Spain / Cartagena / 18 August

Weather in Cartagena on 18 August 2026

Preliminary outlook for 18 August 2026

A preliminary estimate based on the 2020–2025 archive: daytime around +31°C and nighttime around +25°C, average precipitation 0 mm, wind around 3 m/s, humidity around 63%.

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.

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Nearby days
19 August →
+31°C
Weather archive — latest year: 2025
Clear/Sunny
Weather archive — latest year: 2025
Nighttime: +27°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 51%
MetricValue MetricValue
Day temperature (max.) +34°C Sun hours 13 h
UV index 8 Cloud cover (avg.) 4%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +33°C Dew point (avg.) +19°C
Heat index (avg.) +33°C Wind chill (avg.) +31°C
Wind gusts (max.) 7 m/s Wind direction (avg.) 211° ↓ (SSW)
Sunrise
07:22
Duration
13 h 30 min
Sunset
20:52
Moonrise
01:27
Moonset
17:18
Moon phase
Last Quarter
Illumination
29%
+27°C
Weather archive — for 2024 year
Clear/Sunny
Weather archive — for 2024 year
Nighttime: +25°C Sea temperature: +29°C Precipitation: 0 mm Wind: 3 — 4 m/s
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 3%
Pressure (avg.) 758 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature +29°C
Feels like (avg.) +30°C Dew point (avg.) +20°C
Heat index (avg.) +30°C Wind chill (avg.) +28°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 180° ↓ (S)
Sunrise
07:22
Duration
13 h 30 min
Sunset
20:52
Moonrise
20:25
Moonset
05:22
Moon phase
Waxing Gibbous
Illumination
93%
+27°C
Weather archive — for 2023 year
Clear/Sunny
Weather archive — for 2023 year
Nighttime: +24°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 65%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 1%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +31°C Dew point (avg.) +20°C
Heat index (avg.) +31°C Wind chill (avg.) +29°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 222° ↘ (SE)
Sunrise
07:22
Duration
13 h 31 min
Sunset
20:53
Moonrise
09:23
Moonset
22:17
Moon phase
Waxing Crescent
Illumination
9%
+27°C
Weather archive — for 2022 year
Clear/Sunny
Weather archive — for 2022 year
Nighttime: +23°C Precipitation: 0 mm Wind: 4 — 5 m/s Humidity: 70%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 12 h
UV index 7 Cloud cover (avg.) 5%
Pressure (avg.) 759 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +30°C Dew point (avg.) +21°C
Heat index (avg.) +30°C Wind chill (avg.) +27°C
Wind gusts (max.) 9 m/s Wind direction (avg.) 90° ↗ (ENE)
Sunrise
07:22
Duration
13 h 31 min
Sunset
20:53
Moonrise
00:09
Moonset
14:19
Moon phase
Last Quarter
Illumination
54%
+25°C
Weather archive — for 2021 year
Clear/Sunny
Weather archive — for 2021 year
Nighttime: +24°C Precipitation: 0 mm Wind: 3 — 4 m/s Humidity: 74%
MetricValue MetricValue
Day temperature (max.) +27°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 28%
Pressure (avg.) 763 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.) +26°C
Wind gusts (max.) 8 m/s Wind direction (avg.) 83° → (ESE)
Sunrise
07:22
Duration
13 h 30 min
Sunset
20:52
Moonrise
17:44
Moonset
02:17
Moon phase
Waxing Gibbous
Illumination
69%
+27°C
Weather archive — for 2020 year
Clear/Sunny
Weather archive — for 2020 year
Nighttime: +25°C Precipitation: 0 mm Wind: 2 — 3 m/s Humidity: 52%
MetricValue MetricValue
Day temperature (max.) +31°C Sun hours 13 h
UV index 7 Cloud cover (avg.) 0%
Pressure (avg.) 760 mmHg Snow (total for the day) 0 cm
Visibility (avg.) 10 km Sea temperature
Feels like (avg.) +28°C Dew point (avg.) +18°C
Heat index (avg.) +28°C Wind chill (avg.) +27°C
Wind gusts (max.) 6 m/s Wind direction (avg.) 225° ↙ (SW)
Sunrise
07:22
Duration
13 h 30 min
Sunset
20:52
Moonrise
06:18
Moonset
20:51
Moon phase
New Moon
Illumination
0%

Weather in Cartagena on 18 August in previous years

Year Day Nighttime Average Sun UV Humidity Wind
2025 +34°C +27°C +31°C 13 h 8 51% 3 — 4 m/s
2024 +31°C +25°C +27°C 13 h 7 64% 3 — 4 m/s
2023 +31°C +24°C +27°C 13 h 7 65% 2 — 3 m/s
2022 +31°C +23°C +27°C 12 h 7 70% 4 — 5 m/s
2021 +27°C +24°C +25°C 13 h 7 74% 3 — 4 m/s
2020 +31°C +25°C +27°C 13 h 7 52% 2 — 3 m/s