5-day weather forecast Oslo 18-08-2026
Weather forecast Oslo Tuesday, August 18 18.08.2026: patchy rain possible, temperature from 8 °C to 20 °C.
Precipitation probability 52%. Wind up to 2 m/s (gusts 3.78 m/s). Air humidity 43–94%, atmospheric pressure 754–758 mm Hg, UV index up to 5.
5 days at a glance — tap a day to open it
Sunrise 05:39
Sunset 21:02
Sunset 21:02
First Quarter37% illuminated
Moonrise 14:23 · Moonset 21:21
Moonrise 14:23 · Moonset 21:21
Chart
Table
Tue, Aug 18, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 11 °C | 41% (0.3 mm/hr) | 88% | 80% | 756 mm Hg | NNE 31° 0.69 (1.47) m/s | 0 |
| 01:00 |  Light rain shower | 10 °C | 39% (0.3 mm/hr) | 67% | 85% | 756 mm Hg | NNE 32° 0.89 (1.89) m/s | 0 |
| 02:00 |  Cloudy | 11 °C | 19% | 66% | 84% | 756 mm Hg | NE 39° 1.61 (3.36) m/s | 0 |
| 03:00 | Patchy rain possible | 9 °C | 45% (0.24 mm/hr) | 83% | 92% | 758 mm Hg | N 6° 1.81 (3.78) m/s | 0 |
| 04:00 | Light rain shower | 8 °C | 40% (0.26 mm/hr) | 58% | 94% | 758 mm Hg | N 357° 1.81 (3.78) m/s | 0 |
| 05:00 | Light rain shower | 11 °C | 41% (0.18 mm/hr) | 100% | 85% | 756 mm Hg | NNE 28° 1.69 (3.22) m/s | 0 |
| 06:00 |  Light rain shower | 8 °C | 52% (0.32 mm/hr) | 88% | 94% | 758 mm Hg | NNW 348° 1.5 (3.14) m/s | 0 |
| 07:00 | Light rain shower | 10 °C | 38% (0.17 mm/hr) | 75% | 91% | 758 mm Hg | NNW 343° 1.19 (2.08) m/s | 0.2 |
| 08:00 |  Patchy rain possible | 12 °C | 32% (0.14 mm/hr) | 60% | 89% | 756 mm Hg | NNE 24° 1.39 (1.86) m/s | 0.4 |
| 09:00 | Light rain shower | 13 °C | 38% (0.26 mm/hr) | 79% | 83% | 757 mm Hg | N 2° 0.81 (0.92) m/s | 0.7 |
| 10:00 | Patchy rain possible | 14 °C | 38% (0.35 mm/hr) | 74% | 77% | 757 mm Hg | NNE 33° 0.31 (0.36) m/s | 1.5 |
| 11:00 | Patchy rain possible | 13 °C | 19% (0.01 mm/hr) | 70% | 81% | 756 mm Hg | NE 44° 0.89 (1.03) m/s | 2 |
| 12:00 |  Partly cloudy | 16 °C | 8% | 49% | 66% | 757 mm Hg | SE 128° 1.11 (1.36) m/s | 2.6 |
| 13:00 | Partly cloudy | 18 °C | 7% | 55% | 57% | 756 mm Hg | SSE 147° 1.31 (1.61) m/s | 3.4 |
| 14:00 |  Sunny | 18 °C | 4% | 24% | 52% | 755 mm Hg | ENE 72° 1.11 (1.28) m/s | 3.4 |
| 15:00 | Partly cloudy | 19 °C | 4% | 32% | 49% | 755 mm Hg | ENE 78° 0.81 (0.89) m/s | 5 |
| 16:00 | Sunny | 19 °C | 4% | 39% | 46% | 755 mm Hg | E 85° 0.5 (0.61) m/s | 5 |
| 17:00 | Partly cloudy | 20 °C | 4% | 46% | 43% | 754 mm Hg | E 92° 0.19 (0.22) m/s | 5 |
| 18:00 | Patchy rain possible | 18 °C | 6% | 60% | 48% | 754 mm Hg | E 101° 0.39 (0.69) m/s | 4 |
| 19:00 | Partly cloudy | 17 °C | 9% | 73% | 54% | 754 mm Hg | ESE 111° 0.61 (1.11) m/s | 5 |
| 20:00 | Patchy rain possible | 15 °C | 13% (0.02 mm/hr) | 87% | 59% | 754 mm Hg | ESE 120° 0.81 (1.58) m/s | 3 |
| 21:00 | Partly cloudy | 14 °C | 10% | 74% | 61% | 754 mm Hg | E 99° 1.19 (2.19) m/s | 4 |
| 22:00 | Patchy rain possible | 14 °C | 9% | 60% | 63% | 755 mm Hg | ENE 78° 1.61 (2.81) m/s | 0 |
| 23:00 |  Partly cloudy | 13 °C | 8% | 47% | 65% | 755 mm Hg | NE 56° 2 (3.39) m/s | 0 |
Tue, Aug 18, 2026
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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.