5-day weather forecast Reykjavík Oct 18, 2026
10°Weather forecast Reykjavík Sunday Oct 18, 2026: light rain shower, temperature from 7 °C to 10 °C.
Precipitation probability 85%. Wind up to 17.89 m/s (gusts 24.83 m/s). Air humidity 75–92%, atmospheric pressure 747–753 mm Hg, UV index up to 0.3.
5 days at a glance — tap a day to open it
Sunrise 08:27
Sunset 17:58
Sunset 17:58
First Quarter58% illuminated
Moonrise 17:46 · Moonset 22:23
Moonrise 17:46 · Moonset 22:23
Chart
Table
Sun, Oct 18, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 10 °C | 38% (0.14 mm/hr) | 100% | 83% | 749 mm Hg | SSE 163° 15.39 (20.81) m/s | 0 |
| 01:00 | Patchy rain possible | 10 °C | 33% (0.12 mm/hr) | 90% | 81% | 748 mm Hg | SSE 168° 17.39 (22.81) m/s | 0 |
| 02:00 |  Light drizzle | 9 °C | 66% (0.59 mm/hr) | 100% | 84% | 748 mm Hg | S 174° 17 (22.92) m/s | 0 |
| 03:00 | Patchy rain possible | 9 °C | 22% (0.06 mm/hr) | 80% | 75% | 748 mm Hg | S 177° 17.11 (21.72) m/s | 0 |
| 04:00 | Light drizzle | 8 °C | 55% (0.37 mm/hr) | 100% | 82% | 748 mm Hg | S 169° 16.31 (21.22) m/s | 0 |
| 05:00 | Light drizzle | 9 °C | 45% (0.21 mm/hr) | 100% | 81% | 749 mm Hg | S 191° 16.81 (21.25) m/s | 0 |
| 06:00 |  Light rain shower | 8 °C | 39% (0.21 mm/hr) | 100% | 79% | 749 mm Hg | S 188° 16.31 (20.69) m/s | 0 |
| 07:00 | Light rain shower | 8 °C | 41% (0.24 mm/hr) | 100% | 80% | 750 mm Hg | S 189° 16.39 (20.11) m/s | 0 |
| 08:00 | Light rain shower | 8 °C | 44% (0.3 mm/hr) | 100% | 79% | 751 mm Hg | SSW 195° 15.81 (20.72) m/s | 0 |
| 09:00 | Light rain shower | 8 °C | 37% (0.21 mm/hr) | 100% | 76% | 752 mm Hg | SSW 197° 15.61 (19.72) m/s | 0 |
| 10:00 | Light rain shower | 8 °C | 36% (0.2 mm/hr) | 100% | 76% | 752 mm Hg | SSW 200° 16.19 (19.42) m/s | 0 |
| 11:00 | Light rain shower | 8 °C | 36% (0.21 mm/hr) | 100% | 75% | 753 mm Hg | SSW 201° 15.19 (18.61) m/s | 0.2 |
| 12:00 | Light rain shower | 8 °C | 44% (0.36 mm/hr) | 100% | 75% | 753 mm Hg | SSW 199° 14.61 (18.33) m/s | 0.3 |
| 13:00 |  Light rain | 7 °C | 78% (1.97 mm/hr) | 100% | 87% | 753 mm Hg | SSW 193° 14 (17.42) m/s | 0.2 |
| 14:00 | Light rain | 7 °C | 77% (1.59 mm/hr) | 100% | 89% | 752 mm Hg | S 189° 13.89 (17.81) m/s | 0.1 |
| 15:00 | Light rain | 7 °C | 78% (1.73 mm/hr) | 100% | 90% | 752 mm Hg | S 181° 15.11 (19) m/s | 0.1 |
| 16:00 | Light rain | 7 °C | 79% (1.9 mm/hr) | 100% | 90% | 751 mm Hg | SSE 167° 15.81 (21.19) m/s | 0 |
| 17:00 | Light rain | 8 °C | 81% (2.22 mm/hr) | 100% | 89% | 749 mm Hg | SSE 165° 17 (24.31) m/s | 0 |
| 18:00 |  Moderate rain | 9 °C | 85% (2.95 mm/hr) | 100% | 91% | 748 mm Hg | S 169° 17.89 (24.83) m/s | 0 |
| 19:00 | Moderate rain | 9 °C | 84% (2.63 mm/hr) | 100% | 92% | 747 mm Hg | S 187° 15.89 (22.72) m/s | 0 |
| 20:00 |  Light rain | 10 °C | 77% (1.32 mm/hr) | 100% | 92% | 747 mm Hg | SSW 199° 15.39 (22.19) m/s | 0 |
| 21:00 | Light drizzle | 10 °C | 67% (0.47 mm/hr) | 100% | 92% | 747 mm Hg | SSW 198° 16.39 (23.22) m/s | 0 |
| 22:00 | Light drizzle | 10 °C | 56% (0.27 mm/hr) | 100% | 91% | 747 mm Hg | SSW 204° 16.89 (23.89) m/s | 0 |
| 23:00 | Light drizzle | 10 °C | 70% (0.59 mm/hr) | 100% | 91% | 748 mm Hg | SSW 204° 16.89 (24) m/s | 0 |
Sun, Oct 18, 2026
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.