5-day weather forecast Brussels Oct 18, 2026
12°Weather forecast Brussels Sunday Oct 18, 2026: patchy rain possible, temperature from 5 °C to 12 °C.
Precipitation probability 32%. Wind up to 4.81 m/s (gusts 8.31 m/s). Air humidity 58–92%, atmospheric pressure 769–770 mm Hg, UV index up to 0.9.
5 days at a glance — tap a day to open it
Sunrise 08:10
Sunset 18:44
Sunset 18:44
First Quarter58% illuminated
Moonrise 16:07 · Moonset does not set today
Moonrise 16:07 · Moonset does not set today
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 7 °C | 9% | 6% | 77% | 770 mm Hg | N 0° 1.89 (2.5) m/s | 0 |
| 01:00 | Clear | 7 °C | 9% | 5% | 78% | 770 mm Hg | NNW 346° 1.69 (1.69) m/s | 0 |
| 02:00 | Clear | 6 °C | 9% | 5% | 78% | 770 mm Hg | NNW 346° 1.31 (1.31) m/s | 0 |
| 03:00 | Clear | 6 °C | 10% | 5% | 80% | 770 mm Hg | NNW 341° 1.19 (1.22) m/s | 0 |
| 04:00 | Clear | 6 °C | 11% | 5% | 83% | 770 mm Hg | N 6° 1.5 (1.5) m/s | 0 |
| 05:00 | Clear | 6 °C | 12% | 5% | 87% | 770 mm Hg | NNE 23° 1.61 (2) m/s | 0 |
| 06:00 |  Partly cloudy | 5 °C | 20% | 53% | 91% | 770 mm Hg | NNE 32° 1.89 (2.31) m/s | 0 |
| 07:00 |  Overcast | 6 °C | 31% | 98% | 92% | 770 mm Hg | NE 40° 2.11 (3.22) m/s | 0 |
| 08:00 |  Patchy rain possible | 7 °C | 30% (0.01 mm/hr) | 100% | 89% | 770 mm Hg | NE 36° 2.5 (5.31) m/s | 0 |
| 09:00 | Patchy rain possible | 7 °C | 32% (0.03 mm/hr) | 100% | 89% | 770 mm Hg | NNE 28° 3.5 (7.22) m/s | 0 |
| 10:00 | Patchy rain possible | 7 °C | 30% (0.01 mm/hr) | 100% | 88% | 770 mm Hg | NE 44° 4 (7.22) m/s | 0.3 |
| 11:00 | Patchy rain possible | 8 °C | 28% (0.03 mm/hr) | 94% | 84% | 770 mm Hg | NE 53° 3.5 (6.22) m/s | 0.6 |
| 12:00 | Patchy rain possible | 9 °C | 23% (0.01 mm/hr) | 98% | 76% | 770 mm Hg | NE 49° 3.19 (5.03) m/s | 0.8 |
| 13:00 | Patchy rain possible | 10 °C | 23% (0.06 mm/hr) | 100% | 70% | 770 mm Hg | NE 50° 3.39 (5.11) m/s | 0.8 |
| 14:00 | Patchy rain possible | 11 °C | 20% (0.02 mm/hr) | 100% | 68% | 770 mm Hg | NE 37° 3.69 (5.11) m/s | 0.7 |
| 15:00 | Patchy rain possible | 11 °C | 14% (0.01 mm/hr) | 81% | 65% | 770 mm Hg | NNE 30° 4.11 (5.22) m/s | 0.7 |
| 16:00 | Patchy rain possible | 12 °C | 9% (0.02 mm/hr) | 59% | 59% | 769 mm Hg | NNE 28° 3.89 (5) m/s | 0.9 |
| 17:00 | Patchy rain possible | 12 °C | 18% (0.07 mm/hr) | 92% | 58% | 769 mm Hg | NE 37° 4.5 (5.72) m/s | 0.5 |
| 18:00 | Patchy rain possible | 11 °C | 13% (0.04 mm/hr) | 70% | 64% | 769 mm Hg | NE 38° 3.69 (6.11) m/s | 0.1 |
| 19:00 | Patchy rain possible | 8 °C | 25% (0.03 mm/hr) | 100% | 76% | 770 mm Hg | ENE 60° 3.61 (7.42) m/s | 0 |
| 20:00 | Overcast | 8 °C | 22% | 100% | 77% | 770 mm Hg | E 88° 4.81 (8.31) m/s | 0 |
| 21:00 | Overcast | 8 °C | 22% | 91% | 79% | 770 mm Hg | ENE 69° 4 (7.72) m/s | 0 |
| 22:00 | Patchy rain possible | 7 °C | 27% (0.02 mm/hr) | 100% | 82% | 770 mm Hg | ENE 63° 3.5 (6.72) m/s | 0 |
| 23:00 | Patchy rain possible | 7 °C | 29% (0.01 mm/hr) | 100% | 86% | 770 mm Hg | ENE 62° 3.19 (6.81) 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.