Weather in Dortmund 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 +16°C, average precipitation 0.6 mm, wind around 2 m/s, humidity around 70%.
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.
+20°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +14°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 54%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 14 h |
| UV index | 6 | Cloud cover (avg.) | 13% |
| Pressure (avg.) | 765 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +21°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +21°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 47° ↗ (ENE) |
Sunrise
06:21
Duration
14 h 25 min
Sunset
20:46
Moonrise
Does not rise today
Moonset
17:59
Moon phase
Last Quarter
Illumination
29%
+18°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +16°C
Precipitation: 2.7 mm
Wind: 2 — 3 m/s
Humidity: 90%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +20°C | Sun hours | 4 h |
| UV index | 4 | Cloud cover (avg.) | 89% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +18°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +18°C | Wind chill (avg.) | +18°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 257° ← (WNW) |
Sunrise
06:21
Duration
14 h 25 min
Sunset
20:46
Moonrise
20:40
Moonset
03:47
Moon phase
Waxing Gibbous
Illumination
93%
+22°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +15°C
Precipitation: 0 mm
Wind: 2 — 2 m/s
Humidity: 72%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 10 h |
| UV index | 6 | Cloud cover (avg.) | 49% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 6 m/s | Wind direction (avg.) | 100° ↗ (ENE) |
Sunrise
06:20
Duration
14 h 27 min
Sunset
20:47
Moonrise
08:33
Moonset
21:50
Moon phase
Waxing Crescent
Illumination
9%
+21°C
Weather archive — for 2022 year
Patchy rain nearby
Weather archive — for 2022 year
Nighttime: +17°C
Precipitation: 0.1 mm
Wind: 2 — 2 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 53% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +15°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 90° → (E) |
Sunrise
06:20
Duration
14 h 27 min
Sunset
20:47
Moonrise
23:23
Moonset
14:23
Moon phase
Last Quarter
Illumination
54%
+16°C
Weather archive — for 2021 year
Patchy rain nearby
Weather archive — for 2021 year
Nighttime: +14°C
Precipitation: 0.6 mm
Wind: 3 — 4 m/s
Humidity: 80%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +19°C | Sun hours | 1 h |
| UV index | 4 | Cloud cover (avg.) | 92% |
| Pressure (avg.) | 762 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 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.) | 9 m/s | Wind direction (avg.) | 248° ↙ (WSW) |
Sunrise
06:21
Duration
14 h 25 min
Sunset
20:46
Moonrise
18:13
Moonset
00:43
Moon phase
Waxing Gibbous
Illumination
69%
+21°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 61%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 8 h |
| UV index | 5 | Cloud cover (avg.) | 66% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +14°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 8 m/s | Wind direction (avg.) | 237° ↙ (WSW) |
Sunrise
06:21
Duration
14 h 25 min
Sunset
20:46
Moonrise
04:55
Moonset
20:57
Moon phase
New Moon
Illumination
0%
Weather in Dortmund on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+27°C
|
+14°C
|
+20°C | 14 h | 6 | 54% | 2 — 4 m/s |
| 2024 |
+20°C
|
+16°C
|
+18°C | 4 h | 4 | 90% | 2 — 3 m/s |
| 2023 |
+29°C
|
+15°C
|
+22°C | 10 h | 6 | 72% | 2 — 2 m/s |
| 2022 |
+25°C
|
+17°C
|
+21°C | 11 h | 6 | 65% | 2 — 2 m/s |
| 2021 |
+19°C
|
+14°C
|
+16°C | 1 h | 4 | 80% | 3 — 4 m/s |
| 2020 |
+25°C
|
+19°C
|
+21°C | 8 h | 5 | 61% | 3 — 4 m/s |