5-day weather forecast Reykjavík 21-06-2026
Weather forecast Reykjavík Sunday, June 21 21.06.2026: light rain shower, temperature from 7 °C to 12 °C.
Precipitation probability 7%. Wind up to 7.31 m/s (gusts 9.75 m/s). Air humidity 62–83%, atmospheric pressure 757–764 mm Hg.
Sunrise 02:55
Sunset 00:04
Sunset 00:04
First Quarter48% illuminated
Moonrise 13:02 · Moonset 01:11
Moonrise 13:02 · Moonset 01:11
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 8 °C | 7% | 10% | 72% | 757 mm Hg | N 3° 3.5 (4.86) m/s | 0 |
| 01:00 | Clear | 8 °C | 8% | 11% | 74% | 758 mm Hg | N 4° 3 (4.17) m/s | 0 |
| 02:00 | Clear | 8 °C | 8% | 11% | 75% | 758 mm Hg | N 2° 2.11 (2.94) m/s | 0 |
| 03:00 | Clear | 7 °C | 8% | 13% | 75% | 758 mm Hg | N 355° 1.61 (2.28) m/s | 0 |
| 04:00 | Clear | 7 °C | 9% | 14% | 75% | 758 mm Hg | N 356° 1.19 (1.72) m/s | 0 |
| 05:00 | Clear | 8 °C | 9% | 24% | 74% | 759 mm Hg | N 1° 0.81 (1.11) m/s | 0 |
| 06:00 |  Partly cloudy | 8 °C | 9% | 34% | 71% | 760 mm Hg | NNE 15° 0.5 (0.67) m/s | 0 |
| 07:00 | Partly cloudy | 9 °C | 10% | 56% | 68% | 760 mm Hg | ESE 110° 0.31 (0.39) m/s | 0 |
| 08:00 |  Cloudy | 9 °C | 10% | 64% | 65% | 761 mm Hg | S 176° 0.81 (1) m/s | 0 |
| 09:00 | Cloudy | 10 °C | 12% | 76% | 63% | 761 mm Hg | SSW 193° 1.11 (1.36) m/s | 0 |
| 10:00 | Partly cloudy | 10 °C | 7% | 43% | 62% | 761 mm Hg | SSW 198° 1.11 (1.39) m/s | 0 |
| 11:00 |  Patchy rain possible | 11 °C | 14% (0.01 mm/hr) | 85% | 63% | 761 mm Hg | S 188° 1.5 (1.86) m/s | 0 |
| 12:00 | Patchy rain possible | 11 °C | 22% (0.12 mm/hr) | 83% | 66% | 762 mm Hg | S 184° 2 (2.5) m/s | 0 |
| 13:00 | Patchy rain possible | 11 °C | 21% (0.13 mm/hr) | 72% | 68% | 762 mm Hg | S 181° 2.81 (3.44) m/s | 0 |
| 14:00 |  Light rain shower | 11 °C | 26% (0.22 mm/hr) | 75% | 68% | 762 mm Hg | S 173° 3.89 (4.72) m/s | 0 |
| 15:00 | Light rain shower | 12 °C | 23% (0.17 mm/hr) | 66% | 70% | 762 mm Hg | SSE 168° 5.19 (6.36) m/s | 0 |
| 16:00 | Light rain shower | 12 °C | 26% (0.18 mm/hr) | 74% | 71% | 762 mm Hg | SSE 166° 6.39 (8.08) m/s | 0 |
| 17:00 | Light rain shower | 11 °C | 35% (0.24 mm/hr) | 93% | 74% | 763 mm Hg | SSE 162° 7.11 (9.22) m/s | 0 |
| 18:00 | Patchy rain possible | 11 °C | 32% (0.14 mm/hr) | 100% | 75% | 763 mm Hg | SSE 160° 7.31 (9.75) m/s | 0 |
| 19:00 | Patchy rain possible | 11 °C | 28% (0.07 mm/hr) | 100% | 76% | 763 mm Hg | SSE 160° 7.19 (9.42) m/s | 0 |
| 20:00 | Patchy rain possible | 11 °C | 34% (0.15 mm/hr) | 100% | 77% | 764 mm Hg | SSE 164° 6.89 (9.11) m/s | 0 |
| 21:00 | Light rain shower | 10 °C | 48% (0.37 mm/hr) | 100% | 80% | 764 mm Hg | S 179° 6.31 (8.42) m/s | 0 |
| 22:00 | Light rain shower | 10 °C | 54% (0.44 mm/hr) | 100% | 83% | 764 mm Hg | SSW 200° 5.69 (7.5) m/s | 0 |
| 23:00 | Light rain shower | 9 °C | 44% (0.26 mm/hr) | 100% | 83% | 764 mm Hg | SW 217° 5.19 (7.03) m/s | 0 |
Reykjavík on the map
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.