 | Blizzard | -1 °C | 100% (0.32 mm/hr) | 82% | 64% | 751 mm Hg | WSW 246° 17.81 (27.28) m/s | 0 |
| 07:00 | Blizzard | -1 °C | 100% (0.43 mm/hr) | 89% | 64% | 751 mm Hg | WSW 245° 17.31 (21.28) m/s | 0 |
| 08:00 |  Blizzard | 0 °C | 100% (0.29 mm/hr) | 85% | 63% | 752 mm Hg | WSW 247° 16.81 (21.17) m/s | 0 |
| 09:00 | Blizzard | 0 °C | 100% (0.27 mm/hr) | 92% | 64% | 752 mm Hg | WSW 244° 15.5 (20.11) m/s | 0.1 |
| 10:00 | Blizzard | 0 °C | 100% (0.25 mm/hr) | 98% | 65% | 752 mm Hg | WSW 244° 15.19 (20) m/s | 0.3 |
| 11:00 | Blizzard | 0 °C | 100% (0.26 mm/hr) | 90% | 63% | 752 mm Hg | WSW 245° 14.31 (19.83) m/s | 0.5 |
| 12:00 | Blizzard | 0 °C | 100% (0.24 mm/hr) | 100% | 66% | 753 mm Hg | WSW 246° 12.89 (17.22) m/s | 0.7 |
| 13:00 | Blizzard | 1 °C | 100% (0.24 mm/hr) | 95% | 63% | 753 mm Hg | WSW 244° 11.89 (14.33) m/s | 0.8 |
| 14:00 | Blizzard | 1 °C | 100% (0.2 mm/hr) | 89% | 64% | 753 mm Hg | WSW 238° 10.81 (13.14) m/s | 0.9 |
| 15:00 | Blizzard | 2 °C | 100% (0.24 mm/hr) | 100% | 60% | 752 mm Hg | SW 236° 10.89 (13.61) m/s | 0.7 |
| 16:00 | Blizzard | 2 °C | 100% (0.19 mm/hr) | 100% | 63% | 752 mm Hg | SW 236° 9.5 (12) m/s | 0.5 |
| 17:00 | Blizzard | 2 °C | 100% (0.15 mm/hr) | 100% | 66% | 752 mm Hg | SW 231° 8 (10.53) m/s | 0.3 |
| 18:00 |  Moderate snow | 1 °C | 100% (0.18 mm/hr) | 100% | 69% | 752 mm Hg | SW 216° 6 (7.78) m/s | 0.1 |
| 19:00 |  Moderate or heavy snow showers | 1 °C | 100% (0.18 mm/hr) | 100% | 71% | 752 mm Hg | SSW 194° 4.31 (5.78) m/s | 0 |
| 20:00 |  Light snow | 1 °C | 100% (0.06 mm/hr) | 100% | 75% | 751 mm Hg | SSE 154° 3.61 (5.08) m/s | 0 |
| 21:00 |  Moderate or heavy snow showers | 0 °C | 100% (0.26 mm/hr) | 100% | 88% | 750 mm Hg | SE 130° 3.5 (4.67) m/s | 0 |
| 22:00 |  Heavy snow | 0 °C | 100% (0.31 mm/hr) | 100% | 94% | 749 mm Hg | ESE 111° 3.5 (4.72) m/s | 0 |
| 23:00 | Moderate or heavy snow showers | 0 °C | 100% (0.23 mm/hr) | 100% | 95% | 749 mm Hg | E 89° 3.69 (5.03) 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.