5-day weather forecast Reykjavík Sep 28, 2026
6°Weather forecast Reykjavík Monday Sep 28, 2026: patchy rain possible, temperature from 4 °C to 6 °C.
Precipitation probability 45%. Wind up to 8.11 m/s (gusts 10.81 m/s). Air humidity 66–97%, atmospheric pressure 741–752 mm Hg, UV index up to 3.
5 days at a glance — tap a day to open it
Sunrise 07:28
Sunset 19:08
Sunset 19:08
Waning Gibbous91% illuminated
Moonrise 18:21 · Moonset 10:35
Moonrise 18:21 · Moonset 10:35
Chart
Table
Mon, Sep 28, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 4 °C | 44% (0.1 mm/hr) | 100% | 97% | 741 mm Hg | NNE 26° 6.61 (7.31) m/s | 0 |
| 01:00 | Patchy rain possible | 4 °C | 45% (0.12 mm/hr) | 100% | 96% | 744 mm Hg | NNE 13° 7.31 (8.42) m/s | 0 |
| 02:00 | Patchy rain possible | 4 °C | 43% (0.1 mm/hr) | 100% | 96% | 744 mm Hg | NNE 16° 6.61 (8.64) m/s | 0 |
| 03:00 | Patchy rain possible | 4 °C | 38% (0.05 mm/hr) | 100% | 96% | 741 mm Hg | NNE 20° 7 (7.5) m/s | 0 |
| 04:00 | Patchy rain possible | 4 °C | 38% (0.06 mm/hr) | 100% | 93% | 744 mm Hg | NNE 20° 6.39 (9.72) m/s | 0 |
| 05:00 | Patchy rain possible | 4 °C | 32% (0.02 mm/hr) | 100% | 89% | 745 mm Hg | NNE 20° 6.81 (9.31) m/s | 0 |
| 06:00 |  Overcast | 4 °C | 24% | 94% | 81% | 742 mm Hg | N 4° 6.61 (7.61) m/s | 0 |
| 07:00 | Patchy rain possible | 4 °C | 23% (0.01 mm/hr) | 90% | 81% | 746 mm Hg | NNE 23° 7.61 (9.69) m/s | 0 |
| 08:00 |  Cloudy | 4 °C | 19% | 74% | 81% | 746 mm Hg | NNE 24° 7.81 (10.11) m/s | 0 |
| 09:00 |  Partly cloudy | 4 °C | 12% | 40% | 78% | 742 mm Hg | N 355° 6.61 (7.61) m/s | 0.1 |
| 10:00 |  Overcast | 5 °C | 23% | 100% | 78% | 746 mm Hg | NNE 26° 7.61 (10.81) m/s | 0.2 |
| 11:00 | Overcast | 4 °C | 22% | 100% | 76% | 747 mm Hg | NNE 29° 7.11 (9.61) m/s | 0.4 |
| 12:00 |  Sunny | 5 °C | 8% | 15% | 73% | 743 mm Hg | NNW 345° 6.19 (7.5) m/s | 0.6 |
| 13:00 | Overcast | 5 °C | 18% | 96% | 71% | 747 mm Hg | NNE 31° 7.11 (8.31) m/s | 1 |
| 14:00 | Cloudy | 5 °C | 15% | 82% | 69% | 748 mm Hg | NNE 32° 6.61 (7.39) m/s | 2 |
| 15:00 | Patchy rain possible | 5 °C | 31% (0.09 mm/hr) | 98% | 79% | 745 mm Hg | NNW 335° 7.19 (7.42) m/s | 2 |
| 16:00 | Partly cloudy | 5 °C | 8% | 36% | 67% | 749 mm Hg | NE 35° 5.69 (6.22) m/s | 3 |
| 17:00 | Sunny | 6 °C | 5% | 5% | 66% | 749 mm Hg | NE 37° 5.19 (5.42) m/s | 3 |
| 18:00 | Patchy rain possible | 5 °C | 26% (0.01 mm/hr) | 95% | 84% | 748 mm Hg | N 349° 8.11 (8.81) m/s | 1 |
| 19:00 | Sunny | 5 °C | 17% | 65% | 81% | 749 mm Hg | N 350° 7.39 (8) m/s | 2 |
| 20:00 | Patchy rain possible | 5 °C | 12% | 35% | 78% | 749 mm Hg | N 352° 6.69 (7.19) m/s | 0 |
| 21:00 |  Clear | 5 °C | 8% | 5% | 75% | 750 mm Hg | N 353° 6 (6.42) m/s | 0 |
| 22:00 | Clear | 5 °C | 8% | 5% | 75% | 752 mm Hg | N 355° 5.81 (6.11) m/s | 0 |
| 23:00 | Clear | 4 °C | 8% | 4% | 75% | 752 mm Hg | N 356° 5.5 (5.81) m/s | 0 |
Mon, Sep 28, 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.