5-day weather forecast Reykjavík 20-04-2026
Weather forecast Reykjavík Monday, April 20 20.04.2026: partly cloudy, temperature from 7 °C to 10 °C.
Precipitation probability 76%. Wind up to 11.11 m/s (gusts 18.31 m/s). Air humidity 63–86%, atmospheric pressure 768–779 mm Hg, UV index up to 2.7.
Sunrise 05:39
Sunset 21:17
Sunset 21:17
Waxing Crescent9% illuminated
Moonrise 00:00 · Moonset 00:00
Moonrise 00:00 · Moonset 00:00
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 8 °C | 0% | 54% | 80% | 768 mm Hg | SE 126° 11.11 (18.31) m/s | 0 |
| 01:00 |  Cloudy | 8 °C | 0% | 66% | 79% | 769 mm Hg | SE 129° 10.61 (17.83) m/s | 0 |
| 02:00 | Partly cloudy | 7 °C | 0% | 39% | 80% | 769 mm Hg | SE 131° 9.81 (16.61) m/s | 0 |
| 03:00 |  Clear | 7 °C | 0% | 25% | 79% | 770 mm Hg | SE 132° 8.89 (15.58) m/s | 0 |
| 04:00 | Clear | 7 °C | 0% | 24% | 79% | 770 mm Hg | SE 130° 8.39 (15.08) m/s | 0 |
| 05:00 | Partly cloudy | 7 °C | 0% | 34% | 79% | 770 mm Hg | SE 127° 8.31 (14.83) m/s | 0 |
| 06:00 |  Partly cloudy | 7 °C | 0% | 40% | 78% | 771 mm Hg | SE 127° 8.39 (15.08) m/s | 0 |
| 07:00 |  Sunny | 7 °C | 0% | 22% | 77% | 772 mm Hg | SE 128° 8.39 (14.86) m/s | 0.1 |
| 08:00 | Sunny | 8 °C | 0% | 22% | 75% | 773 mm Hg | SE 130° 8.11 (13.75) m/s | 0.3 |
| 09:00 |  Cloudy | 8 °C | 0% | 78% | 73% | 773 mm Hg | SE 133° 7.69 (12.53) m/s | 0.6 |
| 10:00 | Cloudy | 9 °C | 0% | 85% | 70% | 773 mm Hg | SE 135° 8.19 (13.03) m/s | 1.1 |
| 11:00 |  Patchy rain possible | 9 °C | 76% (0.01 mm/hr) | 58% | 70% | 774 mm Hg | SE 142° 9.11 (13.75) m/s | 1.6 |
| 12:00 | Partly cloudy | 9 °C | 0% | 33% | 67% | 775 mm Hg | SE 144° 9.11 (13.64) m/s | 2.1 |
| 13:00 | Sunny | 9 °C | 0% | 24% | 63% | 776 mm Hg | SE 144° 8.89 (13.86) m/s | 2.6 |
| 14:00 | Partly cloudy | 10 °C | 0% | 33% | 63% | 776 mm Hg | SSE 148° 8.81 (13.53) m/s | 2.7 |
| 15:00 | Partly cloudy | 9 °C | 0% | 47% | 66% | 776 mm Hg | SSE 147° 8.61 (13.28) m/s | 2.4 |
| 16:00 | Partly cloudy | 9 °C | 0% | 36% | 64% | 776 mm Hg | SE 145° 8.11 (12.72) m/s | 1.9 |
| 17:00 | Sunny | 9 °C | 0% | 14% | 65% | 776 mm Hg | SSE 147° 7.11 (11.67) m/s | 1.3 |
| 18:00 | Sunny | 9 °C | 0% | 13% | 69% | 777 mm Hg | SSE 147° 6.69 (11.33) m/s | 0.7 |
| 19:00 | Partly cloudy | 8 °C | 0% | 35% | 75% | 777 mm Hg | SE 144° 6.31 (10.44) m/s | 0.4 |
| 20:00 |  Overcast | 8 °C | 0% | 88% | 80% | 778 mm Hg | SE 144° 5.5 (9.39) m/s | 0.1 |
| 21:00 | Partly cloudy | 7 °C | 0% | 41% | 83% | 779 mm Hg | SE 144° 5 (8.72) m/s | 0 |
| 22:00 | Cloudy | 7 °C | 0% | 67% | 85% | 779 mm Hg | SE 139° 4.5 (7.94) m/s | 0 |
| 23:00 | Partly cloudy | 7 °C | 0% | 32% | 86% | 779 mm Hg | SE 134° 4.39 (7.89) 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.