5-day weather forecast Reykjavík Sep 30, 2026
12°Weather forecast Reykjavík Wednesday Sep 30, 2026: light rain shower, temperature from 9 °C to 12 °C.
Precipitation probability 73%. Wind up to 14 m/s (gusts 20.72 m/s). Air humidity 71–93%, atmospheric pressure 730–745 mm Hg, UV index up to 0.1.
5 days at a glance — tap a day to open it
Sunrise 07:34
Sunset 19:01
Sunset 19:01
Waning Gibbous75% illuminated
Moonrise 17:47 · Moonset 14:37
Moonrise 17:47 · Moonset 14:37
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 11 °C | 71% (1.13 mm/hr) | 100% | 85% | 745 mm Hg | ESE 122° 9.11 (13.61) m/s | 0 |
| 01:00 | Light rain shower | 11 °C | 68% (0.76 mm/hr) | 100% | 90% | 745 mm Hg | ESE 107° 4.61 (6.42) m/s | 0 |
| 02:00 | Light rain shower | 10 °C | 69% (0.72 mm/hr) | 100% | 93% | 744 mm Hg | ENE 60° 4.69 (6.22) m/s | 0 |
| 03:00 | Light rain shower | 10 °C | 53% (0.36 mm/hr) | 100% | 88% | 743 mm Hg | ENE 64° 5.81 (8.42) m/s | 0 |
| 04:00 | Light rain shower | 10 °C | 59% (0.59 mm/hr) | 100% | 82% | 742 mm Hg | NE 37° 6.19 (8.89) m/s | 0 |
| 05:00 |  Patchy rain possible | 10 °C | 23% (0.01 mm/hr) | 100% | 76% | 741 mm Hg | NE 37° 8.11 (11.92) m/s | 0 |
| 06:00 | Light rain shower | 10 °C | 41% (0.31 mm/hr) | 100% | 75% | 740 mm Hg | NE 39° 7.89 (12.19) m/s | 0 |
| 07:00 | Light rain shower | 10 °C | 45% (0.36 mm/hr) | 100% | 77% | 739 mm Hg | NE 35° 6.69 (10.25) m/s | 0 |
| 08:00 | Light rain shower | 9 °C | 73% (1.47 mm/hr) | 100% | 85% | 738 mm Hg | NE 35° 5.61 (8.39) m/s | 0 |
| 09:00 | Light rain shower | 9 °C | 63% (0.59 mm/hr) | 100% | 88% | 737 mm Hg | NNE 24° 5.61 (7.31) m/s | 0 |
| 10:00 | Light rain shower | 9 °C | 65% (0.72 mm/hr) | 100% | 87% | 737 mm Hg | NE 35° 5.89 (8.03) m/s | 0.1 |
| 11:00 | Light rain shower | 9 °C | 66% (0.73 mm/hr) | 100% | 87% | 737 mm Hg | NE 39° 6.11 (8.19) m/s | 0.1 |
| 12:00 |  Overcast | 10 °C | 26% | 99% | 84% | 737 mm Hg | NE 53° 5.5 (7.22) m/s | 0.1 |
| 13:00 |  Patchy rain possible | 11 °C | 22% (0.01 mm/hr) | 84% | 81% | 737 mm Hg | ENE 68° 5.81 (7.81) m/s | 0.1 |
| 14:00 | Patchy rain possible | 12 °C | 17% (0.01 mm/hr) | 75% | 75% | 736 mm Hg | E 93° 7.69 (10.83) m/s | 0.1 |
| 15:00 | Patchy rain possible | 12 °C | 24% (0.02 mm/hr) | 100% | 76% | 736 mm Hg | E 90° 6.81 (9.42) m/s | 0.1 |
| 16:00 | Patchy rain possible | 12 °C | 32% (0.14 mm/hr) | 97% | 76% | 735 mm Hg | E 97° 8.19 (12.11) m/s | 0.1 |
| 17:00 | Patchy rain possible | 12 °C | 23% (0.03 mm/hr) | 98% | 75% | 734 mm Hg | E 94° 8.61 (12) m/s | 0 |
| 18:00 | Patchy rain possible | 12 °C | 44% (0.43 mm/hr) | 82% | 76% | 734 mm Hg | E 82° 8.5 (12.03) m/s | 0 |
| 19:00 | Light rain shower | 11 °C | 40% (0.45 mm/hr) | 55% | 79% | 734 mm Hg | E 89° 9.39 (14) m/s | 0 |
| 20:00 | Patchy rain possible | 12 °C | 21% (0.01 mm/hr) | 100% | 72% | 734 mm Hg | E 85° 10.89 (17.61) m/s | 0 |
| 21:00 |  Overcast | 11 °C | 19% | 100% | 71% | 732 mm Hg | E 80° 12.31 (18.64) m/s | 0 |
| 22:00 | Patchy rain possible | 11 °C | 29% (0.1 mm/hr) | 100% | 73% | 731 mm Hg | ENE 69° 12.69 (18.61) m/s | 0 |
| 23:00 | Patchy rain possible | 11 °C | 22% (0.02 mm/hr) | 100% | 75% | 730 mm Hg | ENE 77° 14 (20.72) m/s | 0 |
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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.