Weather in Hamburg on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +24°C and nighttime around +15°C, average precipitation 0.1 mm, wind around 3 m/s, humidity around 77%.
This is a climate-based estimate, not a precise long-range forecast. It is replaced by hourly data when the date enters the forecast window.
+18°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +12°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 14 h |
| UV index | 5 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 766 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +19°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +19°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 19° ↗ (NE) |
Sunrise
06:05
Duration
14 h 37 min
Sunset
20:42
Moonrise
Does not rise today
Moonset
18:06
Moon phase
Last Quarter
Illumination
29%
+15°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 85%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 7 h |
| UV index | 5 | Cloud cover (avg.) | 63% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +16°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +16°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 129° ↗ (NE) |
Sunrise
06:05
Duration
14 h 36 min
Sunset
20:41
Moonrise
20:40
Moonset
03:23
Moon phase
Waxing Gibbous
Illumination
93%
+20°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +15°C
Precipitation: 0.4 mm
Wind: 3 — 4 m/s
Humidity: 84%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 10 h |
| UV index | 5 | Cloud cover (avg.) | 75% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +20°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 69° → (E) |
Sunrise
06:04
Duration
14 h 39 min
Sunset
20:43
Moonrise
08:20
Moonset
21:42
Moon phase
Waxing Crescent
Illumination
9%
+22°C
Weather archive — for 2022 year
Partly Cloudy
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 76%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 53% |
| Pressure (avg.) | 760 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 259° ↖ (NW) |
Sunrise
06:04
Duration
14 h 38 min
Sunset
20:42
Moonrise
23:04
Moonset
14:21
Moon phase
Last Quarter
Illumination
54%
+16°C
Weather archive — for 2021 year
Cloudy
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 0 mm
Wind: 6 — 6 m/s
Humidity: 77%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 5 h |
| UV index | 4 | Cloud cover (avg.) | 76% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +15°C | Dew point (avg.) | +12°C |
| Heat index (avg.) | +16°C | Wind chill (avg.) | +15°C |
| Wind gusts (max.) | 14 m/s | Wind direction (avg.) | 267° ← (W) |
Sunrise
06:05
Duration
14 h 37 min
Sunset
20:42
Moonrise
18:17
Moonset
00:19
Moon phase
Waxing Gibbous
Illumination
69%
+20°C
Weather archive — for 2020 year
Overcast
Weather archive — for 2020 year
Nighttime: +17°C
Precipitation: 0.2 mm
Wind: 2 — 3 m/s
Humidity: 81%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 9 h |
| UV index | 5 | Cloud cover (avg.) | 67% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 249° ↙ (WSW) |
Sunrise
06:05
Duration
14 h 36 min
Sunset
20:41
Moonrise
04:35
Moonset
20:55
Moon phase
New Moon
Illumination
0%
Weather in Hamburg on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+25°C
|
+12°C
|
+18°C | 14 h | 5 | 61% | 2 — 2 m/s |
| 2024 |
+18°C
|
+14°C
|
+15°C | 7 h | 5 | 85% | 2 — 2 m/s |
| 2023 |
+26°C
|
+15°C
|
+20°C | 10 h | 5 | 84% | 3 — 4 m/s |
| 2022 |
+29°C
|
+17°C
|
+22°C | 13 h | 6 | 76% | 2 — 2 m/s |
| 2021 |
+19°C
|
+14°C
|
+16°C | 5 h | 4 | 77% | 6 — 6 m/s |
| 2020 |
+24°C
|
+17°C
|
+20°C | 9 h | 5 | 81% | 2 — 3 m/s |