5-day weather forecast Oslo 20-05-2026
Weather forecast Oslo Wednesday, May 20 20.05.2026: overcast, temperature from 8 °C to 16 °C.
Precipitation probability 75%. Wind up to 4.69 m/s (gusts 5.42 m/s). Air humidity 56–98%, atmospheric pressure 760–762 mm Hg, UV index up to 3.8.
Sunrise 04:29
Sunset 22:00
Sunset 22:00
Waxing Crescent15% illuminated
Moonrise 06:51 · Moonset 02:25
Moonrise 06:51 · Moonset 02:25
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 9 °C | 0% | 19% | 72% | 762 mm Hg | SSW 205° 0.89 (1.89) m/s | 0 |
| 01:00 |  Partly cloudy | 9 °C | 0% | 28% | 72% | 761 mm Hg | SSW 198° 1 (2.11) m/s | 0 |
| 02:00 | Partly cloudy | 9 °C | 0% | 46% | 72% | 761 mm Hg | S 175° 0.69 (1.47) m/s | 0 |
| 03:00 | Partly cloudy | 8 °C | 0% | 46% | 73% | 761 mm Hg | S 173° 0.89 (1.86) m/s | 0 |
| 04:00 | Partly cloudy | 8 °C | 0% | 52% | 74% | 761 mm Hg | S 186° 1.19 (2.44) m/s | 0 |
| 05:00 |  Cloudy | 8 °C | 0% | 68% | 76% | 761 mm Hg | SSW 197° 1.11 (2.17) m/s | 0 |
| 06:00 | Cloudy | 9 °C | 0% | 78% | 75% | 761 mm Hg | S 183° 1 (1.61) m/s | 0.1 |
| 07:00 | Cloudy | 11 °C | 0% | 72% | 69% | 761 mm Hg | S 177° 1.31 (1.5) m/s | 0.4 |
| 08:00 | Cloudy | 13 °C | 0% | 77% | 63% | 761 mm Hg | S 181° 1.89 (2.19) m/s | 0.9 |
| 09:00 | Cloudy | 14 °C | 0% | 82% | 61% | 761 mm Hg | S 183° 2.5 (2.89) m/s | 1.6 |
| 10:00 |  Partly cloudy | 14 °C | 0% | 53% | 61% | 761 mm Hg | S 184° 2.81 (3.22) m/s | 2.3 |
| 11:00 |  Overcast | 15 °C | 0% | 100% | 61% | 761 mm Hg | S 189° 3.19 (3.67) m/s | 2.8 |
| 12:00 | Overcast | 15 °C | 0% | 100% | 59% | 761 mm Hg | S 190° 3.39 (3.92) m/s | 3.3 |
| 13:00 | Overcast | 16 °C | 0% | 100% | 56% | 761 mm Hg | S 189° 3.69 (4.25) m/s | 3.8 |
| 14:00 | Overcast | 16 °C | 0% | 92% | 56% | 761 mm Hg | S 187° 4.11 (4.72) m/s | 3.6 |
| 15:00 |  Patchy rain possible | 16 °C | 75% (0.04 mm/hr) | 98% | 59% | 761 mm Hg | S 189° 4.69 (5.42) m/s | 2.9 |
| 16:00 | Patchy rain possible | 16 °C | 62% (0.02 mm/hr) | 86% | 60% | 761 mm Hg | SSW 197° 4.69 (5.42) m/s | 2.7 |
| 17:00 | Cloudy | 16 °C | 0% | 79% | 57% | 761 mm Hg | SSW 197° 4.69 (5.42) m/s | 1.8 |
| 18:00 | Overcast | 15 °C | 0% | 88% | 60% | 761 mm Hg | S 189° 4.61 (5.28) m/s | 1 |
| 19:00 | Overcast | 14 °C | 0% | 100% | 67% | 761 mm Hg | S 180° 4.31 (4.94) m/s | 0.6 |
| 20:00 | Patchy rain possible | 13 °C | 100% (0.14 mm/hr) | 100% | 80% | 760 mm Hg | S 172° 3.31 (3.81) m/s | 0.2 |
| 21:00 |  Light rain shower | 12 °C | 100% (0.18 mm/hr) | 100% | 93% | 760 mm Hg | SSE 163° 2.89 (3.36) m/s | 0 |
| 22:00 |  Light rain shower | 11 °C | 100% (0.19 mm/hr) | 100% | 96% | 760 mm Hg | S 174° 3.19 (3.86) m/s | 0 |
| 23:00 | Light rain shower | 11 °C | 100% (0.25 mm/hr) | 100% | 98% | 760 mm Hg | SSE 163° 2.69 (3.28) 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.