5-day weather forecast Oslo 18-07-2026
Weather forecast Oslo Saturday, July 18 18.07.2026: light drizzle, temperature from 10 °C to 14 °C.
Precipitation probability 85%. Wind up to 7.19 m/s (gusts 10.64 m/s). Air humidity 72–95%, atmospheric pressure 755–761 mm Hg, UV index up to 1.1.
Weather Alerts
Hide alertsYellow High temperatures Large parts of mainland Götaland and Svealand as well as southernmost Norrland.
Execssive heat
Very hot weather is expected with temperatures reaching up to 30 degrees or just over 30 degrees.; What happens?: A high pressure has established itself just west of the country and is bringing warm air across the country. The warmest days look to be Wednesday and Thursday with temperatures around or just above 30 degrees. The nights will also be fairly warm, making it difficult to ventilate heat that has accumulated indoors. On Friday, the temperature will also approach 30 degrees, but it may be slightly lower depending on the amount of cloud cover and if any showers form. Cooler weather and rain will then take over during the weekend.; What should I think about?: Be aware of warning signs, both regarding yourself and people around you.
Drink more water, take it easy and find ways to cool down. Try to create a cool environment, keep an eye on the indoor temperature.; Where?: Large parts of mainland Götaland and Svealand as well as southernmost Norrland
Forest fire danger, yellow level, Southeastern parts of Norway, 2026-07-09T12:00:00+00:00, 2026-07-17T22:00:00+00:00
Forest fire danger
Local forest fire danger until there is significant precipitation.
Vegetation can easily catch fire: Do not use open fire. Follow instructions from local authorities.
Sunrise 04:28
Sunset 22:18
Sunset 22:18
Waxing Crescent23% illuminated
Moonrise 10:17 · Moonset 23:07
Moonrise 10:17 · Moonset 23:07
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 13 °C | 59% (0.64 mm/hr) | 64% | 94% | 755 mm Hg | NNE 17° 1.81 (3.78) m/s | 0 |
| 01:00 | Light rain shower | 14 °C | 68% (0.78 mm/hr) | 84% | 95% | 755 mm Hg | NNE 17° 1.61 (3.17) m/s | 0 |
| 02:00 |  Patchy light rain with thunder | 14 °C | 39% (0.16 mm/hr) | 73% | 95% | 755 mm Hg | N 5° 2.39 (4.08) m/s | 0 |
| 03:00 |  Mist | 14 °C | 37% (0.01 mm/hr) | 92% | 94% | 755 mm Hg | N 1° 2.5 (4.53) m/s | 0 |
| 04:00 |  Thundery outbreaks possible | 14 °C | 34% (0.02 mm/hr) | 100% | 93% | 755 mm Hg | N 5° 3.11 (4.78) m/s | 0 |
| 05:00 |  Light drizzle | 14 °C | 68% (0.47 mm/hr) | 100% | 93% | 755 mm Hg | N 358° 3.5 (4.97) m/s | 0 |
| 06:00 |  Light rain | 14 °C | 78% (1.32 mm/hr) | 100% | 95% | 755 mm Hg | N 353° 4 (5.14) m/s | 0 |
| 07:00 | Light rain | 13 °C | 72% (0.8 mm/hr) | 100% | 94% | 755 mm Hg | N 356° 5.5 (7.42) m/s | 0.1 |
| 08:00 | Light drizzle | 12 °C | 71% (0.57 mm/hr) | 100% | 93% | 755 mm Hg | N 2° 6.89 (9.75) m/s | 0.1 |
| 09:00 | Light drizzle | 11 °C | 71% (0.6 mm/hr) | 100% | 92% | 755 mm Hg | N 8° 7.19 (10.64) m/s | 0.2 |
| 10:00 | Light drizzle | 11 °C | 70% (0.59 mm/hr) | 100% | 91% | 756 mm Hg | N 8° 7.11 (10.39) m/s | 0.3 |
| 11:00 | Light drizzle | 11 °C | 71% (0.66 mm/hr) | 100% | 91% | 757 mm Hg | N 4° 6.69 (9.64) m/s | 0.4 |
| 12:00 | Light drizzle | 10 °C | 67% (0.53 mm/hr) | 90% | 91% | 757 mm Hg | N 5° 6.5 (9.36) m/s | 0.5 |
| 13:00 | Light drizzle | 11 °C | 67% (0.52 mm/hr) | 93% | 92% | 758 mm Hg | N 5° 6.31 (8.89) m/s | 0.6 |
| 14:00 | Light drizzle | 11 °C | 73% (0.7 mm/hr) | 97% | 93% | 758 mm Hg | N 4° 5.89 (8.19) m/s | 0.5 |
| 15:00 | Light rain | 10 °C | 76% (1.02 mm/hr) | 100% | 93% | 758 mm Hg | N 5° 5.5 (8.11) m/s | 0.8 |
| 16:00 | Light rain | 10 °C | 77% (1.47 mm/hr) | 90% | 94% | 758 mm Hg | N 4° 5.31 (8.22) m/s | 0.8 |
| 17:00 | Light rain | 10 °C | 83% (2.33 mm/hr) | 100% | 93% | 759 mm Hg | N 6° 5.11 (7.83) m/s | 1 |
| 18:00 |  Moderate rain | 10 °C | 85% (2.76 mm/hr) | 100% | 93% | 759 mm Hg | NNE 13° 4.19 (6.89) m/s | 1.1 |
| 19:00 | Light rain | 10 °C | 77% (1.46 mm/hr) | 95% | 92% | 759 mm Hg | NNE 29° 3.69 (6.17) m/s | 0.6 |
| 20:00 | Light rain | 11 °C | 69% (0.77 mm/hr) | 100% | 91% | 760 mm Hg | NE 35° 2.61 (4.11) m/s | 0.3 |
| 21:00 | Light drizzle | 10 °C | 60% (0.38 mm/hr) | 100% | 88% | 760 mm Hg | NNE 28° 2.81 (5) m/s | 0.1 |
| 22:00 | Light drizzle | 10 °C | 42% (0.19 mm/hr) | 94% | 80% | 761 mm Hg | NNE 17° 3.39 (6.72) m/s | 0 |
| 23:00 |  Patchy rain possible | 10 °C | 21% (0.01 mm/hr) | 100% | 72% | 761 mm Hg | NNE 13° 4.11 (8.22) m/s | 0 |
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Data Sources & Methodology
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