Weather in Gebze on 18 August 2026
Preliminary outlook for 18 August 2026
A preliminary estimate based on the 2020–2025 archive: daytime around +29°C and nighttime around +23°C, average precipitation 0 mm, wind around 4 m/s, humidity around 65%.
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.
+24°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +23°C
Precipitation: 0 mm
Wind: 3 — 5 m/s
Humidity: 71%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +27°C | Sun hours | 11 h |
| UV index | 6 | Cloud cover (avg.) | 32% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +26°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +26°C | Wind chill (avg.) | +24°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 182° ← (WNW) |
Sunrise
06:15
Duration
13 h 41 min
Sunset
19:56
Moonrise
00:08
Moonset
16:24
Moon phase
Last Quarter
Illumination
29%
+25°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +22°C
Sea temperature: +25°C
Precipitation: 0 mm
Wind: 3 — 7 m/s
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +29°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 2% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | +25°C |
| Feels like (avg.) | +26°C | Dew point (avg.) | +18°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 126° ← (WNW) |
Sunrise
06:16
Duration
13 h 40 min
Sunset
19:56
Moonrise
19:30
Moonset
04:03
Moon phase
Waxing Gibbous
Illumination
93%
+26°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 6 — 8 m/s
Humidity: 68%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +31°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 9% |
| Pressure (avg.) | 758 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +28°C | Dew point (avg.) | +20°C |
| Heat index (avg.) | +28°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 15 m/s | Wind direction (avg.) | 66° ↗ (NE) |
Sunrise
06:15
Duration
13 h 42 min
Sunset
19:57
Moonrise
08:14
Moonset
21:15
Moon phase
Waxing Crescent
Illumination
9%
+28°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +24°C
Precipitation: 0 mm
Wind: 2 — 4 m/s
Humidity: 52%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +32°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 6% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +29°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +29°C | Wind chill (avg.) | +27°C |
| Wind gusts (max.) | 7 m/s | Wind direction (avg.) | 142° ← (WNW) |
Sunrise
06:15
Duration
13 h 41 min
Sunset
19:56
Moonrise
23:28
Moonset
13:19
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +22°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +30°C | Sun hours | 13 h |
| UV index | 7 | Cloud cover (avg.) | 0% |
| Pressure (avg.) | 756 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +27°C | Dew point (avg.) | +19°C |
| Heat index (avg.) | +27°C | Wind chill (avg.) | +25°C |
| Wind gusts (max.) | 9 m/s | Wind direction (avg.) | 57° ↑ (NNE) |
Sunrise
06:15
Duration
13 h 41 min
Sunset
19:56
Moonrise
16:48
Moonset
01:00
Moon phase
Waxing Gibbous
Illumination
69%
+23°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +20°C
Precipitation: 0 mm
Wind: 4 — 6 m/s
Humidity: 67%
| Metric | Value | Metric | Value |
|---|---|---|---|
| Day temperature (max.) | +26°C | Sun hours | 13 h |
| UV index | 6 | Cloud cover (avg.) | 23% |
| Pressure (avg.) | 757 mmHg | Snow (total for the day) | 0 cm |
| Visibility (avg.) | 10 km | Sea temperature | — |
| Feels like (avg.) | +25°C | Dew point (avg.) | +17°C |
| Heat index (avg.) | +25°C | Wind chill (avg.) | +23°C |
| Wind gusts (max.) | 11 m/s | Wind direction (avg.) | 51° ↑ (NNE) |
Sunrise
06:15
Duration
13 h 41 min
Sunset
19:56
Moonrise
05:02
Moonset
19:54
Moon phase
New Moon
Illumination
0%
Weather in Gebze on 18 August in previous years
| Year | Day | Nighttime | Average | Sun | UV | Humidity | Wind |
|---|---|---|---|---|---|---|---|
| 2025 |
+27°C
|
+23°C
|
+24°C | 11 h | 6 | 71% | 3 — 5 m/s |
| 2024 |
+29°C
|
+22°C
|
+25°C | 13 h | 6 | 67% | 3 — 7 m/s |
| 2023 |
+31°C
|
+24°C
|
+26°C | 13 h | 7 | 68% | 6 — 8 m/s |
| 2022 |
+32°C
|
+24°C
|
+28°C | 13 h | 7 | 52% | 2 — 4 m/s |
| 2021 |
+30°C
|
+22°C
|
+25°C | 13 h | 7 | 67% | 4 — 6 m/s |
| 2020 |
+26°C
|
+20°C
|
+23°C | 13 h | 6 | 67% | 4 — 6 m/s |