Weather in Cologne on 17 August 2026
Preliminary outlook for 17 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +23°C and nighttime around +16°C, average precipitation 0.6 mm, wind around 2 m/s, humidity around 69%.
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.
+17°C
Weather archive — latest year: 2025
Cloudy
Weather archive — latest year: 2025
Nighttime: +13°C
Precipitation: 0 mm
Wind: 3 — 4 m/s
Humidity: 65%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +21°C | Sun hours | 13 h |
| UV index | 5 | Cloud cover (avg.) | 36% |
| Pressure (avg.) | 767 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +17°C | Dew point (avg.) | +10°C |
| Heat index (avg.) | +17°C | Wind chill (avg.) | +17°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 8° ↑ (N) |
Sunrise
06:23
Duration
14 h 26 min
Sunset
20:49
Moonrise
23:47
Moonset
16:39
Moon phase
Last Quarter
Illumination
37%
+21°C
Weather archive — for 2024 year
Overcast
Weather archive — for 2024 year
Nighttime: +18°C
Precipitation: 0.9 mm
Wind: 1 — 1 m/s
Humidity: 79%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 7 h |
| UV index | 5 | Cloud cover (avg.) | 94% |
| Pressure (avg.) | 761 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 8 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 4 m/s | Wind direction (avg.) | 262° ↙ (WSW) |
Sunrise
06:23
Duration
14 h 25 min
Sunset
20:48
Moonrise
20:14
Moonset
02:34
Moon phase
Waxing Gibbous
Illumination
86%
+21°C
Weather archive — for 2023 year
Cloudy
Weather archive — for 2023 year
Nighttime: +17°C
Precipitation: 0.1 mm
Wind: 1 — 3 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +25°C | Sun hours | 11 h |
| UV index | 5 | Cloud cover (avg.) | 65% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +22°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +22°C | Wind chill (avg.) | +21°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 65° ↘ (SSE) |
Sunrise
06:22
Duration
14 h 28 min
Sunset
20:50
Moonrise
07:25
Moonset
21:41
Moon phase
Waxing Crescent
Illumination
1%
+21°C
Weather archive — for 2022 year
Cloudy
Weather archive — for 2022 year
Nighttime: +19°C
Precipitation: 0 mm
Wind: 2 — 3 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +24°C | Sun hours | 9 h |
| UV index | 6 | Cloud cover (avg.) | 59% |
| 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.) | +24°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 202° ↑ (NNE) |
Sunrise
06:22
Duration
14 h 27 min
Sunset
20:49
Moonrise
23:07
Moonset
13:02
Moon phase
Waning Gibbous
Illumination
61%
+15°C
Weather archive — for 2021 year
Overcast
Weather archive — for 2021 year
Nighttime: +12°C
Precipitation: 0.5 mm
Wind: 4 — 4 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +18°C | Sun hours | 10 h |
| UV index | 4 | Cloud cover (avg.) | 71% |
| Pressure (avg.) | 764 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 9 km | Sea temperature | — |
| Feels like (avg.) | +14°C | Dew point (avg.) | +11°C |
| Heat index (avg.) | +15°C | Wind chill (avg.) | +14°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 289° ← (WNW) |
Sunrise
06:23
Duration
14 h 26 min
Sunset
20:49
Moonrise
16:55
Moonset
00:11
Moon phase
First Quarter
Illumination
61%
+22°C
Weather archive — for 2020 year
Cloudy
Weather archive — for 2020 year
Nighttime: +19°C
Precipitation: 2.2 mm
Wind: 2 — 2 m/s
Humidity: 64%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 6 h |
| UV index | 5 | Cloud cover (avg.) | 81% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +23°C | Dew point (avg.) | +16°C |
| Heat index (avg.) | +23°C | Wind chill (avg.) | +22°C |
| Wind gusts (max.) | 5 m/s | Wind direction (avg.) | 206° ↓ (SSW) |
Sunrise
06:23
Duration
14 h 25 min
Sunset
20:48
Moonrise
03:52
Moonset
20:26
Moon phase
Waning Crescent
Illumination
1%
Weather in Cologne on 17 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+21°C
|
+13°C
|
+17°C | 13 h | 5 | 65% | 3 — 4 m/s |
| 2024 |
+25°C
|
+18°C
|
+21°C | 7 h | 5 | 79% | 1 — 1 m/s |
| 2023 |
+25°C
|
+17°C
|
+21°C | 11 h | 5 | 71% | 1 — 3 m/s |
| 2022 |
+24°C
|
+19°C
|
+21°C | 9 h | 6 | 64% | 2 — 3 m/s |
| 2021 |
+18°C
|
+12°C
|
+15°C | 10 h | 4 | 71% | 4 — 4 m/s |
| 2020 |
+26°C
|
+19°C
|
+22°C | 6 h | 5 | 64% | 2 — 2 m/s |