5-day weather forecast Hamburg 18-08-2026
Weather forecast Hamburg Tuesday, August 18 18.08.2026: patchy rain possible, temperature from 12 °C to 18 °C.
Precipitation probability 31%. Wind up to 5 m/s (gusts 5.97 m/s). Air humidity 55–90%, atmospheric pressure 757–762 mm Hg, UV index up to 4.
5 days at a glance — tap a day to open it
Sunrise 06:04
Sunset 20:42
Sunset 20:42
First Quarter37% illuminated
Moonrise 13:48 · Moonset 22:05
Moonrise 13:48 · Moonset 22:05
Chart
Table
Tue, Aug 18, 2026
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 14 °C | 9% | 49% | 68% | 761 mm Hg | WNW 287° 2.89 (4.64) m/s | 0 |
| 01:00 | Partly cloudy | 13 °C | 10% | 46% | 72% | 761 mm Hg | W 280° 2.31 (4.28) m/s | 0 |
| 02:00 | Partly cloudy | 12 °C | 11% | 47% | 73% | 761 mm Hg | W 276° 1.89 (3.58) m/s | 0 |
| 03:00 |  Patchy rain possible | 13 °C | 18% (0.03 mm/hr) | 68% | 77% | 761 mm Hg | WNW 282° 2.89 (4.36) m/s | 0 |
| 04:00 | Patchy rain possible | 13 °C | 24% (0.08 mm/hr) | 70% | 80% | 761 mm Hg | W 273° 2.61 (3.92) m/s | 0 |
| 05:00 |  Overcast | 12 °C | 22% | 96% | 78% | 761 mm Hg | WSW 243° 2.11 (3.69) m/s | 0 |
| 06:00 | Patchy rain possible | 12 °C | 24% (0.02 mm/hr) | 84% | 84% | 761 mm Hg | W 270° 2.69 (5.08) m/s | 0 |
| 07:00 |  Overcast | 13 °C | 16% | 91% | 69% | 762 mm Hg | W 281° 3.11 (5.06) m/s | 0.1 |
| 08:00 |  Patchy rain possible | 14 °C | 20% (0.01 mm/hr) | 81% | 79% | 760 mm Hg | WSW 244° 2.69 (3.78) m/s | 0.2 |
| 09:00 | Patchy rain possible | 15 °C | 13% (0.01 mm/hr) | 83% | 63% | 762 mm Hg | W 265° 3.81 (5.25) m/s | 0.5 |
| 10:00 |  Cloudy | 15 °C | 12% | 78% | 63% | 762 mm Hg | W 262° 3.81 (4.92) m/s | 0.8 |
| 11:00 | Patchy rain possible | 16 °C | 17% (0.01 mm/hr) | 94% | 67% | 760 mm Hg | WSW 246° 4.19 (4.92) m/s | 1.2 |
| 12:00 | Patchy rain possible | 18 °C | 17% (0.06 mm/hr) | 100% | 55% | 762 mm Hg | W 267° 4.81 (5.58) m/s | 2.7 |
| 13:00 | Patchy rain possible | 18 °C | 14% (0.04 mm/hr) | 92% | 56% | 762 mm Hg | W 267° 5 (5.97) m/s | 2.4 |
| 14:00 | Cloudy | 14 °C | 19% | 83% | 77% | 759 mm Hg | SSW 213° 2.61 (3.42) m/s | 2.1 |
| 15:00 | Overcast | 15 °C | 17% | 88% | 73% | 759 mm Hg | SSW 210° 2.69 (3.39) m/s | 4 |
| 16:00 | Cloudy | 17 °C | 16% | 94% | 68% | 758 mm Hg | SSW 208° 2.69 (3.31) m/s | 4 |
| 17:00 | Overcast | 18 °C | 15% | 100% | 64% | 758 mm Hg | SSW 206° 2.81 (3.22) m/s | 4 |
| 18:00 | Overcast | 17 °C | 18% | 100% | 70% | 758 mm Hg | SSW 195° 2.39 (3) m/s | 4 |
| 19:00 | Overcast | 16 °C | 21% | 100% | 75% | 758 mm Hg | S 185° 2.11 (2.69) m/s | 4 |
| 20:00 | Overcast | 15 °C | 25% | 100% | 81% | 758 mm Hg | S 174° 1.69 (2.44) m/s | 4 |
| 21:00 | Patchy rain possible | 15 °C | 26% | 100% | 84% | 758 mm Hg | S 173° 1.61 (2.31) m/s | 0 |
| 22:00 | Overcast | 15 °C | 28% | 100% | 87% | 758 mm Hg | S 171° 1.5 (2.19) m/s | 0 |
| 23:00 | Patchy rain possible | 15 °C | 31% (0.01 mm/hr) | 100% | 90% | 757 mm Hg | S 170° 1.39 (2.11) 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.