5-day weather forecast Reykjavík 19-08-2026
Weather forecast Reykjavík Wednesday, August 19 19.08.2026: partly cloudy, temperature from 10 °C to 13 °C.
Precipitation probability 24%. Wind up to 4.19 m/s (gusts 5.64 m/s). Air humidity 74–90%, atmospheric pressure 755–763 mm Hg, UV index up to 4.
5 days at a glance — tap a day to open it
Sunrise 05:31
Sunset 21:30
Sunset 21:30
First Quarter48% illuminated
Moonrise 17:41 · Moonset 20:19
Moonrise 17:41 · Moonset 20:19
Chart
Table
Wed, Aug 19, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 10 °C | 15% | 21% | 90% | 755 mm Hg | S 180° 1.11 (1.78) m/s | 0 |
| 01:00 | Clear | 10 °C | 15% | 22% | 90% | 755 mm Hg | SSE 158° 1.39 (2.31) m/s | 0 |
| 02:00 | Clear | 10 °C | 15% | 20% | 89% | 756 mm Hg | SSE 149° 1.81 (2.94) m/s | 0 |
| 03:00 |  Partly cloudy | 10 °C | 19% | 54% | 88% | 756 mm Hg | SE 140° 2.31 (3.72) m/s | 0 |
| 04:00 | Partly cloudy | 10 °C | 17% | 39% | 88% | 757 mm Hg | SE 130° 2.69 (4.28) m/s | 0 |
| 05:00 | Partly cloudy | 10 °C | 19% | 53% | 88% | 757 mm Hg | ESE 121° 2.89 (4.47) m/s | 0 |
| 06:00 |  Partly cloudy | 11 °C | 20% | 59% | 88% | 758 mm Hg | ESE 116° 2.81 (4.17) m/s | 4 |
| 07:00 | Partly cloudy | 11 °C | 18% | 54% | 86% | 758 mm Hg | ESE 116° 2.69 (3.81) m/s | 4 |
| 08:00 | Partly cloudy | 11 °C | 15% | 51% | 82% | 758 mm Hg | ESE 119° 2.61 (3.5) m/s | 4 |
| 09:00 | Partly cloudy | 12 °C | 14% | 50% | 79% | 758 mm Hg | SE 129° 2.5 (3.28) m/s | 4 |
| 10:00 | Partly cloudy | 12 °C | 14% | 58% | 76% | 758 mm Hg | SE 136° 2.19 (2.86) m/s | 4 |
| 11:00 |  Cloudy | 13 °C | 15% | 66% | 75% | 759 mm Hg | SSE 148° 1.69 (2.22) m/s | 3 |
| 12:00 | Cloudy | 13 °C | 16% | 78% | 74% | 759 mm Hg | S 173° 1.19 (1.56) m/s | 3 |
| 13:00 |  Overcast | 13 °C | 21% | 100% | 74% | 760 mm Hg | SSW 212° 1.31 (1.69) m/s | 3 |
| 14:00 | Overcast | 13 °C | 22% | 100% | 76% | 760 mm Hg | SW 228° 1.89 (2.5) m/s | 3 |
| 15:00 | Overcast | 13 °C | 22% | 100% | 77% | 761 mm Hg | SW 214° 2.31 (3) m/s | 3 |
| 16:00 |  Patchy rain possible | 12 °C | 24% (0.02 mm/hr) | 100% | 77% | 761 mm Hg | SSW 206° 2.11 (2.75) m/s | 3 |
| 17:00 | Patchy rain possible | 12 °C | 23% (0.01 mm/hr) | 100% | 78% | 761 mm Hg | SSW 195° 2.31 (3) m/s | 3 |
| 18:00 | Patchy rain possible | 12 °C | 24% (0.02 mm/hr) | 100% | 78% | 761 mm Hg | S 181° 2.89 (3.81) m/s | 3 |
| 19:00 | Overcast | 12 °C | 22% | 97% | 78% | 762 mm Hg | S 176° 3.31 (4.39) m/s | 3 |
| 20:00 | Patchy rain possible | 11 °C | 22% | 95% | 79% | 762 mm Hg | S 172° 3.81 (5) m/s | 3 |
| 21:00 | Overcast | 11 °C | 22% | 92% | 79% | 763 mm Hg | SSE 168° 4.19 (5.64) m/s | 3 |
| 22:00 |  Overcast | 11 °C | 23% | 95% | 81% | 763 mm Hg | SSE 163° 3.69 (5.11) m/s | 0 |
| 23:00 | Overcast | 11 °C | 24% | 97% | 82% | 763 mm Hg | SSE 158° 3.31 (4.5) m/s | 0 |
Wed, Aug 19, 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.