5-day weather forecast Reykjavík Sep 5, 2026
9°Weather forecast Reykjavík tomorrow Sep 5, 2026: patchy rain possible, temperature from 8 °C to 9 °C.
Precipitation probability 27%. Wind up to 4.89 m/s (gusts 9.69 m/s). Air humidity 64–74%, atmospheric pressure 752–757 mm Hg, UV index up to 1.3.
5 days at a glance — tap a day to open it
Sunrise 06:22
Sunset 20:30
Sunset 20:30
Waning Crescent29% illuminated
Moonrise does not rise today · Moonset does not set today
Moonrise does not rise today · Moonset does not set today
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 8 °C | 27% (0.07 mm/hr) | 100% | 74% | 752 mm Hg | WSW 255° 4.61 (9.61) m/s | 0 |
| 01:00 | Patchy rain possible | 8 °C | 27% (0.07 mm/hr) | 100% | 74% | 752 mm Hg | WSW 254° 4.89 (7.89) m/s | 0 |
| 02:00 | Patchy rain possible | 8 °C | 27% (0.07 mm/hr) | 100% | 74% | 753 mm Hg | WSW 254° 4.81 (7.81) m/s | 0 |
| 03:00 | Patchy rain possible | 8 °C | 27% (0.07 mm/hr) | 100% | 74% | 753 mm Hg | WSW 257° 4.39 (8.39) m/s | 0 |
| 04:00 | Patchy rain possible | 8 °C | 23% (0.04 mm/hr) | 100% | 72% | 754 mm Hg | W 260° 3.89 (4.03) m/s | 0 |
| 05:00 | Patchy rain possible | 8 °C | 24% (0.06 mm/hr) | 100% | 71% | 754 mm Hg | W 262° 3.61 (3.81) m/s | 0 |
| 06:00 | Patchy rain possible | 8 °C | 24% (0.06 mm/hr) | 100% | 70% | 754 mm Hg | W 264° 3.5 (3.61) m/s | 0 |
| 07:00 | Patchy rain possible | 8 °C | 22% (0.04 mm/hr) | 100% | 69% | 755 mm Hg | W 266° 3.5 (3.53) m/s | 0 |
| 08:00 | Patchy rain possible | 8 °C | 21% (0.03 mm/hr) | 100% | 68% | 755 mm Hg | W 273° 3.19 (3.31) m/s | 0.1 |
| 09:00 | Patchy rain possible | 8 °C | 20% (0.02 mm/hr) | 100% | 68% | 755 mm Hg | W 278° 2.89 (3.11) m/s | 0.2 |
| 10:00 | Patchy rain possible | 8 °C | 20% (0.03 mm/hr) | 100% | 67% | 755 mm Hg | W 280° 2.69 (2.81) m/s | 0.5 |
| 11:00 | Patchy rain possible | 8 °C | 19% (0.03 mm/hr) | 99% | 67% | 756 mm Hg | W 280° 2.89 (2.92) m/s | 0.7 |
| 12:00 | Patchy rain possible | 8 °C | 16% (0.03 mm/hr) | 80% | 67% | 756 mm Hg | WNW 282° 3.11 (8.11) m/s | 1.1 |
| 13:00 | Patchy rain possible | 8 °C | 14% (0.02 mm/hr) | 75% | 68% | 756 mm Hg | WNW 286° 3.31 (7.31) m/s | 1.3 |
| 14:00 | Patchy rain possible | 8 °C | 11% (0.01 mm/hr) | 58% | 68% | 756 mm Hg | WNW 296° 3.5 (7.5) m/s | 1.3 |
| 15:00 | Patchy rain possible | 8 °C | 12% (0.01 mm/hr) | 66% | 67% | 757 mm Hg | WNW 299° 3.39 (8.39) m/s | 1 |
| 16:00 | Patchy rain possible | 8 °C | 15% (0.01 mm/hr) | 88% | 66% | 756 mm Hg | NW 305° 3.69 (6.69) m/s | 0.8 |
| 17:00 |  Sunny | 8 °C | 5% | 5% | 66% | 757 mm Hg | NW 310° 4 (8) m/s | 0.6 |
| 18:00 | Sunny | 8 °C | 5% | 4% | 65% | 757 mm Hg | NW 315° 4.31 (8.31) m/s | 0.4 |
| 19:00 | Sunny | 8 °C | 5% | 3% | 65% | 757 mm Hg | NW 324° 4.69 (9.69) m/s | 0.2 |
| 20:00 | Sunny | 9 °C | 5% | 3% | 65% | 757 mm Hg | NNW 327° 4.61 (8.61) m/s | 0 |
| 21:00 |  Clear | 9 °C | 5% | 3% | 64% | 757 mm Hg | NNW 327° 3.81 (8.81) m/s | 0 |
| 22:00 | Clear | 9 °C | 5% | 5% | 64% | 757 mm Hg | NNW 334° 3.39 (8.39) m/s | 0 |
| 23:00 | Clear | 9 °C | 5% | 5% | 65% | 757 mm Hg | NNW 344° 3.5 (7.5) 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.